Dell XPS 8900 Premium Flagship Desktop Computer (Intel Quad-Core 6th Generation i7-6700, 16GB RAM, 1TB HDD, NVIDIA GeForce GTX 745 with 4GB DDR3, DVD, Wifi, Windows 10) (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Processor: Intel Quad-Core 6th Generation i7-6700 Processor (8M Cache, up to 4.0 GHz)/ NVIDIA GeForce GTX 745 with 4GB DDR3 Memory: 16GB DDR4 2133MHz (2-DIMM, 8GBx2), 4 slots, up to 32GB/ 1 TB 7200 rpm Hard Drive/ Front I/O Ports: 19 in 1 Card Reader, (2) USB 2.0 Ports (Top), (2) USB 3.0 Ports, (1) Microphone-in, (1) Headphone; Rear I/O Ports: (4) USB 3.0, (2) USB 2.0, (1) HDMI, (1) DisplayPort, (1) RJ-45, (4) Audio, (1) Microphone, (1) Line-in Windows 10 64bit English, Dell USB Laser Mouse (Wired), Dell KB213 Wired Multimedia Keyboard, Dell Wireless-N 1704 802.11bgn + Bluetooth 4.0