DELL OptiPlex 3000 Tower i5-12500 (6 Cores/18MB/12T/3.0GHz to 4.6GHz/65W); supports Win11/Win11 DG/Linux) 8GB (1x8GB) DDR4 M.2 2230 512GB PCIe NVMe Class 35 Solid State Drive 8x DVD+/-RW 9.5mm Slimline Optical Disk Drive Ubuntu Linux 20.04 3Y ProSupport and Next Business Day Onsite Service No Mouse