Dell Alienware X51 R3 AX51R3-5511BLK Signature Edition Gaming Desktop

Dell Alienware X51 R3 AX51R3-5511BLK Signature Edition Gaming Desktop

CAD $1,799.00

  • Desktop PC (no monitor)
  • Intel Core i7-6700
  • 8GB memory/2TB HDD
  • NVIDIA GeForce GTX 960 graphics
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Add $125.00


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  • Desktop PC (no monitor)
  • Intel Core i7-6700
  • 8GB memory/2TB HDD
  • NVIDIA GeForce GTX 960 graphics




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Go next level

Game like the pros with the Dell Alienware X51. This sleek and compact desktop rig pumps out loads of power, with a 6th Gen Intel Core i7 processor and lightning-quick NVIDIA GeForce GTX 960M graphics leading the charge. A massive 2TB hard drive has room for all your games, and 8GB of memory keeps everything rapidly humming along. Includes wired mouse and wired keyboard.

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Blistering NVIDIA graphics

Crank up the settings with NVIDIA GeForce GTX 960M graphics, which deliver blazing-fast performance and faster, smoother gameplay.

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Versatile design

The Alienware X51 can be positioned horizontally or vertically to fit most spaces, and all internal components are easily accessible for making upgrades.

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Powerful Intel Core i7 processor

Faster than ever, the sixth-generation Intel Core i7 delivers striking visuals and higher data transfer rates.

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Alienware Command Center

Get up to 8,000 possible lighting color combinations with Command Center software. Set triggers, make your system glow and blink, morph lights from one color to the next, and more.

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Ports aplenty

A total of 8 USB ports (including 4 USB 3.0 and 2 USB 3.1 Type-A) connect and charge an array of peripherals, while HDMI, DVI, and DisplayPort connections enable multi-display viewing.

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The best Windows yet

Windows 10 delivers faster start-ups, a familiar yet expanded Start menu, and great new ways to get stuff done across multiple devices.

The Microsoft difference

Microsoft Signature

Signature Edition PCs

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    No Junkware or 3rd party trialware

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    The best computer meticulously configured

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    World-class security software

More about Signature Edition >

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Powered by Windows

Discover new ways to work and play with Windows on all your devices. Be productive with Office, Skype with friends, watch movies and play games with Xbox, or access files anywhere with OneDrive.

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Support from Answer Desk

Enjoy worry-free technical support and protection. Our friendly Answer Techs can answer your questions, resolve your problems, and help safeguard your new device.

Tech specs


Intel Core i7-6700 3.40 GHz with Turbo Boost Technology up to 4.00 GHz


8GB DDR4 2133 MHz

Hard drive size

2TB 7200 RPM HDD

Operating system

Windows 10 Home, 64-bit

PC type


Optical drive

DVD +/- RW

Media drive



Integrated audio


NVIDIA GeForce GTX 960 with 2GB graphics memory, Intel HD Graphics 530


4 USB 3.0 (2 rear, 2 front) • 2 USB 3.1 Type-A • 2 USB 2.0 (rear) • 1 HDMI (on video card) • 3 DisplayPort (on video card) • 1 Headphone output (front) • 1 Microphone input (front) • 1 Alienware Graphics Amplifier port • 1 DVI (on video card) • 1 line-out • 1 center/subwoofer • 1 side L/R surround • LAN (10/100/1000)


802.11a/b/g/n/ac (Miracast enabled)


Bluetooth 4.0


12.53-13.50 x 12.52 x 3.74 in (318.26-342.90 x 318.00 x 94.99 mm)


12.30 lbs (5.57 kg)




Model number: Alienware X51 R3 AX51R3-5511BLK • Includes wired mouse and wired keyboard • TPM 2.0 • Keyboard travel: 2.3 mm

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