15 Best Heatsinks for RAM, Compared
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Finding the best heatsinks for RAM depends on your component layout, surface clearance, and thermal materials. The Alphacool 10 x 10mm Copper RAM Heatsinks lead the group by offering a pure copper build in a 10-piece pack sized for individual memory chips.
We compared 15 products using the specifications published on their listings, focusing on material composition, footprint dimensions, and thermal tape options. This guide helps you decide which heatsink footprint and material match your specific memory layout and vertical clearance requirements.
Quick picks
The best fit for you
- You need passive copper heatsinks for compact memory chips Alphacool 10 x 10mm Copper RAM Heatsinks Its pure copper build and ten-piece 10 by 10 millimeter sizing let you cover individual board components directly.
- You need dedicated cooling for laptop SODIMM memory bays Easycargo SODIMM Copper Memory Heatsink Its 0.91 by 2.48 inch copper design includes pre-applied thermal tape to help you fit tight laptop bays.
- You want multiple shim thicknesses for custom gap adjustments Easycargo 100-Piece 15mm Copper Shim Kit This 100-piece kit gives you twelve distinct thicknesses of C1100 copper to match varied gap clearances on RAM chips.
Our 15 picks
Alphacool 10 x 10mm Copper RAM Heatsinks
Best for: compact RAM modules and MOSFET cooling
- Compatible Device
- GPU, RAM (what this guide is about)
- Material
- Copper
- Cooling Method
- Passive
- Dimensions
- 10 x 10mm
- Weight
- 0.07 kilograms
The Alphacool 10 x 10mm Copper Heatsinks 10-Pack provides passive cooling components designed for RAM modules, GPU RAM, and MOSFETs. Each unit in this ten-pack features pure copper construction to pull heat away from memory surfaces without moving parts. With compact 10 x 10mm dimensions, they fit tight PCB layouts easily. This set suits you if you need small, individual copper heatsinks for direct placement on memory chips.
Pros
- Pure copper construction
- Passive cooling design requires no power
- Compact 10 x 10mm footprint
- Includes 10 heatsinks in the pack
Cons
- No thermal adhesive or tape listed in the package
- Fixed 10 x 10mm size may not fully cover larger RAM chips
Good fit if
- You need individual 10 x 10mm copper sinks for RAM or MOSFET chips.
- You prefer passive cooling with zero fan noise.
- You need to cover up to 10 separate memory points.
Skip if
- You require heatsinks larger than 10 x 10mm for wider surface contact.
- You need pre-applied thermal adhesive included in the box.
Verdict: Alphacool 10 x 10mm Copper Heatsinks 10-Pack delivers compact, passive copper cooling tailored for individual memory chips and MOSFETs. Its ten-piece count gives you sufficient units to cover multiple board components.
Alphacool 14 x 14mm Copper Heatsinks 10-Pack
Best for: individual 14 x 14mm RAM and Mosfet cooling
- Compatible Device
- GPU, RAM (what this guide is about)
- Material
- Copper
- Cooling Method
- Passive
- Dimensions
- 14 x 14mm
- Weight
- 3.84 ounces
View on Amazon: Alphacool 14 x 14mm Copper Heatsinks 10-Pack
You get a 10-pack of dedicated copper heatsinks designed for RAM modules and GPU memory. Each unit measures 14 by 14 millimeters, offering direct passive cooling for individual memory chips. Pure copper construction delivers high thermal conductivity without relying on moving parts or fans. This setup fits you if you need compact, individual cooling blocks to cover standard-sized memory chips or voltage regulator components on your board.
Pros
- Pure copper construction for passive heat dissipation
- 14 x 14mm dimensions fit individual RAM chips and Mosfets
- Includes 10 heatsinks in one pack
Cons
- No thermal adhesive or tape listed in the package specifications
- Fixed 14 x 14mm footprint cannot fit smaller surface-mount components
Good fit if
- You need passive copper heatsinks sized specifically for 14 x 14mm RAM modules.
- You want a 10-pack to cool multiple memory chips or Mosfets simultaneously.
Skip if
- You need heatsinks that include pre-applied thermal adhesive tape.
- You require smaller dimensions such as 10 x 10mm for tighter component spacing.
Verdict: Alphacool 14 x 14mm Copper RAM Heatsinks deliver dedicated passive copper cooling sized specifically for individual memory chips and Mosfets. They offer reliable heat dissipation across 10 components if your board layout matches the 14 x 14mm footprint.
