Alienware X51 Specs

Alienware X51 Specs

The Alienware X51 boasts a dual-orientation chassis that supports 7.1 surround-sound audio, in addition to an optional Blu-Ray disc drive just in case you want to enjoy your collection of Blu-ray discs on this instead of on your PS3 or dedicated Blu-ray player.

Alienware X51 Specifications

The X51 offers the Core i3, i5, and i7 variants of Intel’s Sandy Bridge processors, up to 8GB of RAM, and Nvidia GeForce GTX 545 or 555 graphics card, and 1TB of hard drive space. The slot-loading DVD-burner can be upgraded to a Blu-Ray drive, but 802.11n WiFi is built in to all models.

Even the entry-level configuration is at a Core i3 processor, 4GB RAM, 1GB NVIDIA GeForce GT 545 graphics, and a 1TB 7.200rpm hard drive.

X51 Processor

  • Intel® Core™ i3-2120 3.3GHz (3MB Cache) with Hyper-Threading Technology
  • Intel® Core™ i7-2600 3.4GHz (8MB Cache) with Hyper-Threading and Turbo Boost Technology 2.0
  • Intel® Core™ i5-2320 3.0GHz (6MB Cache) with Turbo Boost Technology 2.0

Operating System

  • Genuine Windows® 7 Home Premium, 64Bit, English


  • Up to 8GB Dual Channel DDR3 SDRAM at 1333Mhz – 2 DIMMS

Hard Drive

  • Up to 1000GB SATA hard drive (7200RPM)

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

  • 1GB GDDR5 NVIDIA® GeForce® GT 545
  • 1GB GDDR5 NVIDIA® GeForce® GTX 555


  • DW1502 Wireless-N WLAN Half Mini-Card

Sound Card

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

Front I/O Ports

  • (2x) Hi-Speed USB 2.0
  • (1x) Microphone In
  • (1x) Headphone/Speaker Out

Rear I/O Ports

  • (1x) On-board HDMI 1.4 Output
  • (1x) RJ-45 Gigabit Ethernet
  • (4x) Hi-Speed USB 2.0
  • (2x) 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)

Physical System Dimensions

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


  • Matte Stealth Black with Dark Chrome Accents

Processor and Core Architecture

Processor Cooling

  • Alienware™ High-Performance Air Cooling

Chipset Architecture

  • Intel® H61 Express Chipset

Motherboard Class

  • Mini-ITX Motherboard

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