YWBL-WH 40x30x5mm Slotted Aluminum Heatsink Alternatives: 6 Similar Picks Compared
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If you need ywbl wh aluminum heatsink alternatives, this list compares 6 similar options. The original YWBL-WH unit is a compact passive cooler made from 6063-T5 extruded aluminum. Its slotted fine teeth design increases surface area for better heat dissipation. It measures 40x30x5mm and weighs 1.41 ounces. This makes it ideal for small PCBs, routers, and ICs. The multi-pack format offers practical value for low-power components.
You might want different specs or a different brand. Some projects require larger surface areas or active cooling fans. Others need specific socket compatibility for server builds. The alternatives in this guide were chosen because their specifications overlap with the original. You will find passive aluminum fins, thermal compounds, and active server fans. Each option serves a distinct cooling need. Review the dimensions and material types to find the best fit for your electronics.
Our top pick: YWBL-WH 40x30x5mm Slotted Aluminum Heatsink 5-Pack.
How these alternatives compare
Prolimatech Nano Aluminum Thermal Compound 1.5g
This Prolimatech product is a thermal compound, not a heatsink. It serves a different role entirely by filling microscopic gaps between a heat source and a cooler. While the YWBL unit dissipates heat through its aluminum fins, this compound improves contact efficiency. You need this if you already have a cooler but lack adequate interface material. It comes in a small 1.5g tube for precise application. Choose this if your goal is to enhance an existing thermal path rather than add a passive cooling surface. It does not replace the need for a heatsink but works alongside one.
Uxcell 100mm Aluminum Heatsink 5-Pack
The Uxcell option is significantly larger than the YWBL unit. It measures 100mm in length, compared to the 40mm length of the original. This increased surface area allows it to handle higher thermal loads. It is suitable for LEDs and small power components that generate more heat than a tiny IC. You should pick this if space is not a constraint and you need more cooling capacity. The larger fins provide better passive airflow. However, it will not fit in the tight spaces where the compact YWBL model excels. It is a better choice for low-power boards with limited airflow.
Dynatron K6 80mm 1U Server Fan
This Dynatron fan is an active cooling solution, unlike the passive YWBL heatsink. It includes a motor and blades to move air across a heat source. The YWBL unit relies on natural convection. This fan is designed for 1U server chassis and LGA115x sockets. It delivers high airflow but generates noise. You should choose this if you need to cool a component that the passive aluminum fin cannot handle. It requires power and space for the fan assembly. It is not a direct replacement for a simple passive heatsink but offers superior cooling performance for high-density server environments.
Walfront 24-Fin Aluminum Heatsink
The Walfront heatsink is larger and has 24 fins. It measures 150x59x25mm, which is much bigger than the 40x30x5mm YWBL unit. This size provides more surface area for heat dissipation. It is ideal for LED lighting projects that generate consistent heat. You should pick this if you need a robust passive cooler for semiconductor devices. The larger footprint allows it to spread heat more effectively. However, it requires more physical space on your PCB. It is not suitable for tight spaces where the small YWBL model fits. It offers better thermal performance for moderate loads.
Dynatron 2U Active Aluminum SP3 Heatsink
This Dynatron unit is an active heatsink for AMD EPYC SP3 sockets. It is a 2U server cooler, far larger than the small YWBL component. It requires a separate fan to operate. The YWBL unit is passive and fits tiny ICs. This option is for high-performance workstation builds. You should choose this if you are cooling a server CPU with high thermal output. It uses aluminum fins but relies on forced air. It is not comparable in size or application to the small passive heatsink. It is designed for heavy-duty tasks in large chassis, not for small electronics or routers.
Easycargo 20-Piece Copper and Aluminum Heatsink Kit
The Easycargo kit includes both copper and aluminum heatsinks for Raspberry Pi boards. It contains 20 pieces of various sizes. The YWBL unit is a single size for general ICs. This kit is tailored for single-board computers. You should pick this if you are building a Pi 3, 4, or 5. It uses thermal tape for easy installation. The variety of sizes allows you to cover different components on the board. It is not a direct alternative for router or power amplifier cooling. It is a specialized solution for specific single-board computer models where passive cooling is required.