Easycargo 15x15x0.5mm Copper Shims 20-Pack
Best for: low-profile laptop RAM and IC chip cooling
- Compatible Device
- GPU, Laptop, RAM (what this guide is about)
- Material
- Copper
- Cooling Method
- passive
- Dimensions
- 15x15x0.5mm
- Mounting Type
- Pre applied adhesive tape backing
- Features
- Thermal Tape
This pack provides 20 copper heatsink shims designed for passive cooling on RAM, laptop memory, and small IC chips. Each shim measures 15 by 15 millimeters with a flat 0.5-millimeter thickness to fit tight clearances. Every piece features pre-applied 3M 8810 thermal conductive adhesive tape backing, so you do not need separate mounting supplies. It suits you if you need low-profile copper cooling across several individual memory modules.
Pros
- Includes 20 pure copper heatsink shims
- Pre-applied 3M 8810 thermal conductive adhesive tape
- Slim 0.5 mm profile fits tight component clearances
- Pure copper material for passive thermal transfer
Cons
- Flat shim design lacks raised cooling fins
- Fixed 15x15 mm dimension provides no size variety
Good fit if
- You need thin 0.5 mm copper shims to fit inside tight laptop memory slots.
- You want pre-applied 3M 8810 adhesive backing without buying separate thermal tape.
- You have multiple RAM or IC chips matching the 15 by 15 mm footprint.
Skip if
- You need tall raised fins for higher passive surface area.
- You require an assortment of different shim thicknesses or dimensions.
Verdict: Easycargo 15x15mm Copper Heatsink Pads give you 20 slim copper shims ready to mount directly onto memory modules. Their pre-applied 3M 8810 adhesive simplifies installation when vertical clearance is strictly limited.
Easycargo 100-Piece 15mm Copper Shim Kit
Best for: custom-clearance M.2 SSD and RAM cooling
- Compatible Device
- GPU, Laptop, RAM, PS5, M.2 SSD, VRM (what this guide is about)
- Material
- Copper C1100
- Length
- 0.6 inches
- Width
- 0.6 inches
This kit provides 100 pure C1100 copper shims designed to bridge thermal gaps on components like RAM and M.2 NVMe SSDs. Each shim measures 15mm by 15mm, offering 401 W/mK thermal conductivity across 12 different thicknesses ranging from 0.1mm to 2mm. You will find it well suited if you need exact clearance matching for tight memory modules, laptop graphics chips, or solid-state drives.
Pros
- Pure C1100 copper construction with 401 W/mK thermal conductivity
- Contains 100 pieces spanning 12 distinct thicknesses from 0.1mm to 2mm
- Low-profile 15mm by 15mm square size fits RAM chips and M.2 SSDs
- Offered in options with or without pre-applied adhesive
Cons
- Includes only 3 pieces of the thickest 2mm size
- Fixed 15mm by 15mm footprint cannot be adjusted for larger chip surfaces
Good fit if
- You need exact thermal gap sizing between 0.1mm and 2mm for RAM or SSDs.
- You want high-conductivity C1100 copper plates to fit tight low-profile clearances.
- You need an assortment of 100 shims to handle multiple hardware installations.
Skip if
- You require full-length heatsinks rather than individual 15mm copper shims.
- You need more than three 2mm shims for your cooling project.
Verdict: Easycargo 15mm Copper Pad Shim Kit delivers versatile gap-filling options with 12 distinct thicknesses and high-conductivity C1100 copper. It is an ideal pick if you need precise thermal contact across M.2 SSDs and RAM chips.
Easycargo SODIMM Copper Memory Heatsink
Best for: laptop and mini-PC SODIMM RAM cooling
- Compatible Device
- Laptop, RAM (what this guide is about)
- Material
- Copper
- Dimensions
- 63mmx23mmx0.5mm
- Mounting Type
- Pre-applied adhesive tape
- Features
- Thermal Tape
- Length
- 2.48 inches
The Easycargo Copper SODIMM RAM Heatsink gives you a low-profile cooling solution sized specifically for laptop memory modules. Each copper plate measures 63mm by 23mm with a slim 0.5mm thickness, allowing it to fit tight notebook RAM bays without physical clearance issues. It weighs 5 grams and mounts directly to SODIMM modules using pre-applied 3M 8810 thermal conductive adhesive tape. You will appreciate the direct fit if you upgrade compact laptop or mini-PC memory.
Pros
- Pure copper construction provides high thermal conductivity
- Ultra-thin 0.5mm profile fits restricted laptop compartments
- Pre-applied 3M 8810 thermal adhesive tape simplifies installation
- Sized at 63mm by 23mm to match SODIMM module layouts
Cons
- Flat 0.5mm plate lacks raised fins for expanded surface area
- Fixed 63mm by 23mm dimensions will not cover standard desktop DIMM slots
Good fit if
- You need a low-clearance copper cooler for SODIMM memory in a notebook or mini-PC.
- You prefer pre-applied thermal tape over separate paste or pads.
