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intel® core™ processors

Member Purchase | Alienware X51 Gaming Desktop

Feel the thrill. Fill the room.

This powerful desktop enables a Full HD gaming experience on your big screen TV and is compact enough to fit on your desk.


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Features & Design

Available with Windows 8 — designed for a smooth, versatile PC experience.
Alienware X51
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.
Alienware X51
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 memory*. 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.
Alienware X51
Release your potential
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.
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.
Alienware Command Center: Take Command
Alienware X51
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® 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 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.


Alienware X51
Expect more with
Free Shipping: Count on extra savings with free shipping and easy returns.*
Flexible financing: Get affordable payment options with a Dell Preferred Account.*

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

Expert help: Award-winning service is standard with Alienware's Basic Support.

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Accessories & Services

Essential accessories for your Alienware X51
Essential accessories for your Alienware X51
Complete your Alienware X51 with any combination of Alienware TactX™ accessories and Alienware Vindicator bags designed to enhance and protect your gaming experience. Look for these great products and more at checkout.
Roccat Kone XTD Mouse
Roccat Kone XTD Mouse
Armed with the 8200 DPI Pro-Aim R3 Laser Sensor, the Easy-Shift[+]™ technology and four easy-to-clip-in, 5-gram weights, you’ll be the master of precision with the Roccat Kone XTD mouse.

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Klipsch KG-300 Wireless Gaming Headset
Klipsch KG-300 Wireless Gaming Headset
Immerse yourself in a virtual world with four EQ presets, detachable flex boom mic, mesh earpads and Dolby Digital decoding.
Alienware TactX™ Keyboard
Alienware TactX™ Keyboard
Be battle-ready with programmable macro keys and exclusive AlienFX™ customizable lighting for two zones.

Dell UltraSharp Monitors
Dell UltraSharp Monitors
Immerse yourself in rich colors and razor-sharp details with Dell FullHD UltraSharp monitors.

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Your Alienware X-51 comes with Alienware Basic Support
One year In-Home Service after Remote diagnosis*
Have a technician and/or part dispatched to your home following remote diagnosis if the issue is covered by Dell’s Limited Hardware Warranty. *
Look for these additional services at checkout
Alienware Enhanced Support
Includes In-Home Service after Remote diagnosis*, plus Premium Phone Support, offering 24/7 access to dedicated Alienware advanced support technicians for hardware and software assistance, including in-game repairs and troubleshooting.

Accidental Damage Service*
Let us repair or replace your system in the event of an accident. Accidental Damage service* covers surges and screen breaks, liquid spills, accidental drops and falls.

Ratings & Reviews


Drivers, Manuals & Support

Product Support
From drivers and manuals to diagnostic tools and replacement parts, Dell Product Support has you covered.

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