HP WG728AA, Intel® Xeon® 5000 Sequence, Socket B (LGA 1366), 32 nm, E5620, 2.4 GHz, 64-bit HP WG728AA. 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