Richard Poulin III  Posted on Jan 5, 2012
Alienware X51 Desktop

Alienware X51 Desktop

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Unleash your inner hero with Alienware X51...

This powerful, versatile desktop delivers an immersive HD gaming experience so you can meet any challenge. Enjoy amazing visuals with desktop graphics card options, including the powerful 1GB GDDR5 NVIDIA GeForce GTX 555 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.

Alienware X51 Gaming Desktop PC Financing>>>

alienware x51 bundle financed

Alienware X51 With Samsung Monitor Financed

Alienware X51 Key Features

Accept the challenge.

Alienware X51 offers powerful digital entertainment, customization options and upgradeability in a size designed to fit any space. With a 3D Mark Vantage Performance Overall Score of up to 15,310 and a PC Mark Vantage Overall Score of up to 10,531, Alienware X51 is a system that’s ready to help you face the challenge.

alienware x51 graphics for greatness

Graphics For Greatness

Graphics for greatness.

Whether you’re watching the latest sci-fi blockbuster or taking in every detail of the newest high-end video game at 1080p resolution, you need epic graphics capabilities to put you in the center of the action. Alienware X51 delivers with graphics card options up to 1GB GDDR5 NVIDIA GeForce GTX 5551 for a stunningly immersive experience. Plus, Alienware X51’s desktop components can be upgraded anytime

Pure processing power.

Alienware X51 is available with a wide range of dual and quad-core processor options, up to the powerful 2nd Generation Intel Core i7-2600 3.4GHz with an 8MB internal cache. Processors featuring Intel® Turbo Boost Technology 2.0 or Hyper-Threading Technology allow even greater performance, so you can take on the most demanding applications from games to multimedia.

You’ve got speed.

Processors give you the power, but Alienware X51 also features memory options up to 8GB dual-channel DDR3 with 1333MHz system memory1. Alienware X51 has the memory you need to tackle high-performance gaming and multimedia applications with ease, so you can be sure that not even the most imposing obstacles will hold you back.

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.

alienware x51 release your potential

Release Your Potential

A small system hides big entertainment power.

Alienware X51 delivers an immersive entertainment experience in any environment, from the bedroom to the living room and anywhere in between. Eight USB ports allow you to connect peripherals from the rear or the front, and it can be positioned either lying flat or standing upright to best fit your gaming setup.

With the HDMI 1.4 port, you can connect 3D TV and gaming hardware, so your games and movies will envelop you. Optional Blu-ray and Full HD 1080p support for any size display will lead you into other worlds, while quiet operation ensures that system noise won’t ruin the experience. And for those seeking a system that can handle high-performance video and audio content creation, look no further than Alienware X51.

Build. Modify. Adapt.

Alienware X51’s compact size hides near-limitless customizability and upgradeability. Alienware X51 is available with a variety of factory-customized configurations to fit your needs. And if you decide you want to add even more muscle to your machine later, Alienware X51 is designed for you to easily swap out desktop-class CPUs, graphics cards, hard drives and memory.

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.


alienware x51 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.


alienware x51 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.


alienware x51 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.

Complete your Alienware X51 experience

Your Alienware X51 is just the start. When you buy from Dell, you can get much more than just a gaming system. You can customize an experience that’s just right for you.

alienware x51 complete your experience

Complete Your Experience

Accessories: At, you’ll find a vast arsenal of electronics and accessories designed to enhance your gaming and multimedia experience, including headsets, keyboards and mice.

Services: Whether you have technical questions or simply need help setting up your new PC, you can count on Dell. Choose from our menu of no-hassle PC services — from everyday troubleshooting to long-term support.

Alienware X51 Technical Specifications

  • Monthly Price $140.00

Monitor Description

  • Samsung 23″ 300 Series FHD LED Monitor:Samsung’s LED monitors deliver a visually stunning picture quality that leaves you speechless. Just as you’ve seen in Samsung LED TV’s, their LED monitors make colors more rich and the action more real than you’ve dreamt possible. Let the story come to life with vivid colors and crystal-clear detail. Engineered with ecologically responsible consumers and businesses in mind, Samsung’s LED technology reduces power consumption up to 40%–making our LED displays much more efficient than conventional LCD monitors. Your monitor will stay cool to the touch, even after a long day of hard work. Lower your monitor’s power consumption without sacrificing performance with an LED backlight.


  • Breakthrough Picture Quality with LED Technology
  • Consume Less Energy and Run Cooler
  • Ultra-Slim Design
  • Perfect Viewing from Every Angle
  • Type: Gaming
  • Manufacturer: Alienware
  • Series: X51
  • Computer Case: X51
  • Colors: Matte Stealth Black with Dark Chrome Accents
  • CPU: Intel Core i3-2120
  • CPU Speed:(3MB Cache) with Hyper-Threading Technology
  • Motherboard: Mini-ITX Motherboard Intel H61 Express Chipset
  • Memory: 4GB (2x2GB) Dual Channel DDR3 at 1333MHz
  • Memory Max: Up to 8GB Dual Channel DDR3 SDRAM at 1333Mhz – 2 DIMMS
  • Hard Drive: 1TB SATA 6Gb/s (7,200RPM) 32MB Cache
  • Optical Drive: Slot-Loading Dual Layer DVD Burner (DVD±RW, CD-RW)
  • Monitor Samsung: 23-inch Class 300 Series FHD LED Monitor
  • Monitor Size: 21.5" (W) x 15.9" (H) x 7.8" (D)
  • Graphics: NVIDIA GeForce GT 545
  • Graphic Memory: 1GB GDDR5
  • Audio: Internal High-Definition 7.1 Performance Audio with WAVES MAXX Audio
  • Keyboard: TactX Full-sized Keyboard w/ 6 programmable macros and AlienFX
  • Mouse: Alienware TactX Gaming Mouse w/ AlienFX
  • Network: DW1502 Wireless-N WLAN Half Mini-Card, RJ-45 Gigabit Ethernet

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)
  • Power: Alienware 330W External Power Supply
  • Dimensions: Front-Height: 13.504" (343mm) Rear-Height: 12.54" (318.5mm) Depth: 12.52" (318mm)
  • Width: 3.74" (95mm)
  • Weight: 12.1 lbs (5.49 Kg)


  • Operating System: Genuine Windows 7 Home Premium, 64Bit, English
  • Alienware Command Center: AlienAdrenaline, AlienFX, AlienFusion
  • AlienFX System Colors

  • Personal Avatar
  • Adobe Acrobat Reader
  • Steam and Portal Factory Installed

Manufacturer Warranty

  • 1 Year Basic Service Plan
    Whether you have technical questions or simply need help setting up your new PC, you can count on Dell. Choose from our menu of no-hassle PC services — from everyday troubleshooting to long-term support

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