Intel Xeon D-1637. Processor family: Intel® Xeon® D, Processor socket: FCBGA1667, Processor lithography: 14 nm. Memory channels: Dual-channel, Maximum internal memory supported by processor: 128 GB, Memory types supported by processor: DDR4-SDRAM, DDR3-SDRAM. Market segment: Server, PCI Express slots version: 2.0, 3.0, Supported instruction sets: AVX 2.0. USB version: 2.0/3.2 Gen 1 (3.1 Gen 1). Intel® Turbo Boost Technology 2.0 frequency: 3.2 GHz