Raspberry pi 4 fan heatsink kit, includes 4 piece raspberry pi quite 30mm 3.3-5V DC fan and 12 pieces aluminum+ 4 piece copper cooling heat sink set for Raspberry Pi models A, B, B+, 2, 3, 3 B+ and 4B boards. These pure aluminum (12pcs) and copper (4pcs) heatsink include heat conductive adhesive tape for optimum heat transfer. These heat sinks have profiles which are short enough to fit within standard Raspberry Pi cases. These heat sinks kit can be applied in other devices to cool processor, voltage regulators, VRAM VGA RAM, IC Chips, MOSFET SCR, Southbridge, Northbridge etc. Package includes: 4pcs 30x30x7mm quite 5v DC fan + 4pcs aluminum heatsink: 0.56 x 0.56 x 0.27 inch (14mm x 14mm x 7mm) (L*W*H); 4pcs aluminum heat sink: 0.56 x 0.39 x 0.27 inch (14mm x 10mm x 7mm) (L*W*H); 4pcs aluminum small heat sink: 0.35 x 0.35 x 0.19 inch (8.8mm x 8.8mm x 5mm) (L*W*H); 4pcs copper pad shim heat sink: 0.59 x 0.59 x 0.02 inch (15mm x 15mm x 0.5mm) (L*W*H)