Alienware X51 Desktop

intel® core™ processors
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One-stop gaming and entertainment system.

Experience immersive HD gaming and entertainment from this compact desktop, packed with all the power your games demand.

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Alienware X51 Desktop






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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


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® 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 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

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)

Sound Card

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


  • 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)


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

    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


    Alienware Command Center

    Software Personalization Options
    AlienFX™ System Colors
    Personal Avatar



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