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Alienware X51
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Alienware X51 4 Core Intel Core I7-4xxx 3.6GHz 16GB 2TB HDD

Digitaltrends.com Recommended Product PC Mag Editor's Choice Digital Versus 5 Star tomsguide.com Editor's Choice PC Advisor.co.uk Recommended
4 Intel Core I7-4xxx 3.6GHz 16GB Dec 2015
Processor Cores Processor Family Processor Frequency Internal Memory Release Date
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... More
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ALIENS IN MY LIVINGROOM! - Alienware X51 Unboxing & Setup! (1080p)
Alienware X51 Small Form Factor Gaming PC Review
TmarTn's Introduction to PC Gaming!! (Battlefield 3 on Alienware X51)
Alienware X51 Review

15 Reasons For

64-Bit Processor Operating Mode

This PC supports a 32-bit|64-bit processor operating mode, which is typical of many personal computers that have been available for the last year.

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Quite Fast On-Board Graphics Adapter Dynamic Frequency

The on-board graphics adapter dynamic frequencies of comparable spec computers that have been available for the last year range from 500MHz to 1,400MHz. At 1,200 megahertz, the Alienware X51 has a very fast on-board graphics adapter dynamic frequency compared to most of the other newly released medium processor core personal computers.

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Three Graphics Adapter DisplayPorts

Most recently released medium processor core personal computers have between one and three graphics adapter DisplayPorts, including the Alienware X51 which has three graphics adapter DisplayPorts.

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Very Big Hard Drive Capacity

With a hard drive capacity of 2,000 gigabytes, the Alienware X51 has a very big hard drive capacity compared to most of the other computers that are a comparable age to the X51. The average hard drive capacity of new medium processor core personal computers is 910GB.

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Very Fast Processor Clock Speed

The Alienware X51 has a fairly fast processor clock speed (3.6 gigahertz) compared to most of the other latest similar spec desktop computers. Medium processor core personal computers that are a similar age to the X51 have processor clock speeds of between 1.3GHz and 4GHz.

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Quite Big Total Storage Capacity

The average total storage capacity of medium processor core personal computers that have been around for the last year is 730GB. The Alienware X51 has one of the bigger total storage capacity (2,000 gigabytes) amongst medium processor core personal computers of this age.

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Quite Big Internal Memory

When compared to other PCs that have been available for a similar time to the X51 that we have assessed the internal memory of, the Alienware X51's internal memory of 16 gigabytes is one of the biggest. The internal memory of similar spec PCs that are a comparable age to the X51 range from 2GB to 32GB.

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3 PCI Express Slots Version

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

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Fairly Fast Maximum Turbo Frequency

At 4 gigahertz, the Alienware X51 has a fairly fast maximum turbo frequency compared to most of the other latest medium processor core personal computers. New desktop computers have maximum turbo frequencies of between 1.8GHz and 4.2GHz.

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Eight Processor Threads

The Alienware X51 is a eight processor thread PC.

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Fairly Big Processor Cache

Across all the similar spec PCs that came out in the last 12 months the processor caches range from 2MB to 10MB. The Alienware X51 has one of the bigger processor caches (8 megabytes) amongst medium processor core personal computers of this age.

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7.1 Audio Output Channel

The Alienware X51 has a better audio output than most PCs that were launched in the last 12 months. This computer has a 7.1 audio output channel, whereas most new similar spec PCs have a 5.1 audio output channel.

A 7.1 audio output channel is in fact the best audio output amongst all medium processor core personal computers that came out in the last year.

The worst audio output across similar types of desktop computer is 5.1.

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DVD Super Multi Optical Drive Type

The optical drive type of this desktop computer is DVD Super Multi DL, which is typical of many latest personal computers.

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GDDR Discrete Graphics Memory Type

This computer supports a GDDR5 discrete graphics memory type, which is the most frequently supported discrete graphics memory type on medium processor core personal computers that are a similar age to it.

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Very Narrow

The Alienware X51 is quite narrow (only 95 millimeters) compared to most of the other latest comparable spec computers. Across all the medium processor core personal computers that are a comparable age to the X51 the widths range from 34mm to 7,100mm, and the average width is 250mm.

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15 Reasons Against

Unexceptional Brand

Alienware has good ratings for its medium processor core personal computers, however it has unexceptional average ratings when measured across its entire PC range.

Very Small Discrete Graphics Adapter Memory

The Alienware X51 has one of the smaller discrete graphics adapter memory capacities (only 2 gigabytes) amongst personal computers of this age. Across all the latest PCs the discrete graphics adapter memory capacities range from 0.5GB to 4.1TB, and the average discrete graphics adapter memory is 260GB.

