intel® core™ processors

New Alienware X51 Gaming Desktop

Total versatility. Endless possibility.

All the power you want in any room you choose. Connect to your monitor or big screen TV and enjoy full PC gaming performance.
Operating System
  • Windows 8.1  
    • Up to 16GB* Dual Channel DDR3 SDRAM at 1600Mhz - 2 DIMMS
Hard Drive
  • Up to 2000GB* SATA hard drive (7200RPM)
  • Up to 1000GB* SATA hard drive (5400RPM)
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 Card
  • 1.0GB GDDR5 NVIDIA® GeForce® GTX 6454 (Standard)
    1.5GB GDDR5 NVIDIA® GeForce® GTX 6604
    2.0GB GDDR5 NVIDIA® GeForce® GTX 6704
Sound Card
  • Audio and Speakers
    Internal High-Definition 7.1 Performance Audio with WAVES MAXX Audio (Standard)
  • Networking and Wireless
    Integrated 10/100/1000Mbps Gigabit Ethernet NIC (Standard)
    DW 1506 802.11 b/g/n Wi-Fi Wireless LAN (Standard)
  • Chassis Dimensions & Weight

    Front-Height: 13.504” (343mm)
    Rear-Height: 12.54” (318.5mm)
    Depth: 12.52” (318mm)
    Width: 3.74” (95mm)
    Starting at Weight” 12.1lbs (5.49 Kg.)

    External Chassis Connections

    (2x) SuperSpeed USB 3.0
    (1x) Microphone In
    (1x) Headphone/Speaker Out

    (1x) On-board HDMI 1.4 Output
    (1x) RJ-45 Gigabit Ethernet
    (2x) Hi-Speed USB 3.0
    (4x) 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)

    Internal Chassis Connections
    (3x) SATA 6.0Gb/s Ports
  • Memory Slots
    2x 240-Pin DDR3 SDRAM Slots

  • Chipset
    Intel® H61 Express Chipset with 3rd Generation Processors (Standard)
    Intel® H87 Express Chipset with 4th Generation Processors

    Color Options
    Matte Stealth Black with Dark Chrome Accents (Standard)

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

    Motherboard Class
    Mini-ITX Motherboard

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

    Processor Cooling
    Alienware™ High-Performance Air Cooling


    Alienware Command Center

Features & Design

Available with Windows 8 — designed for a smooth, versatile PC experience.
Alienware X51
Virtual design for virtually any space
Easily bring high-performance PC gaming into any room in your house. Whether you’re connected to a monitor or an HDTV, the versatile Alienware X51 lets you experience big-screen gaming wherever you want it.
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Mind-blowing visuals and sound
Gaming, movies and other images jump off the screen with the powerful NVIDIA® graphics, Full HD, 3D and Blu-ray capabilities of the Alienware X51. For those seeking a system that can handle high-performance video and audio content creation, look no further than Alienware X51.
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Expansive experience
Play your way, now and in the future. With WiFi and ample front and rear I/O (input/output) ports (including a total of up to eight USB ports), the Alienware X51 is engineered to help you customize your gaming and entertainment experience. And the ability to upgrade key components means your X51 will help you dominate games well into the future.
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Alienware X51
Victory is yours
The key to any victory is preparation. With the Alienware X51 you can have up to the high performance of 4th Gen Intel® Core™ processors, graphics and storage you need to overwhelm your opponents now and into the future.
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Gaming and more
The Alienware X51 is a powerful PC ready to not only take on your fiercest gaming challenges, but whatever else comes your way. Email, shopping and social networking are a breeze on the X51.
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Ultimate control. All from one place.
Take control of the game. And feel the intensity. The redesigned Alienware Command Center 3.0 lets you choose lighting and special effects, accelerate your gaming performance, monitor in-game results, and more — all in one hub.

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Launch games your way with personalized shortcuts in Game Mode, maximize performance with the new Accelerator feature, and keep an eye on resource consumption with Performance Monitoring.
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AlienFX system lighting
Create custom lighting to suit your unique gaming style. Apply 20 different colors to 3 different zones for up to for 8,000 color combinations.
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Access your system’s power-management controls so you can decide when you need maximum performance or when to scale back for more everyday programs.
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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.
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. Look for these items at checkout.

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Alienware TactX keyboard
The new Alienware TactX keyboard is packed with the ultimate gaming experience — giving you power and performance at your fingertips.

Alienware TactX headset
The new Alienware TactX headset is engineered for high-quality audio performance with custom-engineered soundscape and optimized to single out key in-game sounds.

Alienware TactX mouse
The Alienware TactX premium gaming mouse allows you to set up, customize and save macros to the mouse’s on-board memory for true plug-and-play performance.

Dell UltraSharp monitors
Award-winning Dell UltraSharp monitors boost your play with vivid color and uncompromised
performance, perfect for graphics-intensive gaming.

Alienware Gaming Services

Alienware Gaming Services puts a team of trained technicians in your corner — gamers who can walk you through installation, setup and more. Our techs can also assist you in customizing, personalizing and optimizing your games to enhance your gaming experience.
Alienware X51
©2013 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries.

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