Let your hero out.
Unleash your inner hero with Alienware™ X51. This powerful, versatile desktop delivers an immersive HD gaming experience so you can meet any challenge.
This auction does not include keyboard, mouse and monitor.

• Enjoy amazing visuals with desktop graphics card options, including the powerful 1GB GDDR5 NVIDIA® GeForce® GTX 5552 and speedy Intel® Core™ i7-2600 processors.
• Experience big HD gaming without a big box. On its side or standing upright, it's designed to fit any living space.
• Easily upgrade your core components to keep pace with the latest games and digital entertainment.

Graphics for greatness.

• Accept the challenge. Alienware X51 lets you take in every detail with graphics options including the 1GB GDDR5 NVIDIA® GeForce® GTX 5552 discrete graphics card.
• Pure processing power. Alienware X51 packs processor options including the powerful quad core Intel® Core™ i7: the brains leading you to epic new victories.
• You've got speed. Run several high-end applications with ease. Alienware X51 offers up to 8GB of high-performance dual-channel DDR3 memory2.

Release your potential. There are always new obstacles to face and new challenges to conquer, and Alienware X51 will be with you every step of the way.

• A small system hides big entertainment power. Whether standing vertically or laying horizontally, Alienware X51 turns virtually any living space into a world of high-end entertainment possibilities.
• Build. Modify. Adapt. With Alienware X51, desktop component upgrades are a breeze. From CPU and graphics cards to HDD and memory, you can keep your components up to date when other machines go extinct.

Take command of your game domain.  Alienware Command Center software features a powerful suite of customization options to make your X51 your own. Don't just play a game. Play your game.

• AlienAdrenaline The new AlienAdrenaline feature enables Game Mode, which lets you give each of your games a unique profile on your system. Disable unnecessary programs and activate your music player when you launch one game, or bring up key Web links when you launch another.
• AlienFX AlienFX® System Lighting Technology gives you access to a variety of themes and 8,000 distinct lighting combinations, so you can personalize as much as you like. Customize your system with game themes that respond to many in-game events with unique lighting effects to complete your immersion.
• AlienFusion AlienFusion power management controls allow you to configure your settings in order to maximize performance and efficiency while managing power usage. Crank up the settings for hardcore gaming and resource-intensive tasks, or scale it back for running everyday programs.

Features:

• Speed to victory Propel yourself quickly into the action with the Intel® Core™ i7-2600 3.4GHz including 8GB Dual Channel DDR3 at 1333MHz.
• Get a stunningly immersive experience with 1GB GDDR5 NVIDIA® GeForce® GTX 555 graphic card.
• Amazing in any space Enjoy your gamming up close and your HD movies from across the room - Alienware X51 offers great entertainment in any environment.
• High definition for spectacular visuals sit, relax and be entertained with Blu-ray and Full-HD capability.
• Fully immersive 3D Step into the action with 3D tv and 3D gaming capabilities, available via the HDMI port.
• Customize to fit your personality Alienware Command Center software and AlienFX give you acces to an incredible number of lighting and themes.
• Upgrade easily Swap out CPUs, graphic cards, hard drives and memory with ease with this fully upgradeable system

Technical details:

• Operating system: Genuine Windows® 7 Home Premium, 64Bit, English    
• Processor: Intel® Core™ i7-2600 3.4GHz (8MB Cache) with Hyper-Threading and Turbo Boost Technology 2.0    
• Hard drive: 1TB SATA 6Gb/s (7,200RPM) 32MB Cache
• Memory: 8GB (2x4GB) Dual Channel DDR3 at 1333MHz    
• Video card: 1GB GDDR5 NVIDIA® GeForce® GTX 555
• Sound Card: Internal High-Definition 7.1 Performance Audio with WAVES MAXX Audio   
• Wireless: DW1502 Wireless-N WLAN Half Mini-Card    
• Optical drive: Slot-Loading Dual Layer DVD Burner (DVD±RW, CD-RW)
• Front I/O Ports
  • (2x) Hi-Speed USB 2.0
  • (1x) Microphone In
  • (1x) Headphone/Speaker Out
• Rear I/O Ports
  
  • (1x) On-board HDMI 1.4 Output
  • (1x) RJ-45 Gigabit Ethernet
  • (4x) Hi-Speed USB 2.0
  • (2x) SuperSpeed USB 3.0
  • (1x) Front Left/Right Speakers
  • (1x) Center Speaker
  • (1x) Rear Left/Right Speakers
  • (1x) Side Left/Right Speakers
  • (1x) SPDIF Digital Output (TOSLINK)
  • (1x) SPDIF Digital Output (Coax)
• Processor and Core Architecture
  • Processor Cooling: Alienware™ High-Performance Air Cooling
  • Chipset Architecture: Intel® H61 Express Chipset
  • Motherboard Class: Mini-ITX Motherboard
• AlienFX Color: Quasar Blue
• Chassis color: Matte Stealth Black with Dark Chrome Accents    
• Support: 1 Year Basic Service Plan
• Pre-intaller software: Steam and Portal™ Factory Installed Adobe Reader Software    Adobe® Acrobat® Reader    

Source:
http://www.dell.com