The cooler works better with the AMD socket. Silent cooling replacement for Intel stock coolers (0dB without fan). Offset base for better VGA card and memory clearance (PCI-e and RAM sockets) Active cooling (with fan) up to 300watt thermal design power (TDP) Black top to complement build aesthetics Enlarged copper base to ensure 100% contact with all CPUs including Haswell (2011-3 processors). Long neck screwdriver included for easy mounting. Motherboard Compatibility AMD: Socket AM2/AM2+/AM3/AM3+/AM4/FM1/FM2/FM2+