Dell Optiplex (Intel Core 2 Duo 2.9Ghz Processor, 1TB HDD, 8GB RAM, Windows 10 Home x64) Windows 10 x64. Featuring: Core2Duo 2.9GHz CPU, New 8GB of RAM, 1TB Hard Drive, DVD Player. This certified reconditioned product is tested and certified by the manufacturer or by a third-party seller to look and work like new, with some signs of wear. The reconditioning process includes functionality testing, inspection and repackaging. Includes: New Keyboard, Mouse, USB Wireless WiFi adapter.