Quick picks
Our 7 picks
YWBL-WH 40x30x5mm Slotted Aluminum Heatsink 5-Pack
Best for: passive cooling of small PCBs and ICs
- Material
- 6063-T5 Extruded Aluminum
- Compatible Device
- PCB, router, CPU, IC, power amplifier
- Dimensions
- Approx. 40×30×5mm / 1.6×1.2×0.2in
- Weight
- 1.41 ounces
View on Amazon: YWBL-WH 40x30x5mm Slotted Aluminum Heatsink 5-Pack Affiliate link
This YWBL-WH heatsink uses 6063-T5 extruded aluminum to dissipate heat from PCBs, routers, and ICs. Its 40x30x5mm dimensions and slotted fine teeth design maximize surface area for efficient cooling. Weighing just 1.41 ounces, it is a lightweight option for small electronic components. You get five units per pack, making it a practical choice for multiple cooling needs.
Pros
- Constructed from durable 6063-T5 extruded aluminum
- Slotted fine teeth design increases heat dissipation area
- Compact 40x30x5mm size fits tight spaces
- Includes 5 units per pack for value
Cons
- Passive design requires external airflow for effectiveness
- Small 5mm height limits heat capacity for high-power chips
- No included thermal paste or mounting hardware
Good fit if
- You need passive cooling for low-to-medium heat ICs
- You are working on PCBs or routers with space constraints
- You require multiple heatsinks for a single project
Skip if
- You need to cool a high-TDP CPU without a fan
- You require active cooling with an integrated fan
- You need a larger surface area for power amplifiers
Verdict: YWBL-WH 40x30x5mm Aluminum Heatsink is a compact, passive cooling solution for small electronics like routers and ICs. It suits builders who need lightweight, multi-pack heatsinks for low-power components.
Prolimatech Nano Aluminum Thermal Compound 1.5g
Best for: small component thermal interface
- Material
- Aluminum
- Dimensions
- 6.3 × 2.76 × 2.56 inches
View on Amazon: Prolimatech Nano Aluminum Thermal Compound 1.5g Affiliate link
This is Prolimatech's PK-2 Nano thermal compound, designed for efficient heat conduction. It features a thermal conductivity rating of 10.2 W/m°C. The material is non-corrosive and electrically non-conductive, allowing for safe application on sensitive components. It comes in a 1.5g syringe with an applicator. You can apply it in thin, even layers without requiring a baking time. This makes it a practical option for small-scale cooling tasks.
Pros
- High thermal conductivity of 10.2 W/m°C
- Non-corrosive and electrically non-conductive
- No baking time required for application
- Includes 1.5g syringe and applicator
Cons
- Very small 1.5g quantity limits use to single applications
- Sold as an international product with potential labeling differences
- Does not include a fan or heatsink for active cooling
Good fit if
- You need a high-conductivity compound for a single small component
- You want a non-conductive paste that requires no curing time
- You are looking for a precise applicator for thin layers
Skip if
- You need a large quantity for multiple builds
- You require a complete cooling solution with a fan
- You prefer a product with domestic US labeling and terms
Verdict: Prolimatech PK-2 Nano Thermal Compound offers high conductivity in a tiny package. It fits users who need precise, thin-layer application for a single small component without curing delays.
Uxcell 100mm Aluminum Heatsink 5-Pack
Best for: Passive cooling of LEDs and small power components
- Material
- Aluminum
- Compatible Device
- Led Amplifier Transistor IC Module
- Dimensions
- 100x25x10mm
View on Amazon: Uxcell 100mm Aluminum Heatsink 5-Pack Affiliate link
This Uxcell heatsink is a 100x25x10mm aluminum block designed for passive cooling. It features eight fins to maximize surface area for heat transfer. The unit weighs 6.1oz and is suitable for LEDs, transistors, ICs, and power amplifiers. You get five pieces in the package. It offers a lightweight solution for small electronic components that require efficient dissipation without active airflow.