Skip if
- You need heatsinks sized for standard full-length desktop DIMM RAM.
- You require tall heatsinks with large fins for maximum dissipation area.
Verdict: Easycargo Copper SODIMM RAM Heatsink delivers an ultra-slim 0.5mm copper profile designed precisely for space-constrained laptop memory bays. It provides a simple, direct-fit cooling addition using pre-applied adhesive tape.
Easycargo 124-Piece Multi-Size Aluminum and Copper Kit
Best for: multi-chip RAM projects requiring varied heatsink sizes
- Compatible Device
- GPU, Laptop, RAM, PS5, VRM, Raspberry Pi (what this guide is about)
- Material
- Aluminum and Copper
- Mounting Type
- Pre-applied 3M 8810 adhesive tape
- Features
- Thermal Tape
- Length
- 0.56 inches
- Width
- 0.56 inches
View on Amazon: Easycargo 124-Piece Multi-Size Aluminum and Copper Kit
This assortment kit includes 124 heatsinks across nine different sizes, combining anodized aluminum blocks with thin copper shims. Each piece features pre-applied 3M 8810 thermal conductive adhesive tape for direct mounting onto RAM modules and small IC chips. You get multiple footprint options ranging from 9 by 9 millimeters up to 15 by 15 millimeters. It suits users who need various low-profile cooling options for memory components and tight clearances.
Pros
- Includes 124 pieces across nine distinct dimensions
- Pre-applied 3M 8810 thermal conductive adhesive tape
- Offers heights from 0.5 mm copper shims up to 8 mm aluminum fins
- Features anodized aluminum in black, green, and silvertone finishes
Cons
- Only 20 of the 124 pieces are copper
- No mechanical mounting clips included
Good fit if
- You need multiple heatsink dimensions to fit various memory chips
- You prefer pre-applied thermal adhesive tape for peel-and-stick installation
- You have low-clearance areas that require profiles as low as 0.5 mm
Skip if
- You require an all-copper setup for your memory modules
- You prefer mechanical spring clips over thermal adhesive tape
Verdict: Easycargo 124-Piece Aluminum and Copper Heatsink Kit provides extensive sizing variety and pre-applied adhesive tape for multi-chip memory cooling. It delivers practical aluminum and copper options for setups requiring diverse low-profile dimensions.
Easycargo 20mm Copper Pad Shim Kit
Best for: custom-gap RAM and VRAM thermal bridging
- Compatible Device
- GPU, RAM, PS5, VRM (what this guide is about)
- Material
- Pure Copper C1100
- Dimensions
- 20mm x 20mm
- Weight
- 4.66 ounces
This kit provides 40 low-profile C1100 pure copper shims measuring 20mm by 20mm. It includes six thicknesses ranging from 0.3mm to 1.5mm to bridge thermal gaps. The copper delivers a 401W/mK thermal conductivity rating. You will find this assortment useful if you need to match specific clearance heights between RAM or VRAM modules and existing heatsinks across laptops, desktop components, or small electronics.
Pros
- Pure C1100 copper construction with 401W/mK thermal conductivity
- Includes 40 pieces across six distinct thicknesses
- Thickness options range from 0.3mm up to 1.5mm
- 20mm by 20mm footprint covers standard RAM and memory packages
Cons
- No thermal adhesive or tape included in the kit
- Flat shim design lacks cooling fins for standalone airflow dissipation
Good fit if
- You need to bridge specific gap distances between 0.3mm and 1.5mm on RAM chips.
- You require high thermal conductivity material rated at 401W/mK.
- You service multiple hardware projects that require varied shim thicknesses.
Skip if
- You require pre-applied thermal adhesive for immediate installation.
- You need finned heatsinks rather than flat interface shims.
Verdict: Easycargo 20mm Copper Pad Shim 40-Piece Kit delivers pure C1100 copper gap-filling versatility across six distinct thicknesses. It provides high thermal conductivity for custom clearances between memory chips and primary heat spreaders.
Easycargo 14mm Copper Heatsink 10-Pack
Best for: cooling individual RAM and VRAM chips
- Compatible Device
- GPU, RAM (what this guide is about)
- Material
- Copper
- Dimensions
- 14mmx12mmx5mm
- Mounting Type
- Thermal Conductive Adhesive Tape
This Easycargo set includes 10 copper heatsinks designed for cooling individual memory modules, VRAM, and compact PC components. Each heatsink measures 14mm by 12mm by 5mm and weighs 4.92 grams. You attach them directly to your hardware using the included thermal conductive adhesive tape. If you need low-profile copper cooling for separate memory chips inside tight desktop or laptop spaces without complex mounting brackets, this kit provides a direct solution.
