HP Intel Xeon 3.4 GHz, Intel® Xeon®, Socket 604 (mPGA604), 90 nm, 3.4 GHz, Server/workstation, 1 MB HP Intel Xeon 3.4 GHz. Processor family: Intel® Xeon®, Processor socket: Socket 604 (mPGA604), Processor lithography: 90 nm. Market segment: Server, Number of Processing Die Transistors: 125 M, Processing Die size: 112 mm²