Dell /C2D3.0/4GB/1TB/XP: Dell Optiplex Desktop - Intel Core 2 Duo 3.0GHz - New 4GB DDR 2 RAM - 1TB HDD - Microsoft Windows XP Professional - WiFi - DVD/CD-RW - (Certified Refurbished) 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. 1TB Hard Drive. Model: Dell OptiPlex - Core 2 Duo 3.0GHz - New 4GB RAM - Networking: WiFi & Ethernet LAN 10/100/1000 - Slots: 1 low-profile PCIe x16, 2 low-profile PCI - Ports: 2 line-in (stereo/microphone), 2 line-out (headphone/speaker), 8 USB 2.0 ports (2 front, 6 rear), 1 VGA port, 1 parallel port, 1 serial port, 1 RJ-45 - Power supply: 235W Software: Comes Pre-Installed with NEW Windows XP Professional 32-Bit Operating System What's in The Box? Dell OptiPlex with New Power Cable, USB Keyboard, Mouse !