Our new and improved heatsink for all VIM SBCs. Thinner fins allow us to squeeze 16 of them into the same space Compatibility: VIM3 (v11 and higher) VIM2 (v1.4 and higher) VIM1 3705 Cooling Fan Incompatible: 3004 Cooling Fan VIM2 (v1.2 and earlier) Compatible with the high-airflow 3705 cooling fan for better cooling with lower noise In the Packet: Heatsink Blue Thermal Pad Screw Set