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Alienware X51 R2
3 Images + 17 Videos

Alienware X51 R2 4 Core Intel Core I7-4xxx 3.4GHz 8GB 2TB HDD

hothardware.com Editor's Choice
4 Intel Core I7-4xxx 3.4GHz 8GB Sep 2014
Processor Cores Processor Family Processor Frequency Internal Memory Release Date
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... More
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19 Reasons For

64-Bit Processor Operating Mode

This personal computer supports a 64-bit processor operating mode, which is typical of many comparable spec PCs that have been available for a similar time to it.

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Eight USB 3.0 (3.1 Gen 1) Type-A Ports

Most PCs of this age and spec have between one and eight USB 3.0 (3.1 Gen 1) Type-A ports, including the Alienware X51 which has eight USB 3.0 (3.1 Gen 1) Type-A ports.

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Fairly Fast On-Board Graphics Adapter Dynamic Frequency

The Alienware X51 has a fairly fast on-board graphics adapter dynamic frequency (1,200 megahertz) compared to most of the other computers of a comparable age and spec to the X51. The slowest on-board graphics adapter dynamic frequency of PCs of this age and type is 850MHz, the fastest is 860,000MHz, and the average on-board graphics adapter dynamic frequency is 3,200MHz.

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Fairly Big Maximum On-Board Graphics Adapter Memory

With a maximum on-board graphics adapter memory of 1.74 gigabytes, the Alienware X51 has one of the bigger maximum on-board graphics adapter memories amongst medium processor core personal computers of this age. Desktop computers of this spec and age have maximum on-board graphics adapter memories of between 1GB and 2GB.

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11 On-Board Graphics Adapter DirectX Version

This computer supports a 11.1 on-board graphics adapter DirectX version, which is typical of many computers of this spec and age.

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Very Big Hard Drive Capacity

The Alienware X51 has one of the biggest hard drive capacity (2,000 gigabytes) amongst comparable spec computers of this age. Across all the desktop computers that have been around for around the same time as the X51 the hard drive capacity range from 320GB to 3TB.

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Very Big Total Storage Capacity

Medium processor core personal computers that have been around for more than two years have total storage capacity of between 32GB and 3TB, and the average total storage capacity is 710GB. With a total storage capacity of 2,000 gigabytes, the Alienware X51's total storage capacity is one of the biggest amongst PCs of this age and type.

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Fairly Big Internal Memory

The average internal memory of medium processor core personal computers that have been available for more than two years is 7.5GB, and the internal memory range from 2GB to 64GB. With an internal memory of 8 gigabytes, the Alienware X51 has one of the bigger internal memory amongst medium processor core personal computers of this age.

We compared all the other 8GB memory desktop computers to this PC and we think the HP Z420[plb_2176834_price] which is cheaper is also worth considering.

If this medium processor core desktop computer internal memory is not big enough for you then you might also want to look at the HP Z230[plb_2252581_price] (16GB).

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3 PCI Express Slots Version

This computer supports a 3 PCI Express slots version, which is the most frequently supported PCI Express slots version on medium processor core personal computers that were released around the same time as it.

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L3 Processor Cache Level

This computer has a L3 processor cache level, which is the most frequently found processor cache level on personal computers that were launched more than two years ago.

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10/100/1000Base-T(X) Cabling Technology

This computer has a 10/100/1000Base-T(X) cabling technology, which is the most commonly found cabling technology on desktop computers of a comparable age and type to it.

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Eight USB 3.0 Ports

Most medium processor core personal computers that came out around the same time as the X51 have between one and eight USB 3.0 ports, including the Alienware X51 which has eight USB 3.0 ports.

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Eight Processor Threads

The Alienware X51 is a eight processor thread personal computer.

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Quite Big Processor Cache

With a processor cache of 8 megabytes, the Alienware X51 has one of the bigger processor caches amongst medium processor core personal computers of this age. The processor caches of medium processor core personal computers that were released more than two years ago range from 0.51MB to 10MB, and the average processor cache is 6.8MB.

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7.1 Audio Output Channel

The Alienware X51 has a better audio output than most personal computers that have been on the market for a comparable time to it. This desktop computer has a 7.1 audio output channel, whereas most computers of this type and age have a 5.1 audio output channel.

This desktop computer's audio output (7.1) is in fact the best audio output across all similar spec computers that were released more than two years ago.

A 5.1 audio output channel is the worst audio output across similar types of desktop computer.

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Quite Big L3 Cache

The L3 caches of PCs of a comparable spec and age to the X51 range from 2MB to 10MB, and the average L3 cache is 6.9MB. At 8 megabytes, the Alienware X51 has a fairly big L3 cache compared to most of the other personal computers of a similar spec and age to the X51.

