Intel Xeon E5-1620V3 3.50GHz. Used, fully operational. 3.5GHz base, 3.6Ghz Turbo on 4 cores/8 threads and supports ECC DDR4 (up to 768GB). 40 PCI-E 3.0 lanes. Taken from a working system due to upgrade. Full Specifications are avaliable here: https://www.intel.com.au/content/www/au/en/products/sku/82763/intel-xeon-processor-e51620-v3-10m-cache-3-50-ghz/specifications.html