Pros
- Solid copper construction
- Compact 14mm x 12mm x 5mm footprint
- Includes thermal conductive adhesive tape
- Pack of 10 heatsinks for multiple chips
Cons
- Fixed dimensions provide only one heatsink size
- 5mm profile requires adequate vertical clearance
Good fit if
- You need individual copper heatsinks for 14mm x 12mm memory chips.
- You want thermal conductive tape included for mounting.
- You are cooling discrete RAM or VRAM components on laptops, GPUs, or boards.
Skip if
- You need full-length heat spreaders for standard desktop DIMM modules.
- You have less than 5mm of vertical clearance above the chips.
Verdict: Easycargo 14mm Copper Heatsinks (10-Pack) delivers compact copper cooling paired with adhesive tape for individual memory chips. It offers a practical solution when you need dedicated thermal coverage on discrete components.
GeeekPi 102-Piece Aluminum and Copper Heatsink Kit
Best for: mixed-size RAM and component cooling projects
- Compatible Device
- GPU, Laptop, RAM, VRM, Raspberry Pi (what this guide is about)
- Material
- Aluminum, Copper
- Mounting Type
- Thermal conductive adhesive tape
- Dimensions
- 1.57 × 1.57 × 0.43 inches
- Weight
- 7.83 ounces
View on Amazon: GeeekPi 102-Piece Aluminum and Copper Heatsink Kit
This kit provides 102 heatsinks sorted into 17 categories inside a dedicated storage box. You get 92 aluminum heatsinks and 10 copper heatsinks, each paired with thermal conductive adhesive tape for direct mounting onto RAM chips, VRMs, or laptop memory modules. It suits you if you need a wide variety of heatsink shapes and materials to fit different component clearances across your hardware builds.
Pros
- Includes 102 pieces divided across 17 distinct categories
- Features both aluminum (92 pieces) and copper (10 pieces) heatsinks
- Uses thermal conductive adhesive tape for direct application
- Comes with an organized storage box
Cons
- Contains only 10 copper heatsinks compared to 92 aluminum units
- Relies entirely on adhesive tape mounting without mechanical clips
Good fit if
- You need a large assortment of sizes to fit mixed memory and board components.
- You prefer thermal conductive tape for direct, tool-free mounting.
- You want an organized storage box for spare cooling parts across multiple builds.
Skip if
- You require an all-copper setup for every RAM chip.
- You prefer mechanical mounting brackets over adhesive tape attachment.
Verdict: GeeekPi 102-Piece Aluminum and Copper Heatsink Kit delivers extensive sizing options and tape-based mounting for RAM and board components. Its 17 partitioned categories make finding the right dimension straightforward for custom cooling tasks.
Bopaodao 120mm Flat Copper Heat Pipe
Best for: ultra-low-profile custom RAM heat transfer
- Compatible Device
- GPU, Laptop, RAM (what this guide is about)
- Material
- 99% pure copper
- Cooling Method
- Passive
- Dimensions
- 2mm x 5.5mm x 120mm
The Bopaodao Flat Heat Pipe is a passive cooling component made of 99% pure copper. Measuring 2mm thick, 5.5mm wide, and 120mm long, it channels heat away from tightly spaced components like RAM modules and laptop electronics. You can integrate this slim pipe into custom DIY thermal setups where standard finned heatsinks do not fit. It suits you if you need a low-profile conductive bridge between memory chips and a secondary radiator.
Pros
- Constructed from 99% pure copper for thermal conductivity
- Slim 2mm thickness fits inside tight component clearances
- 120mm length spans across memory chips to route heat away
- Custom bending and flattening processing is offered on request
Cons
- Includes only a single heat pipe per package
- Does not include thermal tape, paste, or mounting clips
- Carries manufacturing tolerances of 0.2mm thickness and 0.5mm length
Good fit if
- You need an ultra-low 2mm profile to route heat away from RAM in cramped cases
- You are building a custom DIY cooling setup for a compact PC or laptop
- You want 99% pure copper to bridge memory chips directly to a radiator
Skip if
- You prefer an all-in-one heatsink that includes pre-applied thermal adhesive
- You need multiple pre-cut heatsinks to cover several standalone RAM modules
Verdict: Bopaodao 120mm Flat Copper Heat Pipe provides a pure copper, ultra-slim passive thermal solution for tightly packed memory modules. It is an effective choice when clearance limits prevent you from mounting standard finned heat spreaders.
