Lenovo 510S 08IKL 90GB000QIN Traditional Desktop Intel Core i3 7100 3.90 GHz 4GB 1TB DOS Intel Core i3 7100 7th Gen 3.9GHz Processor / 4GB DDR4 Memory Up to 16 GB Expandable, 2 x DIMM Slots / 1TB 7200 RPM Hard Disk / DVD / WiFi 802.11 b/g/n or ac / LAN 10/100/1000 / Bluetooth 4.0 / Rear Ports : 1 x VGA, 1 x HDMITM, 3-in-1 Audio (Microphone-in, Line-in, Line-out), LAN 10/100/1000, 2 x USB 3.0, 2 x USB 2.0 / Front Ports : 7-in-1 Multi Card Reader (SD, SDHC, SDXC, MMC Plus, MMC, MS, MS Pro), 3 x USB 3.0, ODD 2-in-1 Audio (Microphone-in, Line-out) / DOS / 1 Year Onsite Warranty