This is the pure copper heatsinks kit with thermal conductive adhesive. Using this copper coolers on PCB board like raspberry pi, orange pi, rock pi, tinker board, user can better start the DIY project. As our test, this heat sink compatible well with raspberry pi 4, raspberry pi 3B+ / 3B, raspberry pi zero 2 W / Zero W / Zero WH, Orange Pi Zero 2 W, etc. More models to be verified.
Packing List: 2 pcs 15x15x5mm, 2 pcs 8x8x5mm, 2 pcs 15x10x5mm, 2 pcs 6x6x5mm (total 4 specifications 8 pcs copper heatsinks)
Convenient to Use: With thermal conductive adhesive, peel off and stick to use, very convenient to use
Good Heat Dissipation: Made of high quality pure copper, and slotting design to maximize surface area in contact with cooling air, copper cpu heatsinks
Compatible with: Raspberry 5 / 4B / 3B+ / 3B / 2B / 3A / A+ / Pi Zero 2 W / Zero W / Zero WH / Other PCB Board (Raspberry Pi or PCB Board are all NOT included)

Geekworm Heatsink CPU Cooler for Raspberry Pi, 8PCS Copper Heatsinks with The...