HP Intel Xeon 3.06 GHz, Intel® Xeon®, Socket 604 (mPGA604), 130 nm, 3.06 GHz, 32-bit, Server/workstation HP Intel Xeon 3.06 GHz. Processor family: Intel® Xeon®, Processor socket: Socket 604 (mPGA604), Processor lithography: 130 nm. Market segment: Server, Number of Processing Die Transistors: 55 M, Processing Die size: 131 mm². Processor package size: 42.5 mm