HP 6005 Pro - AMD Phenom II x4 3.0GHz Quad Core, 500GB Hard Drive, 4GB RAM, Windows 7 Pro, WiFi (Certified Refurbished) This Certified Refurbished 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, a minimum 90-day warranty, and may arrive in a generic box. Only Select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com. Storage: 500GB Hard Disc Drive for all your Digital Media files! Model: HP 6005 Pro SFF Desktop PC - AMD Phenom X4 Quad Core 3.0GHz, 4GB DDR3 Memory - (10) USB 2.0 (4 Front, 6 Back), (1) RJ-45, (1) VGA, (1) Display Port, (1) Microphone, (1) Headphone, 240w Power Supply. Software: Comes Pre-Installed with *NEW* Windows 7 Professional 64-Bit Operating System Whats in The Box? Refurbished HP 6005 Pro SFF Desktop with Power Cable, New ReCircuit USB Keyboard, Mouse & Mousepad!