Dell Optiplex Desktop Computer PC (Intel Dual-Core Processor 2.5GHz, 8GB DDR3 Memory, 500GB HDD, DVDRW, Windows 10 ) (Certified Refurbished) This Certified Refurbishd product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with relevant accessories, a minimum 90-day warranty, and may arrive in a generic white or brown box. Accessories may be generic and not directly from the manufacturer. Only select sellers who maintain a high performance bar may offer Certified Refurbishd products on Amazon. 8GB DDR3 Memory, 500GB Hard Drive This product comes with Windows 10 SuperMulti DVDRW Drive (Reads and Writes to DVD/CD), USB Keyboard, Mouse, Integrated Audio, 10/100/1000Mbps .