Raxmolo Heatsink 40x40x11mm Pure Copper Alternatives: 6 Similar Picks Compared

How these alternatives compare

Intel Socket 478 Copper Core CPU Cooler

The Intel Socket 478 Copper Core CPU Cooler differs significantly by including an integrated fan. The original Raxmolo block requires you to supply your own airflow, making it a passive solution. This Intel unit is designed for legacy Pentium 4 systems using Socket 478. It is not suitable for modern desktops or CPUs. You should pick this if you are maintaining a vintage build and need a complete, ready-to-install cooling assembly. The original is better for compact, custom airflow setups where space is tight but you have fans available. This Intel cooler lacks the pure copper block focus for general compact cooling, serving a specific historical niche instead.

Dynatron Copper LGA1156 Blower Heatsink

The Dynatron Copper LGA1156 Blower Heatsink includes a fan and is built for legacy Intel desktops. It supports LGA 1156 sockets, targeting older i5 or i7 processors. The original Raxmolo heatsink is a bare copper block without a fan, requiring external airflow. This Dynatron unit measures 3.21 inches wide and 1.12 inches high, offering a specific form factor for older cases. You should choose this if you need a functional replacement for an outdated system. The original is superior for modern, compact builds where you manage airflow separately. This alternative gives up versatility for a specific legacy socket compatibility and includes the necessary fan for immediate operation.

Dynatron 1U Active Copper Heatsink

The Dynatron 1U Active Copper Heatsink is designed for tight spaces in older LGA1156 systems. It includes a fan and supports LGA 1155 and LGA 1156 sockets. The original Raxmolo heatsink is a passive copper block that relies on your case fans for cooling. This Dynatron unit is larger, measuring 5 inches wide and 2.5 inches high, and weighs 15.2 ounces. It is not intended for modern desktops. You should pick this if you are working with an old low-profile build and need a complete cooling solution. The original is better for new, compact projects where you want to control airflow independently. This alternative provides a ready-to-use assembly for vintage hardware maintenance.

NEW Games Order PS3 Copper Heatsink Shims

The NEW Games Order PS3 Copper Heatsink Shims are specialized repair kits for PlayStation 3 consoles. They are not CPU coolers but are used to fix overheating or YLOD issues by filling gaps between the chip and heatsink. The original Raxmolo heatsink is a 40x40mm copper block for computer CPUs. This shim set is for GPU thermal management in gaming consoles. You should choose this if you are repairing a PS3 Fat or Slim unit. The original is far better for general computer cooling needs. This alternative lacks the structural design for CPU mounting and serves a completely different device category. It is a gap-filling tool rather than a primary heat dissipation block.

Dynatron 1U Copper Blower Heatsink

The Dynatron 1U Copper Blower Heatsink is built for narrow ILM LGA 2011 server builds. It is a 1U height component designed for 95W CPUs in tight spaces. The original Raxmolo heatsink is a passive block for compact consumer builds. This Dynatron unit includes a blower fan and measures 3.15 inches wide and 1.1 inches high. It is not for standard desktops. You should pick this if you are working with specialized server hardware requiring LGA 2011 support. The original is more versatile for general compact cooling where you supply your own fans. This alternative offers reliable cooling for specific server constraints but lacks the flexibility for modern desktop applications.

JIUWU 15x15x0.8mm Copper Heatsink Shims

The JIUWU 15x15x0.8mm Copper Heatsink Shims are small copper pads for laptop thermal management. They replace or shim GPU and CPU pads in tight spaces. The original Raxmolo heatsink is a large 40x40mm block for computer CPUs. This JIUWU pack is for laptops and consists of tiny 15mm shims. You should choose this if you need to improve thermal contact in a laptop. The original is better for desktop CPU cooling. This alternative is not a heatsink in the traditional sense but a gap-filling material. It lacks the surface area and mounting structure for a CPU block, serving a niche repair role for mobile devices instead.

Quick picks

Our 7 picks

1 Best overall

Raxmolo 40x40x11mm Pure Copper Heatsink

Best for: compact pure copper cooling needs

Material

Copper

Dimensions

40x40x11mm

Weight

2.15 ounces

View on Amazon: Raxmolo 40x40x11mm Pure Copper Heatsink Affiliate link

This Raxmolo heatsink is a compact cooling solution built from pure copper. It measures 40x40x11mm, making it suitable for tight spaces or specific low-profile applications. The solid copper construction helps conduct heat away from the processor efficiently. You should consider this if you need a simple, material-focused heatsink for older or specialized hardware. It lacks complex fan integration, relying on the copper base for passive or active cooling support.

Pros

• Constructed from pure copper for high thermal conductivity
• Compact 40x40x11mm dimensions fit small form factors
• Skiving fin technology increases surface area for better heat dissipation
• Simple design reduces potential points of failure

Cons

• Very thin 11mm height limits airflow and cooling capacity
• No included fan or mounting hardware specified
• Pure copper is heavy and may require robust mounting support

Good fit if

• You need a pure copper heatsink for a legacy socket
• You have a very tight case with height restrictions
• You are building a specialized low-power system

Skip if

• You need a complete cooling solution with an included fan
• You are cooling a high-TDP modern processor
• You require a taller heatsink for better passive cooling

Verdict: Raxmolo 40x40x11mm Pure Copper Heatsink is a specialized component for builders needing a small, high-conductivity copper block. It fits users with space constraints or legacy hardware who can supply their own airflow solution.

