Dell XPS 8700 Desktop, Intel Core 4th Generation i7-4790, 16GB DDR3, 1TB HDD, NVIDIA GeForce GTX 745 with 4GB DDR3, DVD Burner, Windows 8.1 (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 Core 4th Generation i7-4790 (Quad Core HT, 3.60GHz Turbo)/ NVIDIA GeForce GTX 745 with 4GB DDR3 16 GB Dual Channel DDR3 at 1600MHz/ 1 TB 7200 rpm Hard Drive/ Dell USB Laser Mouse (Wired), Dell KB213 Wired Multimedia Keyboard, Dell Wireless-N 1704 802.11bgn + Bluetooth 4.0 Windows 8.1, Free upgrade to Windows 10, DVD +/- RW Drive, 19-in-1 media card reader, 6 USB 3.0 ports, 4 USB 2.0 Ports, 1 HDMI