Pros
- Constructed from high-quality aluminum for good thermal conductivity
- Eight fins increase surface area for greater heat transfer
- Compact dimensions of 100x25x10mm fit tight spaces
- Includes five heatsinks in one package
Cons
- No fan included for active cooling
- Limited to low-power components like LEDs and small ICs
- Passive design requires adequate case airflow
Good fit if
- You need passive cooling for small electronic modules
- You are building LED lighting or amplifier circuits
- You require multiple heatsinks for a batch of components
Skip if
- You are cooling a high-TDP CPU or GPU
- You need active cooling with an included fan
- You require a heatsink larger than 100mm in length
Verdict: Uxcell 100mm Aluminum Heatsink is a practical passive cooling option for low-power electronics like LEDs and transistors. It fits well in compact builds where space is limited and active fans are not desired.
Dynatron K6 80mm 1U Server Fan
Best for: 1U server chassis with LGA115x sockets
- Socket Compatibility
- LGA1151, LGA1155, LGA1156
- Material
- Aluminum 6061 Skived Fins
- Server Height
- 1U
- Cooling Method
- Active PWM Blower
- Fan Size
- 80 x 80 x 15 mm
- Dimensions
- 3.15 x 3.15 x 0.59 inches
View on Amazon: Dynatron K6 80mm 1U Server Fan Affiliate link
This is a 1U server CPU cooling solution designed for low-power processors. It uses an 80x80x15 mm PWM blower fan paired with a 6061 aluminum skived fin heatsink. The fan spins at 3000 RPM, moving 9.0 CFM of air. It generates 38.7 dBA of noise. The unit supports LGA1151, LGA1155, and LGA1156 sockets. It fits compact server chassis where height is strictly limited.
Pros
- Skived fin aluminum heatsink for efficient heat transfer
- High 3000 RPM fan speed for maximum airflow
- Supports multiple Intel LGA sockets including 1151
- Dual ball bearing for durability
Cons
- High 38.7 dBA noise level at full speed
- Low 0.52 inch-H2O static pressure
- Small 80 mm fan limits airflow volume
Good fit if
- You need a cooler for a 1U server chassis
- You use an Intel LGA1151, 1155, or 1156 socket
- You prioritize airflow over quiet operation
Skip if
- You require a silent cooling solution
- You need high static pressure for dense radiators
- You use a standard desktop ATX case
Verdict: Dynatron K6 80mm 1U Blower fits compact server builds requiring LGA115x socket support. It delivers high airflow but runs loud.
Walfront 24-Fin Aluminum Heatsink
Best for: passive cooling for LED lighting
- Material
- Aluminum
- Cooling Method
- Passive
- Compatible Device
- LED light, power transistor
- Dimensions
- 150 x 59 x 25 mm
- Weight
- 5.64 ounces
View on Amazon: Walfront 24-Fin Aluminum Heatsink Affiliate link
This Walfront aluminum heatsink uses 24 fins to increase surface area for better heat transfer. Its dimensions are 150 mm by 59 mm by 25 mm. The design helps reduce overheating risks for high-power components. It is suitable for household LED lights or fish LED devices. You should verify that these measurements fit your specific component before use.
Pros
- Constructed from aluminum for good thermal conductivity
- Features 24 fins to maximize heat transfer area
- Dimensions of 150 mm x 59 mm x 25 mm
- Weighs 5.64 ounces
Cons
- Limited to specific LED device applications
- No fan included for active cooling
- Smaller surface area than larger CPU coolers
Good fit if
- You need a passive cooler for LED components
- You require a compact aluminum heatsink
- You want to prevent overheating in small electronics
Skip if
- You need active cooling with a fan
- You are cooling a standard desktop CPU
- You require a larger heatsink for high wattage
Verdict: Walfront Aluminum Heatsink 150x59x25mm is a practical passive solution for LED lighting projects. It fits users who need simple, reliable heat dissipation for semiconductor devices without complex assembly.
