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intel® core™ processors

New Alienware X51

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.
Starting at $1,899.00*
4th Generation Intel® Core™ i7-4790 processor (8MB Cache, up to 4.0GHz)
Operating System
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Windows 8.1 (64Bit) English
Microsoft Office 2013
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Microsoft® Office trial
Office 365
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-- NONE --
Security Software
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McAfee Live Safe 12 month Subscription
Adobe Creativity and Productivity Software
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-- NONE --
No Monitor
8GB Dual Channel DDR3 at 1600Mhz (2x4GB)
Hard Drive
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256GB SSD SATA 6Gb/s + 1TB 5400RPM SATA 3Gb/s
Video Card
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NVIDIA® GeForce® GTX 745 with 4GB DDR3
Optical Drive
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Slot-Loading Dual Layer DVD Burner (DVD±RW, CD-RW) (Standard)
Alienware Standard USB 2.0 Keyboard (English)
Alienware Standard Optical Mouse
Dell Wireless 1550 (2x2 11ac combo with Bluetooth)
AlienFX System Lighting - Nebula Aqua
1Yr ProSupport: Next Business Day Onsite Service
Sound Card
Audio and Speakers
Internal High-Definition 7.1 Performance Audio with WAVES MAXX Audio (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

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
 Free hard drive upgrade

New Alienware X51

Online Price$1,899.00*
Price includes GST & delivery

E-Value Code:

Features & Design

Available with Windows 8 - for a smooth, versatile PC experience.
Get the Windows 8.1 update: Increase productivity with a free update from the Windows Store for great new apps and features.
Alienware X51

Virtual design for virtually any space

Mind-blowing visuals and sound

Expansive experience

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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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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Play your way, now and in the future. With WiFi and ample front and rear I/O ports (including a total of 8 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 the high-performance 4th Gen Intel® Core™ processors, graphics and storage you need to overwhelm your opponents now and into the future.

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Alienware X51
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. Choose between Windows and Ubuntu operating systems to manage your system your way.

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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.
Alienware X51
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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Alienware X51
AlienFX system lighting
Create custom lighting and special effects to suit your unique gaming style. Apply 20 different colors to 3 different zones for 8,000 color combinations.

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Alienware X51
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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Alienware X51


Alienware X51
First generation vs. New Alienware X51 Gaming Performance
The chart above 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%.
Alienware X51
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 increases in performance by configuration with a focus on CPUs and GPUs, respectively.
Alienware X51
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.

Accessories & Services

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 the checkout.
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 the checkout.
Alienware TactX™ Mouse
Alienware TactX™ Mouse
Featuring AlienFX customisable lighting and on-the-fly DPI switching for pin-point accuracy.

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Alienware X51
Alienware TactX™ Keyboard
Be battle-ready with programmable macro keys and exclusive AlienFX™ customizable lighting for two zones.

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

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Dell Services will help keep you connected and productive throughout the life of your PC.
From the moment you take your new Dell product out of the box, our team of advanced technicians is standing by to help you make the most of it.

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Dell ProSupport – Hardware and software phone support 24/7 with onsite services after remote diagnosis. Whether you need help setting up and customizing your new system, connecting to a printer, router or mobile device or securing your network and data, our pros make it easy.

Ratings & Reviews

“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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Drivers, Manuals & Support

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

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