Bopaodao 5mm x 90mm Copper Heat Pipe
Best for: custom RAM heat transfer in compact systems
- Compatible Device
- GPU, Laptop, RAM (what this guide is about)
- Material
- Copper, thermal fluid
- Cooling Method
- Passive
- Dimensions
- 5mm x 90mm
The Bopaodao 5mm x 90mm Copper Heat Pipe is a passive thermal tube designed for transferring heat away from RAM, VRAM, and processors. It features a copper exterior filled with thermal fluid to move heat from components to a heatsink. Measuring 5mm in diameter and 90mm in length, this round rod fits compact builds. It suits you if you need to bridge heat across tight spaces to an existing cooling assembly.
Pros
- Filled with internal thermal fluid for rapid heat transfer
- Constructed from thermally conductive copper
- Passive design enables silent heat transfer
- Compact 5mm diameter and 90mm length fits tight clearances
Cons
- Includes only a single heat pipe per pack
- Requires connection to a secondary radiator or heatsink to dissipate heat
- Round shape provides less direct surface contact than flat pads
Good fit if
- You need a 5mm round copper heat pipe to route thermal energy away from your RAM.
- You already have a primary heatsink or radiator to mount onto the dissipation end.
Skip if
- You want pre-applied thermal adhesive tape included with your cooling solution.
- You prefer flat finned heatsinks that mount directly on top of individual memory modules.
Verdict: Bopaodao 5mm x 90mm Copper Heat Pipe provides passive fluid-based thermal transfer across tight gaps. It works best when linked directly between your RAM components and a larger secondary cooling radiator.
iUniker 10-Piece Copper Heatsink Kit
Best for: cooling small board-mounted RAM chips
- Compatible Device
- RAM, Raspberry Pi (what this guide is about)
- Material
- 99.9% pure copper
- Mounting Type
- Thermal Conductive Adhesive Tape
- Dimensions
- 2 × 1 × 3 inches
- Weight
- 1.06 ounces
This iUniker set includes ten heatsinks made from 99.9% pure copper, designed to fit components like RAM and processors. It provides five specific sizes, ranging from 5x5x5mm up to 17x17x5mm, matching compact memory chips and circuit elements. Each piece uses pre-applied thermal adhesive tape rated at 15W/m·K for direct attachment. You get targeted cooling for individual board-mounted RAM chips without requiring custom mounting brackets.
Pros
- Made from 99.9% pure copper for heat dissipation
- Pre-applied thermal adhesive tape rated at 15W/m·K
- Ten-piece kit with five distinct sizes down to 5x5x5mm
Cons
- Maximum footprint of 17x17mm does not cover standard desktop DIMM modules
- Uses adhesive tape rather than mechanical clip mounts
Good fit if
- You need small individual copper heatsinks for board-level RAM chips.
- You want high-conductivity 15W/m·K adhesive tape for tool-free installation.
- You require multiple compact sizes between 5x5mm and 17x17mm.
Skip if
- You need full-coverage heat spreaders for full-size desktop DDR memory sticks.
- You prefer screw-down or spring-clip mounting mechanisms.
Verdict: iUniker 10-Piece Copper Heatsink Set provides 99.9% pure copper cooling with 15W/m·K adhesive tape for board-level RAM. It delivers direct heat dissipation across five compact footprints without requiring mechanical mounting brackets.
GAVATKLKCP 50x50x15mm Copper Skiving Fin Heatsink
Best for: 50x50mm electronic RAM chip cooling
- Compatible Device
- RAM (what this guide is about)
- Material
- Pure Copper
- Dimensions
- 50x50x15mm
View on Amazon: GAVATKLKCP 50x50x15mm Copper Skiving Fin Heatsink
This GAVATKLKCP cooler is a pure copper heatsink built for electronic RAM chips, LEDs, and IC components. It features a skiving fin radiator design and measures 50x50x15mm, offering direct solid-metal coverage. If you need a dense copper heatsink for memory modules or board components, this unit provides high thermal conductivity in a single compact block. You get a lightweight, wear-resistant solution engineered specifically for component cooling across electronic setups.
Pros
- Pure copper construction for high thermal conductivity
- 50x50x15mm skiving fin radiator design
- Lightweight build designed for easy installation
- Wear-resistant exterior finish
Cons
- No thermal adhesive or tape listed in the package
- Fixed 50x50mm footprint does not fit smaller single RAM chips without overhang
- Single-unit item rather than a multi-piece kit
Good fit if
- You need a pure copper heatsink measuring 50x50x15mm.
- You want skiving fin cooling for RAM chips, ICs, or MOS components.
Skip if
- You require pre-applied thermal adhesive or included mounting tape.
- You need multiple smaller heatsinks to cover separated individual chips.
Verdict: GAVATKLKCP 50x50x15mm Copper Skiving Fin Heatsink delivers pure copper cooling and dense skiving fins for electronic RAM and IC chips. It gives you a solid, standalone thermal solution when you have space for a 50x50mm footprint.
