HP 6226R, Intel® Xeon® Gold, LGA 3647 (Socket P), 14 nm, Intel, 6226R, 2.9 GHz HP 6226R. Processor family: Intel® Xeon® Gold, Processor socket: LGA 3647 (Socket P), Processor lithography: 14 nm. Memory channels: Hexa-channel, Maximum internal memory supported by processor: 1 TB, Memory types supported by processor: DDR4-SDRAM. Supported instruction sets: AVX-512, SSE4.2, AVX, AVX 2.0, Scalability: 2S. Processor package size: 76.0 x 56.5 mm