Best Passive Heatsinks of 2025

Easycargo Heatsink Kit includes two black anodized aluminum heatsinks with pre-applied thermal conductive adhesive tape backing. It is useful for passive cooling of Water cooling modules, 3D printers stepper motor, NEMA 17, TEC1-12706, TEC1-12710 Thermoelectric Peltier Cooler, and more. The dimension of each heatsink is 3.9 x 1.57 x 0.78 inch / 100 x 40 x 20 mm (LWH) and the unit weight is 2.7 oz / 75 gram per piece. With this kit, you can easily install heatsinks on your electronic devices to prevent overheating and improve performance, without the need for any additional tools or equipment.

The Noctua NH-P1 is a fanless heatsink designed for 100% silent cooling. It utilizes natural convection to dissipate heat without the need for a fan, making it the perfect choice for users who value a quiet computing experience. For those who prefer a semi-passive setup, the NH-P1 also supports the use of an optional NF-A12x25 LS-PWM fan, which operates virtually inaudibly. The NH-P1 is compatible with a wide range of motherboards, including AMD AM4 and Intel LGA1700/1200, and it clears the top PCIe slot on most ATX and µATX motherboards. The professional SecuFirm2+ mounting system ensures easy and secure installation. Additionally, the NH-P1 features the second-generation NT-H2 thermal compound for optimal cooling performance. With its low to moderate heat dissipation capabilities, the NH-P1 is recommended for CPUs such as the Intel 13900, 13700, 13600, or AMD Ryzen 7900, 7700, and 7600.

The Alphacool Copper Heatsinks are a set of 10 passive coolers designed specifically for GPU RAM. These heatsinks are made of copper, which provides excellent heat conductivity, allowing for efficient cooling of your GPU's memory. With dimensions of 10x10mm, they are compact and easy to install on your graphics card. The scope of delivery includes 10 heatsinks, ensuring you have enough to cover all the memory modules on your GPU. These heatsinks are compatible with a wide range of graphics cards, making them a versatile cooling solution for gamers and PC enthusiasts. With the Alphacool Copper Heatsinks, you can keep your GPU's memory cool and enhance its overall performance.

The Thermalright HR10 SSD Cooler is designed to enhance the performance of your M.2 2280 SSD. Its advanced heat dissipation technology ensures that heat is effectively managed, allowing for optimal performance. With a dual heat pipe system and a large heat dissipation area, it efficiently transfers heat away from the SSD, preventing overheating during intensive tasks. The easy installation process with a double-sided clip design makes it user-friendly, providing stable support for your drive. Additionally, the unique Nano thermal pad ensures excellent contact with the SSD, further improving thermal conductivity and protecting your warranty label.

The Alphacool 17427 GPU RAM Copper Heatsinks are a pack of 10 passive coolers designed for air cooling. Measuring 14x14mm, they provide effective cooling for GPU RAM. These heatsinks are compatible with a range of systems and come with a scope of delivery that includes everything you need for installation.

The JEYI Q150 M.2 HeatSink, also known as the JEYI M.2 HeatSink, is a heavy-duty copper heatsink designed to enhance the heat release rate of M.2 2280mm SSDs, particularly the SAMSUNG PCIE 4.0 980Pro and EVO 970Pro which generate high levels of heat. With its full copper fins and built-in 401 (W/m.K) thermal conductivity, this passive heatsink effectively dissipates heat, ensuring optimal performance and longevity of your SSD. The full CNC cutting aluminum frame not only provides a solid construction but also adds to the overall aesthetics of your system. The JEYI M.2 HeatSink comes with a thermal compound pad and tools for easy one-step installation. However, please note that this heatsink may affect the use of CPU heatsinks or graphics cards due to its height of about 17mm. Therefore, it is essential to check if there is enough space before purchasing.

Easycargo Heatsink Kit is a set of 20 black anodized aluminum heatsinks, each measuring 9mmx9mmx5mm. They come with pre-applied 3M 8810 thermal conductive adhesive tape backing, making them easy to install for passive cooling of Stepper Drive, MOSFET, VRM GPU, Vram, IC Chips, and more. These heatsinks are lightweight, weighing only 0.02 oz / 0.58 gr per piece, and their small size allows them to be used in tight spaces. With the Easycargo Heatsink Kit, you can keep your devices cool and running smoothly.

The Dynatron A43 Heatsink is designed for AMD Ryzen Socket AM4 and AM5, providing efficient cooling for your CPU. It can handle heat dissipation of up to 120 watts, ensuring that your processor stays cool during intense tasks. The heatsink features aluminum stacked fins and heat pipes, which enhance thermal conductivity and improve airflow. Additionally, it comes with pre-applied Shin-Etsu 7762 thermal paste, saving you the hassle of applying thermal paste yourself. With dimensions of 4.13" x 2.91" x 2.48", this heatsink fits comfortably in most setups while delivering reliable performance.

This 4Pcs 40mm Heatsink Kit includes black anodized aluminum heat sinks with dimensions of 40mm x 40mm x 11mm (LWH) and a weight of 0.63 oz / 18 gr per pc. It comes with thermal conductive double-sided tape for easy application and can be used for passive cooling of various devices including 3D printers, TEC1-12706 Thermoelectric Peltier Cooler, and electronics CPU Led. The package includes 4 heat sinks, making it a great value for its price.

The Supermicro SNK-P0068PS Heat Sink is a high-performance cooling solution designed for processors. With its compatibility with Socket P LGA3647, it ensures a secure fit for your processor. The compact design, measuring 2.52" in height and 3.07" in width, allows for easy installation in 2U server systems. Specifically designed for the Supermicro x11 purley platform, this heat sink provides efficient heat dissipation, keeping your processor running smoothly even under heavy workloads. The Supermicro SNK-P0068PS Heat Sink is the perfect choice for users seeking reliable and effective cooling for their processors.