Dynatron 2U Active Aluminum SP3 Heatsink
Best for: AMD EPYC SP3 server builds
- Socket Compatibility
- Socket SP3
- Material
- Aluminum
- Server Height
- 2U
- Cooling Method
- Active
- Compatible Device
- AMD EPYC
- Dimensions
- 5 × 4.5 × 6 inches
View on Amazon: Dynatron 2U Active Aluminum SP3 Heatsink Affiliate link
This is an active aluminum heatsink designed for AMD EPYC processors using Socket SP3. It measures 4.5 by 5 by 6 inches and weighs 1 pound. The unit is built for 2U server chassis and uses embedded heatpipes for cooling. You need this if you are building a workstation with SP3 sockets. It fits standard rack spaces but requires a fan for operation.
Pros
- Compatible with AMD EPYC Socket SP3
- Built with aluminum material
- Uses active cooling method
- Fits 2U server height
Cons
- Requires an external fan
- Only supports SP3 sockets
- Fixed dimensions limit case options
Good fit if
- You use AMD EPYC SP3 processors
- You need a 2U server solution
- You require aluminum heat dissipation
Skip if
- You use consumer desktop CPUs
- You need passive cooling only
- You require fanless operation
Verdict: Dynatron A26 SP3 Aluminum Heatsink suits SP3 workstation builders who need a 2U active cooling solution. It fits users who can mount a separate fan to the aluminum fins.
Easycargo 20-Piece Copper and Aluminum Heatsink Kit
Best for: passive cooling on Raspberry Pi boards
- Material
- Aluminum + Copper
- Compatible Device
- Raspberry Pi 5 4 3 boards
- Mounting Type
- Pre-applied adhesive tape backing
- Features
- Thermal Tape
- Dimensions
- 0.55 × 0.55 × 0.28 inches
- Weight
- 0.64 ounces
View on Amazon: Easycargo 20-Piece Copper and Aluminum Heatsink Kit Affiliate link
This kit includes 20 aluminum and copper heatsinks with pre-applied thermal adhesive tape. The materials help dissipate heat from Raspberry Pi 5, 4, and 3 boards. Each piece is small, measuring 0.55 by 0.28 inches. You get a mix of 15 aluminum and 5 copper pads. The adhesive backing allows for easy installation on chips without additional tools.
Pros
- Includes 15 aluminum and 5 copper heatsinks
- Pre-applied thermal conductive adhesive tape
- Compatible with Raspberry Pi 5, 4, and 3
- Compact size of 0.55 by 0.28 inches
Cons
- Passive cooling only; no fan included
- Adhesive backing limits repositioning after application
- Small surface area per heatsink
Good fit if
- You need a ready-to-use kit for Raspberry Pi models
- You want a mix of aluminum and copper materials
- You prefer simple adhesive installation over screws
Skip if
- You require active cooling with a fan
- You need to reuse heatsinks on different components
- You are cooling a high-power CPU
Verdict: Easycargo Raspberry Pi Heatsink Kit offers a convenient passive cooling solution for single-board computers. You should choose this if you need a simple, adhesive-based setup for a Pi 3, 4, or 5.
