HP X5687, Intel® Xeon® 5000 Sequence, Socket B (LGA 1366), 32 nm, Tray, X5687, 3.6 GHz HP X5687. Processor family: Intel® Xeon® 5000 Sequence, Processor socket: Socket B (LGA 1366), Processor lithography: 32 nm. Memory channels: Triple-channel, Maximum internal memory supported by processor: 288 GB, Memory clock speeds supported by processor: 800,1066 MHz. Market segment: Server. Width: 1.77" (45 mm), Height: 1.67" (42.5 mm)