Product Description About this item Processor family: Intel Xeon, Processor frequency: 2.6 GHz, Processor socket: LGA 2011-v3. Maximum RAM supported: 768 GB, Supported memory types: DDR4-SDRAM, Supported memory clock speeds: 1600, 1866, 2133 MHz. Thermal power: 135W, VID Voltage Range: 0.65 - 1.3V. PCI Express slots version: 3.0, Supported instruction sets: AVX 2.0, Scalability: 2... https://www.electronics70off.co.uk/products/Intel-Xeon-E5%252d2690V3-Processor-%282.6-GHz%2C-30-MB-Cache%2C-LGA2011%252dv3-Socket%29.html