AMD Phenom II X4 840 3.2 GHz 95W Quad-Core CPU Processor HDX840WFK42GM Socket AM3 Bus speed:667 MHz Memory controller,One 2000 MHz 16-bit HyperTransport link (4 GT/s) Clock multiplier:16, L2 cache: 2MB, 4 cores. Thermal Design Power:95 Watt. Warranty:3 months. Please consult us whether support your motherboard before buying.