Dell 755 Desktop - Intel Core 2 Duo 3.16GHz, 4GB DDR2, 500GB HDD, Windows 7 Professional 64-Bit, 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 ample storage of your digital media files! Model: Dell OptiPlex 755 Small Form Factor - Core 2 Duo 3.16GHz, 4GB RAM - Ports: (1) Display Port, (1) VGA port, (1) eSATA, (2) line-in (stereo/microphone), (2) line-out (headphone/speaker), (8) USB 2.0 ports (2 front, 6 rear), (1) Parallel port, (1) Serial port, (1) RJ-45 - Networking: WiFi & Ethernet LAN 10/100/1000. Software: Comes Pre-Installed with NEW Windows 7 Professional 64-Bit Operating System Whats in The Box? Refurbished Dell OptiPlex 755 SFF with Power Cable, New ReCircuit USB Keyboard, Mouse & Mousepad!