Dell OptiPlex 3000 Intel 12Gen Core i5 Processor up to 4.6Ghz 6-Cores 18M Cache , 4GB DDR4 Memory (Upgradable)  , 256 GB M.2 2230 PCIe NVMe SSD Class 35 , Intel® UHD Graphics 770 Graphics  , DVD R/W , USB Keyboard + USB Mouse,  1 Years Warranty , Dos