GAVATKLKCP 100x50x15mm Copper Skiving Heatsink
Best for: large-area RAM chip and electronics cooling
- Compatible Device
- RAM (what this guide is about)
- Material
- Pure Copper
- Dimensions
- 100x50x15mm
View on Amazon: GAVATKLKCP 100x50x15mm Copper Skiving Heatsink
This GAVATKLKCP unit is a pure copper heatsink measuring 100x50x15mm, featuring a skiving fin radiator structure designed to cool RAM chips, VGA units, and LEDs. Its solid copper build provides high thermal conductivity for component heat transfer. The 100mm length and 50mm width offer large surface coverage, making it suitable if you need to cover multiple memory modules or broader circuit board areas with a single 15mm-tall passive copper block.
Pros
- Pure copper construction for high thermal conductivity
- Large 100x50x15mm surface footprint
- Skiving fin design for heat dissipation
- Compatible with RAM chips, LEDs, and VGA hardware
Cons
- No pre-applied thermal adhesive or tape listed
- 15mm height may interfere with tight clearance spaces
- Single-piece block cannot be split for separated RAM chips
Good fit if
- You need a large 100x50mm footprint to cover RAM chips.
- You want a pure copper heatsink with a 15mm skiving fin profile.
- You have vertical clearance for a 15mm heatsink height.
Skip if
- You require pre-applied thermal tape or adhesive in the package.
- You need small individual heatsinks for isolated RAM modules.
- You have less than 15mm of vertical installation clearance.
Verdict: GAVATKLKCP 100x50x15mm Pure Copper Heatsink provides extensive pure copper surface area with a skiving fin structure for cooling RAM chips and electronics. Its substantial 100x50mm footprint makes it ideal when you need broad single-block coverage.
XYHTPP 100x40x10mm Copper Skiving Fin Heatsink
Best for: low-profile wide-area copper memory cooling
- Compatible Device
- RAM (what this guide is about)
- Material
- Copper
- Dimensions
- 100x40x10mm
View on Amazon: XYHTPP 100x40x10mm Copper Skiving Fin Heatsink
This XYHTPP heatsink is a solid copper radiator designed for cooling components like RAM, CPUs, and GPUs. It measures 100x40x10mm and features a skiving fin structure that increases surface area for heat dissipation. You can also find it in an alternate 40x40x10mm size. It suits you if you need a wide copper block for cooling inline RAM modules or multiple chips within compact vertical clearance limits.
Pros
- Pure copper construction for high thermal conductivity
- Skiving fin design maximizes surface area for heat dissipation
- Low 10mm profile fits into tight vertical clearances
- Offered in 100x40x10mm and 40x40x10mm size options
Cons
- No pre-applied thermal adhesive or thermal pads listed in the specifications
- Single-block design does not cover separated, individual RAM chips
Good fit if
- You need a continuous 100x40mm copper base to span across RAM or electronic chips.
- You require a low-profile 10mm heatsink height for restricted enclosure spaces.
- You already have your own thermal tape, paste, or mounting setup.
Skip if
- You need ready-to-stick heatsinks with pre-applied thermal adhesive tape.
- You want small, individual square heatsinks tailored to isolated RAM ICs.
Verdict: XYHTPP 100x40x10mm Copper Skiving Fin Heatsink provides a dense copper fin array in a low 10mm profile for cooling RAM and electronic components. It offers solid thermal mass and surface area if you provide your own thermal interface material.
