AMD Phenom II X4 955 Quad-core 3.2GHz 6MB CPU Processor Socket AM2+ AM3 938-pin Frequency: 3.2GHz, Clock multiplier: 16 Socket AM2+ AM3, 4 cores, 4 threads L2 cache:2MB, L3 cache:6MB Thermal Design Power: 125 Watt Warranty:3 month