Cooling Fans & Heatsinks

Cooling Fans & Heatsinks for Laptops & PCs

Overheating is one of the leading causes of hardware failure, throttled performance, and unexpected shutdowns. Whether you're repairing a laptop, upgrading a desktop, building a custom rig, or maintaining a server, our Cooling Fans & Heatsinks collection has everything you need to keep your components running at safe, optimal temperatures. From quiet 120mm chassis fans and compact mini blowers to copper thermal shims and aluminum heatsink pads, we stock professional-grade thermal management solutions for every build and repair job.

Why Proper Cooling Matters

CPUs, GPUs, and RAM modules generate significant heat under load. Without adequate cooling, solder joints weaken, thermal paste degrades, and silicon degrades faster — shortening the life of your expensive hardware. Investing in quality cooling components isn't just about performance; it's about protecting your investment. Our range covers all the essentials: fans, heatsinks, thermal shims, mounting hardware, fan splitters, and power adapters — so you can build a complete, reliable cooling solution from a single source.

Featured Products

What's in Our Cooling Fans & Heatsinks Range?

  • 120mm & 140mm Chassis Fans — including variable-speed and 3000RPM high-airflow models for servers and BTC mining rigs.
  • Mini Cooling Fans — compact 25.5mm and 30mm blowers for 3D printers, embedded systems, and tight spaces.
  • Copper Thermal Shims — available in multiple sizes for GPU, CPU, and RAM heatsink gap-filling applications.
  • Aluminum Heatsinks — passive cooling pads for LEDs, ICs, and general-purpose chip cooling.
  • Semiconductor Cooling Modules — TEC/Peltier-based DIY modules for advanced cooling projects.
  • Fan Accessories — splitter cables, USB power adapters, mounting clips, and anti-vibration screws to complete any build.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What size cooling fan do I need for my PC case or chassis?

A: Most standard desktop PC cases support 120mm or 140mm cooling fans. Check your case specifications for compatible fan mount sizes. Our 120mm Chassis Cooling Fan with Variable Speed Controller and 4-Pack Metal Fan Mounting Clips for 120mm & 140mm Cases are popular choices for standard builds.

Q: What are copper thermal shims used for in CPU and GPU cooling?

A: Copper thermal shims are thin conductive pads placed between a CPU or GPU die and its heatsink to fill microscopic gaps, improving thermal contact and heat transfer efficiency. They are especially useful when replacing or upgrading coolers where the original thermal interface material has worn out. Our 10-Pack Copper Thermal Shim Sheets in 4 Sizes cover a wide range of chip dimensions.

Q: How do I power a PC case fan using a USB port?

A: You can use a fan-to-USB power adapter cable. Our 3/4 Pin PC Fan to USB Power Cable lets you run standard 3-pin or 4-pin PC fans directly from any USB port — ideal for external cooling setups or when motherboard headers are unavailable.

Q: Are these cooling fans compatible with 3D printers and DIY electronics projects?

A: Yes! Several fans in our range are well-suited for 3D printers and maker projects. The 3010 DC 12V Blower Fan for MK3S 3D Printer Cooling is a direct-fit replacement for popular FDM printers, and our 25.5x10mm Mini Round Cooling Fan supports 5V, 9V, 12V, and 24V inputs for maximum compatibility across DIY builds.

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