HP Intel Xeon E5-2603, Intel® Xeon® E5 Family, LGA 2011 (Socket R), 32 nm, E5-2603, 1.8 GHz, 64-bit HP Intel Xeon E5-2603. Processor family: Intel® Xeon® E5 Family, Processor socket: LGA 2011 (Socket R), Processor lithography: 32 nm. Memory channels: Quad-channel, Maximum internal memory supported by processor: 750 GB, Memory clock speeds supported by processor: 800,1066 MHz. Market segment: Server. Intel® Virtualization Technology (Intel® VT): VT-d, VT-x