OP5070SFF1N30C - OptiPlex 5070 MLK i5 99500 8GB (1DIMMS) 256GB SS INTEL HD NA ROM NOWRLS W10 SFF. Intel Core i5-9500 (6 Cores/9MB/6T/3.0GHz to 4.4GHz/65W); supports Windows 10/Linux. 8GB 1X8GB DDR4 2666MHz UDIMM Non-ECC. M.2 256GB PCIe NVMe Class 35 Solid