Enzotech SLF-30 Pure Copper, Low Profile Heat Sink Forged pure copper Multiple push pin locations for universal mounting on various board assembly (hole to hole distance: 47.5mm to 53.5mm) Excellent surface flatness minimizes the interface between heat source and heat sink Fan included (RPM: 10500, CFM: 3.5, Noise: 32 dBA) Dimension: 32 x 32 x 13.5mm