Specifications side by side
| Spec | Alphacool 10 x 10mm Copper RAM Heatsinks | Alphacool 14 x 14mm Copper Heatsinks 10-Pack | Easycargo 15x15x0.5mm Copper Shims 20-Pack | Easycargo 100-Piece 15mm Copper Shim Kit | Easycargo SODIMM Copper Memory Heatsink | Easycargo 124-Piece Multi-Size Aluminum and Copper Kit | Easycargo 20mm Copper Pad Shim Kit | Easycargo 14mm Copper Heatsink 10-Pack | GeeekPi 102-Piece Aluminum and Copper Heatsink Kit | Bopaodao 120mm Flat Copper Heat Pipe | Bopaodao 5mm x 90mm Copper Heat Pipe | iUniker 10-Piece Copper Heatsink Kit | GAVATKLKCP 50x50x15mm Copper Skiving Fin Heatsink | GAVATKLKCP 100x50x15mm Copper Skiving Heatsink | XYHTPP 100x40x10mm Copper Skiving Fin Heatsink |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | Copper | Copper | Copper | Copper C1100 | Copper | Aluminum and Copper | Pure Copper C1100 | Copper | Aluminum, Copper | 99% pure copper | Copper, thermal fluid | 99.9% pure copper | Pure Copper | Pure Copper | Copper |
| Cooling Method | Passive | Passive | passive | not specified | not specified | not specified | not specified | not specified | not specified | Passive | Passive | not specified | not specified | not specified | not specified |
| Compatible Device | GPU RAM, Mosfests, RAM modules | GPU RAM, Mosfests, RAM modules | Laptop GPU CPU IC Chips VGA RAM | PC, Laptop GPU, CPU, M.2 NVMe SSD | Laptop Notebook SODIMM RAM | Raspberry Pi 4, M.2 SSD, PS5 | CPU, GPU, VGA, RAM, VRM, PS5 SSD | PC components, GPU, VRAM, CPU, Laptop | Raspberry Pi, CPU, GPU, Laptop | Laptop, CPU, GPU, mobile phone | Laptop, PC, GPU, CPU, VRAM, RAM | Raspberry Pi 5 | Electronic RAM Chip LED IC MOS | RAM Chip, LED, VGA | CPUs, GPUs |
| Dimensions | 10 x 10mm | 14 x 14mm | 15x15x0.5mm | not specified | 63mmx23mmx0.5mm | not specified | 20mm x 20mm | 14mmx12mmx5mm | not specified | 2mm x 5.5mm x 120mm | 5mm x 90mm | not specified | 50x50x15mm | 100x50x15mm | 100x40x10mm |
| Mounting Type | not specified | not specified | Pre applied adhesive tape backing | not specified | Pre-applied adhesive tape | Pre-applied 3M 8810 adhesive tape | not specified | Thermal Conductive Adhesive Tape | Thermal conductive adhesive tape | not specified | not specified | Thermal Conductive Adhesive Tape | not specified | not specified | not specified |
| Features | not specified | not specified | Thermal Tape | not specified | Thermal Tape | Thermal Tape | not specified | Thermal Tape | Thermal Tape | not specified | not specified | not specified | not specified | not specified | not specified |
| Weight | 0.07 kilograms | 3.84 ounces | not specified | not specified | not specified | 5.93 ounces | 4.66 ounces | not specified | 7.83 ounces | not specified | not specified | 1.06 ounces | not specified | not specified | not specified |
| Length | not specified | not specified | 0.59 inches | 0.6 inches | 2.48 inches | 0.56 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Width | not specified | not specified | 0.59 inches | 0.6 inches | 0.91 inches | 0.56 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Color | Copper | DE-223 | Copper Tone | Copper | not specified | not specified | not specified | Copper | not specified | W: 5.5mm T: 2mm | L: 90mm | not specified | One Color | One Color | One Color |
| Model | 17426 | 17427 | NA | ES-C100-1515 | 6323-05-8810 | 124-HK | 2020XXC40 | 141205C10 | not specified | not specified | not specified | not specified | GAVATKLKCP | GAVATKLKCP | XYHTPP |
| Size | not specified | not specified | 15x15x0.5mm | not specified | not specified | not specified | not specified | not specified | not specified | L: 120mm | D: 5mm | not specified | One Size | One Size | 100x40x10mm |
If you need module height specifications before mounting a cooler, compare the best ddr5 RAMs with CL40 to verify clearance for your setup.
How to Choose RAM Cooling Heatsinks
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Choose Between Copper and Aluminum
Check the material specifications before purchasing. Pure copper provides higher thermal conductivity for concentrated heat sources like high-speed memory chips. Aluminum offers lighter weight and often comes in mixed assortments. If your project includes diverse components across GPUs, RAM, or VRMs, consider mixed kits. The Easycargo 124-Piece Multi-Size Aluminum and Copper Kit combines both materials in one set. Choose copper when you need maximum thermal transfer per square millimeter. Choose aluminum when you want lightweight heatsinks across multiple secondary components.
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Check Thermal Interface Tape Specs
Examine how the heatsink secures to your memory module. Many compact heatsinks rely on pre-applied thermal adhesive tape rather than mechanical mounting brackets. Look at the tape specifications to ensure adequate thermal transfer and hold. For example, the iUniker 10-Piece Copper Heatsink Kit includes adhesive tape rated at 15W/m·K for direct mounting onto board-level chips. If a heatsink does not list pre-applied tape, you must supply your own thermal compound or pads to bridge the connection.
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Account for Variable Clearance Gaps
Measure the physical distance between your RAM chips and secondary coolers. Fixed-thickness metal shims require precise measurements to avoid putting mechanical pressure on memory modules. If your hardware features uneven gaps or varying heights across board components, pliable thermal interface materials work better. Thermal Grizzly TG Putty Pro 100g accommodates gaps between 0.2 and 3.0 mm without mechanical stress. Choose flexible putty when your heatsink surfaces do not sit completely flat against your memory chips.
