Intel E5-2603V4, Xeon. Processor family: Intel Xeon E5 v4, Processor frequency: 1.7 GHz, Processor socket: LGA 2011-v3. Maximum internal memory supported by processor: 1536 GB, Memory types supported by processor: DDR4-SDRAM, Memory clock speeds supported by processor: 1600,1866 MHz. VID Voltage Range: 0 - 0 V. PCI Express slots version: 3.0, Supported instruction sets: AVX 2.0, Processor package size: 52.5 x 51. Compatibility: Intel Server System R1208WT2GSR Intel Server System R1208WTTGSR Intel Server System R1304WT2GSR, Maximum internal memory: 1572864 MB