Dell OptiPlex 755 19-Inch LCD monitor (2.0 GHz Intel Dual-Core CPU, 4GB DDR2, 160GB HDD, Windows 10 Home) Black/Silver - (Certified Refurbished) Windows 10 Home What Runs It: Core 2 Duo 2.0GHz Processor What's Inside: New 4GB DDR2 RAM, 160GB Hard Drive, 19in LCD Monitor (Brands may vary) 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.