Dell Alienware X51 (R2) Desktop PC: Key Features and Benefits: Intel Core i7-4790 processor 4.0GHz, 8MB Cache 8GB DDR3 SDRAM system memory (expandable to 16GB) Gives you the power to handle most power-hungry applications and tons of multimedia work 1TB SATA hard drive Store 666,000 photos, 285,000 songs or 526 hours of HD video and more Slot-loading dual-layer DVD Burner Watch movies and read and write CDs and DVDs in multiple formats 10/100/1000Mbps Gigabit Ethernet, 802.11b/g/n Wireless LAN Connect to a broadband modem with wired Ethernet or wirelessly connect to a WiFi signal or hotspot with the 802.11b/g/n connection built into your PC NVIDIA GeForce GTX 745 With 4GB DDR3 of memory Additional Features: 6 x USB 3.0 ports, 2 x USB 2.0 ports, 1 x headphone/speaker out, 1 x microphone-in, 1 x RJ-45 Ethernet port, 2 x SPDIF digital outputs, 1 x HDMI port, 1 x rear left/right speaker out, 1 x microphone port, 1 x front left/right speaker out, 1 x side left/right surround speaker out, 1 x center (subwoofer) jack 1 x 5.25" bay, 1 x 3.5" bay Software: Genuine Microsoft Windows 8.1 64-bit Edition Microsoft Office Trial Backup and Restore options built into Windows allow you to create safety copies of your most important personal files, so you're always prepared for the worst Support and Warranty: 1-year in-home warranty Restore discs are not included (unless specified by supplier). We recommend you use the installed software to create your own restore and backup DVD the first week you use the computer. What's In The Box: Power cord Dell USB keyboard Dell optical mouse Quick Start Guide To see the manufacturer's specifications for this product, click here. To see a list of our PC Accessories, click here. Trade in your used computer and electronics for more cash to spend at Walmart. Good for your wallet and the environment - click here.