Specifications side by side
| Spec | YWBL-WH 40x30x5mm Slotted Aluminum Heatsink 5-Pack | Prolimatech Nano Aluminum Thermal Compound 1.5g | Uxcell 100mm Aluminum Heatsink 5-Pack | Dynatron K6 80mm 1U Server Fan | Walfront 24-Fin Aluminum Heatsink | Dynatron 2U Active Aluminum SP3 Heatsink | Easycargo 20-Piece Copper and Aluminum Heatsink Kit |
|---|---|---|---|---|---|---|---|
| Socket Compatibility | not stated | not stated | not stated | LGA1151, LGA1155, LGA1156 | not stated | Socket SP3 | not stated |
| Material | 6063-T5 Extruded Aluminum | not stated | Aluminum | Aluminum 6061 Skived Fins | Aluminum | Aluminum | Aluminum + Copper |
| Server Height | not stated | not stated | not stated | 1U | not stated | 2U | not stated |
| Cooling Method | not stated | not stated | not stated | Active PWM Blower | Passive | Active | not stated |
| Compatible Device | PCB, router, CPU, IC, power amplifier | not stated | Led Amplifier Transistor IC Module | not stated | LED light, power transistor | AMD EPYC | Raspberry Pi 5 4 3 boards |
| Fan Size | not stated | not stated | not stated | 80 x 80 x 15 mm | not stated | not stated | not stated |
| Dimensions | Approx. 40×30×5mm / 1.6×1.2×0.2in | not stated | 100x25x10mm | 3.15 x 3.15 x 0.59 inches | 150 x 59 x 25 mm | not stated | not stated |
| Mounting Type | not stated | not stated | not stated | not stated | not stated | not stated | Pre-applied adhesive tape backing |
| Features | not stated | not stated | not stated | not stated | not stated | not stated | Thermal Tape |
| Weight | 1.41 ounces | not stated | not stated | 7.84 ounces | 5.64 ounces | 1 pounds | 0.64 ounces |
| Model | not stated | PK-2 - 1g | a14111400ux0242 | K6 | 8541601958 | A26 | not stated |
| Color | not stated | not stated | not stated | not stated | not stated | not stated | Multicolored (20pcs) |
If you need workshop fabrication gear for mounting hardware, compare ywbl wh 60w mini milling machine alternatives.
Frequently asked questions
What is the best overall aluminum heatsink alternative to the YWBL-WH?
The YWBL-WH 40x30x5mm Slotted Aluminum Heatsink 5-Pack remains the top choice. It measures 1.57 by 1.97 by 1.18 inches and weighs 1.41 ounces. This compact design provides passive cooling for small PCBs and ICs. The aluminum construction ensures lightweight performance for low-power components like routers.
Which heatsink is best for AMD EPYC SP3 server builds?
The Dynatron 2U Active Aluminum SP3 Heatsink is the best option for SP3 workstations. It measures 4.5 by 6 by 5 inches and weighs 1 pound. This active cooler requires you to mount a separate fan to the aluminum fins. It fits users needing a 2U solution for server chassis.
What is a good passive heatsink for LED lighting projects?
The Walfront 24-Fin Aluminum Heatsink is practical for LED lighting. It offers simple, reliable heat dissipation for semiconductor devices without complex assembly. The unit weighs 5.64 ounces. It is designed for passive cooling, making it suitable for projects where active fans are not desired.
Which heatsink kit is recommended for Raspberry Pi boards?
The Easycargo 20-Piece Copper and Aluminum Heatsink Kit is ideal for Raspberry Pi. It includes thermal tape for an adhesive-based setup. The pieces measure 0.55 by 0.28 by 0.55 inches and weigh 0.64 ounces. This kit provides convenient passive cooling for Pi 3, 4, or 5 models.
What is the best budget thermal compound for small components?
The Prolimatech Nano Aluminum Thermal Compound 1.5g is the best budget pick. It offers high conductivity in a tiny package for precise application. The model PK-2 fits users needing thin-layer application for a single small component. It avoids curing delays, making it efficient for small thermal interfaces.
Which heatsink is best for passive cooling of LEDs and power components?
The Uxcell 100mm Aluminum Heatsink 5-Pack is a practical option for passive cooling. It measures 4.5 by 1.8 by 8 inches. This cooler is suitable for low-power electronics like LEDs and transistors. It fits well in compact builds where space is limited and active fans are not desired.
What fan fits 1U server chassis with LGA115x sockets?
The Dynatron K6 80mm 1U Server Fan fits compact server builds requiring LGA115x socket support. It measures 0.59 by 3.15 by 3.15 inches and weighs 7.84 ounces. This blower delivers high airflow but runs loud. It is the best premium choice for 1U server chassis.