ZALMAN Ultimate Fanless Heatsink CPU Cooler FX100 The FX100 is the perfect cooling solution at places where noise, dust, and vibration can be detrimental to the system and its surrounding areas. Hexahedron structure offers maximum heat dissipation area with minimal space. Corrosion-resistance reinforced with high quality finishing touch Fits in ATX mid tower case (Width 180mm) and compatible with most CPU sockets High performance ZM-STG2 helps to maximize the heat transfer from CPU to FX100 base allowing optimal cooling performance. Supports up to 130W with 92mm option fan. Enjoy same quality as noiseless environment with Zalman LED Fan ZM-F2Q(BL) at 650rpm. Provides outstanding heat transfer performance. Compatible with Socket FM2/Socket 940/939/754/Socket AM2+/AM2/Socket AM3+/AM3/Socket FM1/Socket 775/Socket 1156/Socket 1175