Intel Xeon E5-2640. Processor family: Intel® Xeon® E5 Family, Processor socket: LGA 2011 (Socket R), Processor lithography: 32 nm. Memory channels: Quad-channel, Maximum internal memory supported by processor: 750 GB, Memory types supported by processor: DDR3-SDRAM. Market segment: Server, Supported instruction sets: AVX, Scalability: 2S. Package width: 1.73" (44 mm), Package depth: 5.51" (140 mm), Package height: 4.61" (117 mm). Processor package size: 52.5mm x 45mm