calculator dell i3- Desktop Dell OptiPlex 3080 MT, Tower with 260W up to 85% efficient Power Supply (80Plus Bronze), Intel(R) Core(TM) i3-10100, 4GB (1X4GB) DDR4 non-ECC Memory, 3.5 inch 1TB 7200rpm SATA Hard Disk Drive, Intel Integrated Graphics, Dell OptiPlex, 8x DVD+/-RW 9.5mm Optical Disk Drive, Trusted Platform Module (Discrete TPM Enabled), EPEAT 2018 Registered (Silver), ENERGY STAR Qualified, Chassis Intrusion Switch - Tower, Speaker for Tower and SFF, No Wireless LAN Card, Dell Wired Keyboard KB216 Black (US/International), Dell Optical Mouse-MS116 - Black , I/O Ports: 1x RJ-45 port 10/100/1000 Mbps (rear), 2x USB 2.0 ports (front), 2x USB 3.2 Gen 1 Type-A ports (front), 2x USB 2.0 ports with Smart Power on (rear), 2x USB 3.2 Gen 1 Type-A ports (rear), 1x Universal Audio Jack (front), 1x Line-out re-tasking Line-in audio port (rear), 1x DisplayPort 1.4 (rear), 1x HDMI 1.4 port (rear), 1x Optional 3rd Video Port (VGA/DP 1.4/HDMI 2.0b), 1x Serial port (optional), 1x Kensington security-cable slot, 2x SMA connectors (optional), Dimensions and weight : Height:Front: 324.30 mm, Rear: 324.30 mm, Width: 154.00 mm, Depth: 292.20 mm, Weight (maximum):5.35 kg, Ubuntu Linux 18.04, 3Yrs Basic Onsite Service Extension