• Dell recommends Windows.

One-stop gaming and entertainment system.

Experience epic gaming and entertainment on a compact gaming desktop available with up to 3rd Gen Intel® Core™ processors and HD graphics.

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Available with Windows 8 — designed for a smooth, versatile PC experience.

Alienware X51 Desktop

Accept the challenge.

Pure processing power.
Alienware X51 packs options including the powerful 3rd Gen Intel® Core™ i7 processor: The brains leading you to epic new victories.
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You've got speed.
Run several high-end applications with ease. Alienware X51 offers up to 8GB of high-performance dual-channel DDR3 memory.*
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Alienware X51 Desktop

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.
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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.
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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 Desktop

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 Desktop

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 Desktop

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 Desktop
Accessories: At Dell™.com, you'll find a vast arsenal of electronics and accessories designed to enhance your gaming and multimedia experience, including headsets, keyboards and mice.
Alienware X51 Desktop
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

Processor Help Me Choose

  • 3rd Generation Intel® Core™ i5-3330 (6M Cache, up to 3.0 GHz)
  • Intel® Core™ i3-3220 3.3GHz (3MB Cache) with Hyper-Threading and Turbo Boost Technology 2.0
  • 3rd Generation Intel® Core™ i7-3770 (8M Cache, up to 3.4 GHz)

Operating SystemHelp Me Choose

  • Windows® 7 Home Premium, 64Bit, English
  • Windows 8, 64-bit, English
  • UBUNTU Linux 12.04

Memory*

    • Up to 8GB* Dual Channel DDR3 SDRAM at 1333Mhz - 2 DIMMS
    • Up to 16GB* Dual Channel DDR3 SDRAM at 1600Mhz - 2 DIMMS

Hard Drive Help Me Choose

  • Up to 2000GB* SATA hard drive
  • Up to 1000GB* SATA hard drive (7200RPM)

Optical Drive

  • Slot-Loading Dual Layer DVD Burner (DVD+-RW, CD-RW) (Standard)
    Slot-Loading Dual Layer Blu-ray Reader (BR-ROM, DVD+-RW, CD-RW)

Video CardHelp Me Choose

  • 1GB GDDR5 NVIDIA® GeForce® GTX 645
  • NVIDIA® GeForce® GTX 660 1.5GB GDDR5

WirelessHelp Me Choose

  • DW1506 Wireless-N WLAN Half Mini-Card

Sound Card

  • Internal High-Definition 7.1 Performance Audio with WAVES MAXX Audio (Standard)

Ports

  • 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)

Chassis

  • Physical System Dimensions
    Height:
    Front-Height: 13.504"  (343mm)
    Rear-Height: 12.54" (318.5mm)
    Depth: 12.52" (318mm)
    Width: 3.74" (95mm)
    Starting Weight: 12.1 lbs (5.49 Kg)

    Color
    Matte Stealth Black with Dark Chrome Accents

    Processor and Core Architecture


    Processor Cooling
    Alienware™ High-Performance Air Cooling

    Chipset Architecture
    Intel® H61 Express Chipset

    Motherboard Class
    Mini-ITX Motherboard

    Software

    Alienware Command Center
    AlienAdrenaline
    AlienFX™
    AlienFusion

    Software Personalization Options
    AlienFX™ System Colors
    Personal Avatar

    Power

     
    Alienware™ 240 Watt Power Supply (Standard)
    Alienware™ 330 Watt Power Supply

Regulatory

alienware x51 laptop
Readers’ Choice Award
Alienware “Its customer like what they are buying.”
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CNET
4/5 Rating
Alienware has successfully brought its brand to an affordable, suitably stylized package, and I can recommend the X51 to anyone in the market for a mainstream gaming PC.
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Computer Shopper
4/5 stars and ‘Editor’s Choice’
Its gaming performance is impressive for both its size and its price, and the case’s lighting scheme and sleek lines give it a style that’s intimidating without going over the top.
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Hot Hardware
Editors' Choice
In that regard, gaming performance of the X51 was, for all intents and purposes, the fastest of the bunch among the other full-sized systems we tested.
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PC Mag
4/5 stars and ‘Editor’s Choice’
Nice performance from a compact system. Easy-to-service interior. USB 3.0 ports. HDMI video output. Up to three monitor support. Integrated Wi-Fi.
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Alienware X51 Desktop
PCWorld’s Top 5
The Alienware™ X51 proves that big things can come in small packages, offering excellent gaming performance in a slim chassis.
Read Article>
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*DELL PREFERRED ACCOUNT (DPA): Offered to U.S. residents by WebBank, who determines qualifications for and terms of credit. Promotion eligibility varies and is determined by WebBank. Taxes, shipping, and other charges are extra and vary. Payments equal 3% of your balance or $20, whichever is greater. Minimum Interest Charge is $2.00. Rates range from 19.99% - 29.99% variable APR, as of 3/31/2013, depending on creditworthiness.

12 MONTHS SPECIAL FINANCING ON SMART LED TVs is a no interest if paid in full by June, 2014 financing promotion available on Smart LED TVs from 5/2/2013 through 5/29/2013. Interest will be charged to your account from the purchase date if the purchase balance is not paid in full by your payment due date in June, 2014, or if you make a late payment.

12 MONTHS SPECIAL FINANCING ON CANON SLR AND POINT & SHOOT CAMERAS is a no interest if paid in full by June, 2014 financing promotion available on Canon SLR and Point & Shoot cameras from 5/2/2013 through 5/29/2013. Interest will be charged to your account from the purchase date if the purchase balance is not paid in full by your payment due date in June, 2014, or if you make a late payment.

FOR ALL SPECIAL FINANCING PROMOTIONAL OFFERS: If not paid by end of promotional period, account balance and new purchases will be subject to the Standard APR rates, which range from 19.99% - 29.99% variable APR, as of 3/31/2013, depending on creditworthiness. Offers subject to credit approval and may be changed without notice.
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