AMD Phenom II X4 965 3.4 GHz Quad-Core CPU Processor HDZ965FBK4DGM Socket AM3 Frequency: 3.4GHz, Clock multiplier: 17. Bus speed: 667 MHz Memory controller, One 2000 MHz 16-bit HyperTransport link (4 GT/s). Socket AM3, Data width: 64 bit, 4 cores, 4 threads. L2: 4 x 512 KB, L3: 6MB, Thermal Design Power: 125 Watt. Warranty:3 months, Please consult us whether support your motherboard before buying.