HP Intel Xeon E5440, Intel® Xeon® 5000 Sequence, LGA 771 (Socket J), 45 nm, Tray, E5440, 2.83 GHz HP Intel Xeon E5440. Processor family: Intel® Xeon® 5000 Sequence, Processor socket: LGA 771 (Socket J), Processor lithography: 45 nm. Market segment: Server. Width: 1.48" (37.5 mm), Depth: 1.48" (37.5 mm). Temperature (max): 67 °C