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GDDR Discrete Graphics Memory Type

This personal computer supports a GDDR5 discrete graphics memory type, which is typical of many PCs of this spec and age.

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Light

With a weight of only 5.5 kilograms, the Alienware X51 is one of the lighter computers of this age and spec amongst medium processor core personal computers of this age. The lightest medium processor core desktop computer that was launched around the same time as the X51 is 250g heavy and the heaviest is 24kg.

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Very Narrow

At only 95 millimeters, the Alienware X51 is quite narrow compared to most of the other personal computers of a similar type and age to the X51. The widths of computers of a similar age and spec to the X51 range from 33mm to 490mm, and the average width is 190mm.

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4 Reasons Against

Unexceptional Brand

Whilst Alienware is one of the unremarkable personal computer manufacturers according to average user and expert reviews, Alienware has good reviews specifically within its medium processor core personal computers range.

Only HDD Storage Medium

The storage speed of this computer is HDD, which is typical of many similar spec PCs that are a comparable age to it. A Hard Disk Drive (HDD) is the traditional storage method for computers. A HDD stores the information on magnetic disks. HDD drives are cheap, but they are slower than Flash and SSD bases storage systems.

There are a number of alternative HDD desktop computers currently available which you might want to consider including cheaper personal computers such as the HP Z420[plb_2176834_price], or the Lenovo ThinkCentre E73[plb_2338866_price].

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Only Has One Memory Slot

The Alienware X51 has a greater number of memory slots than most medium processor core personal computers that were released more than two years ago. The most commonly found memory slot is 4x DIMM, but this memory slot is not found on this Alienware personal computer. The memory slots 2x DIMM are also found on this personal computer.

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Only Two USB 2.0 Ports

Most desktop computers of a comparable spec and age to the X51 have between one and nine USB 2.0 ports, including the Alienware X51 which has two USB 2.0 ports.

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2 Other reasons to consider the Alienware X51 R2

Released Over Two Years Ago

Alienware released the X51 over two years ago.

Average Processor Clock Speed

At 3.4 gigahertz, the Alienware X51 has a fairly typical processor clock speed compared to most of the other medium processor core personal computers that came out more than two years ago.

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Specification

Processor
Processor Cores
Processor Family
Processor Frequency
PCI Express Slots Version
Processor Threads
System Bus Rate
L3 Cache
Processor Cache Level
Processor Cache
Processor Socket
Processor Boost Frequency
Processor Model
ECC Supported by Processor
Memory Channels Supported by Processor
Memory Bandwidth Supported by Processor (max)
Memory Clock Speeds Supported by Processor
Memory Types Supported by Processor
Maximum Internal Memory Supported by Processor
Conflict Free Processor
Processor Series
Tcase
Maximum Number of PCI Express Lanes
Stepping
Number of QPI Links
Processor Operating Modes
PCI Express Configurations
Processor Codename
Processor Lithography
Thermal Design Power (TDP)
Bus Type
Processor Cache Type
Number of Processors Installed
Memory
Internal Memory
Non-ECC
Memory Clock Speed
Memory Slots
Memory Layout (slots X Size)
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Media
Hard Drive Capacity
Hard Drive Speed
Hard Drive Interface
Number of Hard Drives Installed
Number of Storage Drives Installed
Card Reader Integrated
Optical Drive
Optical Drives Quantity
Optical Drive Type
Graphics
On-Board Graphics Adapter Model
Number of Discrete Graphics Adapters
Discrete Graphics Adapter Memory
Discrete Graphics Memory Type
Discrete Graphics Adapter Model
Discrete Graphics Adapter Memory
On-Board Graphics Adapter ID
On-Board Graphics Adapter DirectX Version
On-Board Graphics Adapter Dynamic Frequency (max)
On-Board Graphics Adapter Base Frequency
Number of Displays Supported (on-Board Graphics)
Maximum On-Board Graphics Adapter Memory
On-Board Graphics Adapter
On-Board Graphics Adapter Family
Software
Operating System Installed
Operating System Architecture
Networking
Bluetooth Version
Bluetooth
Wi-Fi Standards
Wi-Fi
Cabling Technology
Ethernet LAN Data Rates
Ethernet LAN
Ports & Interfaces
S/PDIF Out Port
Headphone Outputs
Microphone in
Line-Out
Line-in
Ethernet LAN (RJ-45) Ports
HDMI Ports Quantity
DVI Port
USB 3.0 Port
USB 2.0 Ports Quantity
USB 3.0 (3.1 Gen 1) Type-A Ports Quantity
Design
Chassis Type
Placement Supported
Colour of Product
Water Cooling System
Performance
Password Protection
Audio Output Channels
Audio System
Motherboard Form Factor
Motherboard Chipset
Product Type
Processor Special Features
Intel® Anti-Theft Technology (Intel® AT)
Intel® Identity Protection Technology (Intel® IPT)
Intel® My WiFi Technology (Intel® MWT)
Intel® Quick Sync Video Technology
Intel® Hyper Threading Technology (Intel® HT Technology)
Intel Smart Connect Technology
Intel® Turbo Boost Technology
Intel® Smart Response Technology
Intel® VPro™ Technology
Intel® Wireless Display (Intel® WiDi)
Intel 64
Enhanced Intel SpeedStep Technology
Intel® Rapid Start Technology
Intel® Small Business Advantage (Intel® SBA)
Intel® Secure Key
Intel Clear Video Technology
Intel® AES New Instructions (Intel® AES-NI)
Intel FDI Technology
Intel TSX-NI
Idle States
Intel® Insider™
Intel® Clear Video HD Technology (Intel® CVT HD)
Thermal Monitoring Technologies
Execute Disable Bit
InTru™ 3D Technology
Intel Trusted Execution Technology
Intel VT-X With Extended Page Tables (EPT)
Intel Fast Memory Access
Intel Flex Memory Access
Intel Virtualization Technology (VT-X)
Supported Instruction Sets
Intel Dual Display Capable Technology
Intel Enhanced Halt State
Processor Code
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)
Scalability
Intel Small Business Advantage (SBA) Version
Intel Virtualization Technology for Directed I/O (VT-D)
Thermal Solution Specification
Processor Package Size
CPU Configuration (max)
Intel Rapid Storage Technology
Intel Demand Based Switching
Intel Identity Protection Technology Version
Intel Stable Image Platform Program (SIPP) Version
Graphics & IMC Lithography
Intel® Smart Cache
Intel Secure Key Technology Version
Processor ARK ID
Power
Power Supply Input Voltage
Power Supply Input Frequency
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Operational Conditions
Storage Temperature (T-T)
Non-Operating Altitude
Operating Altitude
Operating Relative Humidity (H-H)
Operating Temperature (T-T)
Packaging Content
Drivers Included
Manual
Bundled Software
Mouse Included
Display Included
Keyboard Layout
Keyboard Supplied
Other Features
Intel® Virtualization Technology (Intel® VT)
Technical Details
Intel Visual Technology