2 Best premium

Intel Socket 478 Copper Core CPU Cooler

Best for: Legacy Socket 478 Pentium 4 maintenance

Socket Compatibility

Socket 478

Material

Aluminum, Copper core

Compatible Device

Intel Pentium 4, Celeron processors

Fan Size

2.5-inch

Mounting Type

Heat sink retention clip

Features

Fan

View on Amazon: Intel Socket 478 Copper Core CPU Cooler Affiliate link

This Intel heatsink uses a copper core inside an aluminum body to manage heat for older processors. It includes a 2.5-inch fan and a retention clip for secure mounting. You should choose this if you are maintaining legacy hardware. It supports Socket 478 Pentium 4 and Celeron chips. The 3-pin connector requires a specific motherboard header.

Pros

• Copper core for efficient heat transfer
• Includes 2.5-inch fan for airflow
• Uses standard retention clip for mounting
• Supports Socket 478 Pentium 4 and Celeron

Cons

• Old Socket 478 compatibility limits modern use
• Small 2.5-inch fan size reduces airflow
• Only supports up to 3.40 GHz processors

Good fit if

• You need a replacement for a legacy Socket 478 system
• You are restoring an older Intel Pentium 4 machine
• You require a copper-core heatsink for vintage hardware

Skip if

• You have a modern motherboard with LGA or AM5 sockets
• You need support for processors above 3.40 GHz
• You require a 4-pin PWM fan connector

Verdict: Intel Copper Core Socket 478 Cooler is a specialized component for vintage builds. It fits users who need to replace a failed cooler on an old Pentium 4 system. It does not suit modern computing needs.

3 Also great

Dynatron Copper LGA1156 Blower Heatsink

Best for: legacy LGA1156 Intel desktop maintenance

Socket Compatibility

LGA1156

Material

Copper

Compatible Device

Intel i5 & i7 CPUs

Fan Size

3-inch

Dimensions

3.35 x 3.21 x 1.12 inches

Features

Fan

View on Amazon: Dynatron Copper LGA1156 Blower Heatsink Affiliate link

This Dynatron K199 heatsink is built for LGA1156 sockets, supporting Intel i5 and i7 processors. It uses a copper construction to transfer heat efficiently. The unit includes a 3-inch blower fan that runs on 12V DC. The fan speed varies with duty cycle, reaching up to 2600 RPM at 50% load. It measures 3.35 by 3.21 by 1.12 inches and weighs 12.5 ounces. This compact design suits older desktop systems requiring reliable cooling.

Pros

• Copper heat sink material for effective thermal transfer
• Integrated 3-inch blower fan with 4-pin connector
• Dual ball bearing fan for durability
• Specific compatibility with LGA1156 socket CPUs

Cons

• Limited to older LGA1156 socket platforms
• Fixed fan speed with no PWM control mentioned
• Blower design may restrict airflow in tight cases

Good fit if

• You are upgrading an older Intel i5 or i7 system
• You need a direct replacement for a failed LGA1156 cooler
• You prefer copper heatsinks for their thermal properties

Skip if

• You use a modern LGA1700 or AM5 socket
• You require silent operation with variable fan speeds
• You need a cooler for high-end gaming CPUs

Verdict: Dynatron K199 LGA1156 Copper Heatsink is a functional replacement for legacy Intel desktops. It fits users maintaining older i5 or i7 builds who need a straightforward copper cooling solution.

4 Also great

Dynatron 1U Active Copper Heatsink

Best for: Old LGA1156 low-profile builds

Socket Compatibility

LGA1155, LGA1156

Material

Copper

Server Height

1U

Cooling Method

Active

Dimensions

5 x 5 x 2.5 inches

Features

Fan

View on Amazon: Dynatron 1U Active Copper Heatsink Affiliate link

The Dynatron K199 is a 1U active copper heatsink designed for LGA1155 and LGA1156 sockets. It measures 5 x 5 x 2.5 inches and includes a fan. This pure copper block offers direct contact cooling for Intel Xeon and Core processors. Its compact height makes it suitable for low-profile server or workstation builds where space is tight. You get a dedicated fan for active cooling.

Pros

• Pure copper construction for efficient heat transfer
• Compatible with LGA1155 and LGA1156 sockets
• 1U low-profile height fits tight spaces
• Includes active fan for cooling

Cons

• Limited to older LGA1155 and LGA1156 sockets
• 1U height restricts use in standard desktop cases
• Heavy 15.2 ounces may stress older motherboards

Good fit if

• You need a cooler for an LGA1156 socket
• You are building a low-profile server
• You require pure copper cooling for Xeon CPUs

Skip if

• You use LGA1700 or newer sockets
• You need a standard tower cooler
• You want silent passive cooling

Verdict: Dynatron K199 Copper Heatsink fits older LGA1156 systems in tight cases. It is not for modern desktops.