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Evaluate Skiving Fins Versus Shims
Inspect your available vertical height before choosing a heatsink style. Flat shims provide minimal height clearance, making them ideal when secondary coolers mount directly above memory. Finned heatsinks increase the surface area exposed to ambient airflow. The GAVATKLKCP 50x50x15mm Copper Skiving Fin Heatsink uses dense skiving fins standing 15 millimeters tall to dissipate heat from electronic memory chips. Select finned designs if your system provides vertical clearance and direct fan airflow. Stick with flat shims if vertical clearance is strictly restricted.
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Use Heat Pipes for Clearance
Consider copper heat pipes when clearance above memory modules is too tight for traditional heatsink blocks. Heat pipes transport thermal energy laterally away from components toward areas with better airflow or larger radiators. The Bopaodao 120mm Flat Copper Heat Pipe measures 2 millimeters thick and 5.5 millimeters wide, allowing installation in tight hardware channels. Choose a flat heat pipe if you need passive fluid-based cooling that routes heat away from your RAM without requiring tall surface fins.
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Select Multi Thickness Shim Kits
Review the thickness variety in shim kits if you are bridging custom gaps. Different motherboards, graphics cards, and memory modules feature varying chip heights. Using a shim that is too thick can warp your board, while a thin shim leaves an air gap. The Easycargo 100-Piece 15mm Copper Shim Kit provides 12 distinct thicknesses in C1100 copper to match exact tolerances. Choose multi-thickness kits when you must test several gap heights before achieving flush thermal contact.
Frequently asked questions
How do you install heatsinks on individual RAM chips?
You attach them directly to the chip surface using pre-applied thermal adhesive tape or thermal pads. Options like the Easycargo 14mm Copper Heatsinks or iUniker 10-Piece Copper Heatsink Kit include adhesive tape to secure each unit without clips. This interface transfers heat from the memory die to the metal body while keeping the heatsink mechanically stable on the module surface.
What is the difference between RAM copper shims and finned heatsinks?
Copper shims fill flat gaps under primary spreaders, while finned heatsinks rely on ambient airflow to dissipate heat directly. Flat shims, such as the Easycargo 20mm Copper Pad Shim Kit, offer flat metal plates in varying thicknesses to bridge spacing between chips and existing cooling plates. In contrast, finned blocks like the GAVATKLKCP 50x50x15mm Copper Skiving Fin Heatsink use tall surface fins to release heat directly into the chassis air.
Can you use thermal putty instead of thermal pads on RAM?
Yes, you can use thermal putty to bridge uneven gaps between RAM chips and heat spreaders. Materials like Thermal Grizzly TG Putty Pro conform to hardware tolerances ranging from 0.2 mm to 3.0 mm. Putty compresses under mounting pressure without exerting excessive force on soldered surface-mount pins, which helps maintain consistent contact across modules with variable component heights or during custom cooler retrofits.
How do copper heat pipes work for cooling RAM?
Copper heat pipes use passive internal fluid phase changes to transport thermal energy away from tight spaces. A component like the Bopaodao 120mm Flat Copper Heat Pipe or the 5mm x 90mm Copper Heat Pipe absorbs heat at the memory contact zone, evaporating internal working fluid. The vapor travels to the cooler end to condense and dissipate heat, allowing thermal transfer to secondary chassis zones where standard finned blocks cannot physically fit.
What size heatsink do you need for a 14x14mm RAM chip?
You should choose a heatsink matching the 14 x 14 mm surface footprint of your component. Products like the Alphacool 14 x 14mm Copper Heatsinks provide dedicated dimensions designed specifically for square 14 mm memory packages. Matching the heatsink footprint prevents the metal overhang from shorting adjacent surface-mount pins while ensuring complete surface contact over the integrated circuit's heat-generating die area.
Are multi-size heatsink kits useful for custom RAM projects?
Yes, multi-size kits are practical when a board features varying component heights or mixed package sizes. Sets such as the GeeekPi 102-Piece Kit provide 17 partitioned size categories, and the Easycargo 124-Piece Kit combines aluminum and copper components. Having varied footprints and material properties on hand ensures you can cover standard memory chips, smaller power phases, and surrounding controllers from a single hardware assortment.
Why is pure C1100 copper used in RAM cooling shims?
Manufacturers use C1100 pure copper because of its exceptionally high thermal conductivity compared to standard alloys. In dense thermal interfaces, such as the Easycargo 100-Piece 15mm Copper Shim Kit, C1100 copper rapidly draws thermal loads away from memory modules. This grade minimizes thermal resistance across tight clearances, making it an efficient conductor when filling gaps between surface-mounted memory dies and larger auxiliary heat sinks.