Enokay 8 Pieces Cooling Copper Heatsink for Raspberry Pi VGA RAM Cooling Heatsinks Cooler Pre-applied thermal conductive adhesive material; simple installation Works on the SMCI USB/NIC controller chip. -Offer significant cooling advantage than with the heat sinks This Copper made VGA Ram heatsinks can reduce the VGA memory or chips temperature, which prevent system failure. Package included: 8 pcs copper heatsinks+ 2 pcs aluminium heat sink Product size:14*12*5.5mm