HP Desktop with AMD E1-1500 Processor, 4GB DDR3, 500GB HDD NO Operation System (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty. NO Operation System Included. Perfect for People with Experience to DIY Operating System Installation. Great basic Computer for Everyday Use. Comes with Keyboard and Mouse. AMD E1-1500 1.48 GHz, 4 GB DDR3 (1 user accessible slot), 500 GB 7200 RPM HDD, AMD Radeon HD 7310; SuperMulti DVD, 6 USB 2.0, 1 VGA, 1 DVI, RJ45, 10/100Mbps LAN, 6 in 1 Media Card Reader; HP Debranded. Logo covered by removable decal. Contact seller for warranty support.