PC Dell OptiPlex 3000 Tower: Intel® Core™ i3-12100 Processor (18M Cache, up to 4.40 GHz)/ 8GB DDR4 UDIMM 3200MHz/ 256GB M.2 PCIe NVMe 2230/ Intel® UHD Graphics/ Dell 8x DVD+/-RW 9.5mm Slimline/ Rear: 6. HDMI 1.4b 7. DisplayPort 1.4 8. USB 3.2 Gen1 Type-A (2) 9. USB 2.0 with Smart Power On (2) 10. FHC PCIe Expansion 1 (2) 11. Power Connector 12. Power Diagnostic Light 13. Optional Port: VGA/DP 1.4/HDMI 2.0b/USB Type-C 14. Optional Port: Serial/PS2 15. Ethernet RJ-45 Port 16. FH PCIe Expansion 16 17. Cable Lock/ Dell Optical Mouse - MS116 Black / Dell Wired Keyboard - KB216 Black/ Ubuntu Linux 20.04