Dell Optiplex 960 SFF Business High Performance Desktop Computer PC (Intel 2 Duo 3.0GHz, 4GB DDR3 Memory, 750GB HDD, DVDRW, Windows 10 Professional) (Certified Refurbished) This Certified Refurbishd 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, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbishd products on Amazon.com Intel Core 2 Duo 3.0GHz Processor, 6MB Cache. SuperMulti DVD+/-W Drive (Reads and Writes to DVD/CD) 4GB DDR2 (800Mhz) Memory (4 slots, supports up to 8GB), 750GB 7200 rpm Hard Drive, Intel HD Graphics USB Keyboard, Mouse, Integrated Audio, 10/100/1000Mbps LAN; Slots: 8 x USB 2.0 ports, 2 x audio-out jacks, 1 x microphone jack, 1 x RJ-45 Ethernet port, 1 x VGA port, 1 x line-in jack, 1 x parallel port, 1 x serial communication port Windows 10