HP Intel Xeon E5420, Ref, Intel® Xeon® 5000 Sequence, LGA 771 (Socket J), 45 nm, E5420, 2.5 GHz, 32-bit, 64-bit HP Intel Xeon E5420, Ref. Processor family: Intel® Xeon® 5000 Sequence, Processor socket: LGA 771 (Socket J), Processor lithography: 45 nm. Market segment: Server, Number of Graphics & IMC Die Transistors: 820 M, Graphics & IMC Die Size: 214 mm². Intel® Virtualization Technology (Intel® VT): VT-x