DELL 317-4291-REF, Intel® Xeon® 5000 Sequence, LGA 1366 (Socket B), 32 nm, Intel, X5650, 2.66 GHz DELL 317-4291-REF. Processor family: Intel® Xeon® 5000 Sequence, Processor socket: LGA 1366 (Socket B), Processor lithography: 32 nm. Memory channels: Triple-channel, Maximum internal memory supported by processor: 288 GB, Memory types supported by processor: DDR3-SDRAM. Market segment: Server, Supported instruction sets: SSE4.2, Physical Address Extension (PAE): 40 bit. Package dimensions (WxDxH): 42.5 x 42.5 x 45 mm, Processor package size: 42.5mm x 45mm. Intel® Virtualization Technology (Intel® VT): VT-d, VT-x, Maximum internal memory: 288 GB, Maximum internal memory: 294912 MB