1 Award

hothardware.com Editor's Choice

Expert Reviews

(14)
28 August 2015

With a 6th generation Intel chips in tow, the revamped Alienware X51 has all the makings of a petite powerhouse. It's not without its shortcomings, but smart additions, like a M.2 PCIe slot and...

New Skylake processors
Space for SSD
Alienware Graphics Amplifier expansion
Reasonably priced
Small footprint
Proprietary motherboard
Tough to upgrade
Not the most powerful ITX system
No room for expansion
Does not include keyboard or mouse
27 August 2015

With a 6th generation Intel chips in tow, the revamped Alienware X51 has all the makings of a petite powerhouse. It's not without its shortcomings, but smart additions, like a M.2 PCIe slot and...

18 November 2014

The Alienware X51-R2 small-form-factor gaming desktop offers respectable gaming performance at a reasonable price...

Alienware is no stranger to making over the top gaming PCs, and its smallest offering, the X51, continues the trend with bright LEDs and an out-of-this-world looking chassis. The second generation... Read more…

27 August 2014

Chris Burns Here in the late Summer of 2014 we're having a look at a gaming PC from Alienware that's continuing to aim for console-beating power after nearly a year out in the wild. This...

« Prev 1 of 3 Next »

User Reviews

(4)
Reviewed 27 March 2015 by Tomh
Tomh would recommend the Alienware X51 R2 (Verified Purchase)

I bought this PC for small games. It outperformed in that area and works pretty stable...

Reviewed 9 March 2015 by Greg
Greg would recommend the Alienware X51 R2 (Verified Purchase)

I bought this PC for my son do Christmas. The video frame rates are outstanding for the price. Very pleased!

Reviewed 7 March 2015 by Jllav
(Verified Purchase)

Great computer for graphics & speed, but it had some issues off the bat. The USBs, DVD and sound system weren't working on day one. A couple of days later the USB worked. The DVD player doesn't... Read more…

Reviewed 14 January 2015 by GAMETIMEFUN
GAMETIMEFUN would recommend the Alienware X51 R2 (Verified Purchase)

My son loves the graphic while playing computer games. Only down fall is that it has froze on start up a few times...

Brochures and Manuals

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers d00ar221, d00ar229, d00ar227, x5177822gw8, alienware ax51r35510, alienware ax51r35511, alienware ax51r35511b, alienware ax51r35510b, alienware ax51r35510bl, alienware ax51r35511bl, alienware ax51r35511blk, alienware ax51r35510blk
Barcodes 00884116203704, 05397063518685
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