5 Also great

NEW Games Order PS3 Copper Heatsink Shims

Best for: PS3 YLOD repair and thermal gap filling

Material

100% copper

Compatible Device

Sony Playstation 3 PS3 Fat Slim

Dimensions

6.7 × 4.1 × 1.4 inches

Weight

1 pounds

View on Amazon: NEW Games Order PS3 Copper Heatsink Shims Affiliate link

This kit includes two 100% copper shims measuring 42mm by 42mm and 1.2mm thick, designed for Sony PlayStation 3 consoles. It also provides a 3.5g tube of Arctic Silver 5 thermal compound. The pure copper material helps bridge gaps between the CPU or GPU and the heatsink. This setup aims to improve thermal contact and cooling efficiency for PS3 Fat and Slim models.

Pros

• Constructed from 100% pure copper
• Includes 3.5g tube of Arctic Silver 5
• Shims measure 42mm x 42mm x 1.2mm
• Compatible with PS3 Fat and Slim models

Cons

• Specific to PlayStation 3 hardware only
• Does not include a mounting fan
• Limited to a small 3.5g thermal compound tube

Good fit if

• You need to repair a YLOD issue on a PS3
• You want to improve heat transfer on a PS3 heatsink
• You are replacing missing or damaged shims

Skip if

• You are building a PC with an Intel or AMD CPU
• You need a complete heatsink and fan assembly
• You require shims for a laptop GPU

Verdict: NEW Games Order Copper Shim for PS3 is a specialized repair kit for PlayStation 3 consoles. It fits users who need to fix overheating or YLOD issues on PS3 Fat and Slim units by improving the gap between the chip and heatsink.

6 Best lga 2011

Dynatron 1U Copper Blower Heatsink

Best for: Narrow ILM LGA 2011 1U builds

Socket Compatibility

Intel Socket 2011 (Narrow ILM)

Material

Copper1100

Server Height

1U

Mounting Type

Captive Mounting

Dimensions

4.06 × 3.15 × 1.1 inches

Weight

1.04 pounds

View on Amazon: Dynatron 1U Copper Blower Heatsink Affiliate link

This is a 1U server heatsink designed for Intel Socket 2011 with Narrow ILM. It uses a Copper1100 block with skiving fins and includes a PWM blower fan. The unit supports CPUs up to 95 Watts and comes with Shin-Etsu G751 thermal grease pre-printed. It measures 4.06 by 3.15 by 1.1 inches. You need this for narrow ILM motherboards in small form factor builds.

Pros

• Copper1100 material with skiving fins
• Supports CPUs up to 95 Watts
• PWM blower fan included
• Shin-Etsu G751 thermal grease pre-printed

Cons

• Limited to Intel Socket 2011 Narrow ILM
• 1U height restricts case compatibility
• Heavy at 1.04 pounds

Good fit if

• You use an Intel Socket 2011 Narrow ILM motherboard
• You need a 1U form factor heatsink
• You want pre-applied Shin-Etsu thermal grease

Skip if

• You have a standard LGA 2011 Wide ILM socket
• You need a heatsink taller than 1U
• You require compatibility with modern consumer sockets

Verdict: Dynatron R13 1U Copper Heatsink fits narrow ILM LGA 2011 builds. It offers reliable cooling for 95W CPUs in tight spaces.

7 Best budget

JIUWU 15x15x0.8mm Copper Heatsink Shims

Best for: Laptop GPU and CPU thermal pad replacement

Material

High Purity Copper

Compatible Device

Laptop GPU and CPU

Dimensions

15mm x 15mm x 0.8mm

Length

0.59 inches

Width

0.59 inches

Weight

0.32 ounces

View on Amazon: JIUWU 15x15x0.8mm Copper Heatsink Shims Affiliate link

This is a pack of 20 high purity copper thermal pads for laptop GPU and CPU cooling. Each pad measures 15mm by 15mm with a thickness of 0.8mm. The material ensures effective heat dissipation. You get multiple units for various application needs. This solution is designed for efficient thermal transfer in compact laptop spaces. It serves as a direct replacement or shim for existing heatsink setups.

Pros

• Made from high purity copper for effective heat dissipation
• Includes a pack of 20 pads for versatile use
• Compact 15mm x 15mm x 0.8mm dimensions fit tight spaces

Cons

• Very thin 0.8mm profile limits gap-filling capability
• Small 15mm x 15mm size restricts coverage area
• No fan included for active cooling

Good fit if

• You need to replace thermal pads on a laptop GPU or CPU
• You require multiple small copper shims for various components
• You are working on a compact laptop with limited space

Skip if

• You need a large heatsink for a desktop CPU
• You require active cooling with a built-in fan
• You need a thick pad to fill a large gap

Verdict: JIUWU 15mm Copper Thermal Pad is a practical pack of small copper shims for laptop thermal management. It fits users who need to replace or shim GPU and CPU pads in tight spaces.

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