The Dell R912T-REFA OptiPlex 5090 is a refurbished grade A small form factor desktop computer. It is powered by an Intel Core i5-11500 6-Core Processor at 2.70GHz, with 16GB DDR4 RAM and a 256GB M.2 2230 PCIe NVMe SSD. This unit includes Windows 10 Pro 64-Bit, Intel UHD Graphics 750, and Ethernet connectivity with Intel I219 10/100/1000 Mbps. A Dell KB216 wired keyboard and optical mouse are included.