AMD Athlon II X4 605e 2.3 GHz Quad-Core CPU Processor Socket AM2+ AM3 938-pin 45w Bus speedp: 667 MHz Memory controller,One 2000 MHz 16-bit HyperTransport link Clock multiplier: 11.5 Sockets: Socket AM2+ ,Socket AM3 L2 cache: 4 x 512 KB caches Warranty:3 month