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Alienware X51 Gaming Desktop

windows 8
intel® core™ processors

Feel the thrill. Fill the room.

Compact and powerful mini gaming desktop with HD, 3D capabilities, high performance processors and graphics.

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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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AlienAdrenaline
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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AlienFusion
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.

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. 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.
Expect more with Dell.com

Expect more with Dell.com

Free shipping: Count on extra savings with free shipping and easy returns.*

Quick. Simple. Financing: Get low monthly payments with Dell Preferred Account™.*

Loyalty perks: Join the Dell Advantage program for exclusive benefits.

Learn More about Dell Advantage

Expert help: Award-winning service is standard with America’s Best Support.

Learn More
©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.

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

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

Communications

  • Networking and Wireless
    Integrated 10/100/1000Mbps Gigabit Ethernet NIC (Standard)
    DW 1506 802.11 b/g/n Wi-Fi Wireless LAN (Standard)

Ports

  • External Chassis Connections

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

    Rear
    (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

Slots

  • Memory Slots
    2x 240-Pin DDR3 SDRAM Slots

Chassis

  • 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

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

    Processor Cooling
    Alienware™ High-Performance Air Cooling

    Software

    Alienware Command Center
    AlienFX™
    AlienFusion
    AlienAdrenaline

First generation versus new Alienware X51 gaming performance

The chart below shows how far the performance has evolved on the Alienware X51 from its first generation launch on January 2012 to the current generation. Using 3DMark 2011 Extreme as a benchmark, you can see how the overall gaming performance has increased by up to 467 percent.

Previous generations 

First generation 

 New X51 

New Alienware X51 

 First generation vs. New Alienware X51 gaming performance

Overall processor and graphics performance

We've taken some of the key configurations offered and collected the 3DMark Vantage CPU benchmark scores and 3DMark for Windows Fire Strike scores to show a comparison of how performance increases by configuration with a focus on CPUs and GPUs, respectively.

Scaled 3DMark Vantage CPU score
Scaled 3DMark Vantage CPU Score
Scaled 3DMark for Windows Fire Strike graphics test
Scaled 3DMark for Windows Fire Strike Graphics Test

Real-time in-game performance

Using some of the major titles out there today like Bioshock Infinite and Tomb Raider we were able to use their built-in benchmark tools to measure how many frames per second the Alienware X51 can generate using the key configurations. Even with our lowest end configuration, the Alienware X51 can produce up to 41 frames per second at a resolution of 1920 x 1200.

Bioshock Infinite graphics settings

  Overall quality (Preset)  Medium
  Texture quality  Normal
  Anti-aliasing  On
  Texture filter  High
  Dynamic shadows  High
  Postprocessing  Normal
  Light shafts  On
  Ambient occlusion  Normal
  Object level of detail  Normal
  VSYNC  Off
  Diffusion  None

Bioshock Infinite performance in frames per second

Bioshock Infinite performance in frames per second


Tomb Raider graphics settings

  Overall quality (Preset) High
  Texture quality High
  Texture filter Anistropic 8x
  Hair quality Normal
  Anti-aliasing FXAA
  Shadows Normal
  Shadow resolution High
  Level of detail High
  Reflections High
  Depth of field Normal
  SSAO Normal
  Postprocessing On
  Tesselation Off
  High precision On
  VSYNC Off

Tomb Raider performance in frames per second

Tomb Raider Performance in frames per Second
Alienware X51 - Hot Hardware - Editor's Choice Award

Editor's Choice – 4/5 Stars

“The Alienware X51 R2 delivers a premium gaming experience in a compact design that's both stylish and well-suited for the living room.”
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