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Quite Slow Max Memory Bandwidth Supported Processor

The max memory bandwidth supported processor of medium processor core personal computers that have been available for a comparable time to the X51 range from 10GB/s to 77GB/s. The Alienware X51 has a quite slow max memory bandwidth supported processor (only 25.6 gigabytes per second) compared to most of the other recently released medium processor core personal computers.

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Quite Small Max Internal Memory Supported Processor

With a max internal memory supported processor of only 32 gigabytes, the Alienware X51's max internal memory supported processor is one of the smallest amongst latest medium processor core personal computers. The smallest max internal memory supported processor of recently released medium processor core personal computers is 2GB and the biggest is 1.6TB.

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Only 4 On-Board Graphics Adapter OpenGL Version

The Alienware X51 supports a better on-board graphics adapter OpenGL version than most recently released similar spec PCs. This personal computer supports a 4 on-board graphics adapter OpenGL version, whereas most computers that were launched around the same time as it support a 4.4 on-board graphics adapter OpenGL version.

A 4 on-board graphics adapter OpenGL version is actually the worst supported on-board graphics adapter OpenGL version amongst all comparable spec personal computers that are a similar age to the X51.

Amongst similar types of desktop computer the best supported on-board graphics adapter OpenGL version is 4.4.

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Quite Slow Memory Clock Speed Supported by Processor

With a memory clock speed supported by processor of only 1,333 megahertz, the Alienware X51 has one of the slowest memory clock speeds supported by processors amongst computers of this age. Latest comparable spec computers have memory clock speeds supported by processors of between 800MHz and 2,200MHz, and the average memory clock speed supported by processor is 1,800MHz.

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Only 11 On-Board Graphics Adapter DirectX Version

The Alienware X51 supports an 11 on-board graphics adapter DirectX version which is better than the 12 on-board graphics adapter DirectX version supported by most new medium processor core personal computers. The on-board graphics adapter DirectX version of all medium processor core personal computers that were launched in the last year ranges from 11.2/12 (worst) to 12 (best).

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Quite Small Maximum On-Board Graphics Adapter Memory

At only 1.024 gigabytes, the Alienware X51 has a very small maximum on-board graphics adapter memory compared to most of the other recently released personal computers. Across all the comparable spec desktop computers that have been on the market for a similar time to the X51 the maximum on-board graphics adapter memories range from 1GB to 64GB.

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Only Has One Memory Slot

The Alienware X51 has a greater number of memory slots than most latest medium processor core personal computers. The most frequently found memory slot is 4x DIMM, but this memory slot is not found on this Alienware computer. The memory slots 2x DIMM are also found on this desktop computer.

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Only Two USB 2.0 Ports

The Alienware X51 is a two USB 2.0 port computer. Most of the other desktop computers that have been on the market for around the same time as the X51 have between one and seven USB 2.0 ports.

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Very Small Maximum Internal Memory

Across all the computers that were released in the last 12 months the maximum internal memory range from 2GB to 260GB, and the average maximum internal memory is 42GB. The Alienware X51 has one of the smaller maximum internal memory (only 16 gigabytes) amongst personal computers of this age.

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Only DDR3-SDRAM Internal Memory Type

The Alienware X51 has a DDR3-SDRAM internal memory type which is newer than the DDR4-SDRAM internal memory type found on most medium processor core personal computers that have been on the market for a similar time to it.

A DDR3-SDRAM internal memory type is actually the worst internal memory type amongst all similar spec computers that were launched in the last year.

A DDR4-SDRAM internal memory type is the best internal memory type amongst comparable types of computer.

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Quite Slow Memory Clock Speed

Across all the recently released medium processor core personal computers the memory clock speeds range from 1,600MHz to 2,400MHz, and the average memory clock speed is 2,000MHz. When compared to other computers that have been on the market for a similar time to the X51 that we have assessed the memory clock speed of, the Alienware X51's memory clock speed of only 1,600 megahertz is one of the slowest.

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Quite Low System Bus Data Transfer Rate

With a system bus data transfer rate of only 5 Gigatransfers per second, the Alienware X51 has one of the lowest system bus data transfer rates amongst computers of this age. Desktop computers that have been available for the last year have system bus data transfer rates of between 5GT/s and 8GT/s, and the average system bus data transfer rate is 7.4GT/s.

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Very Small Maximum Internal Memory

With a maximum internal memory of only 32,768 megabytes, the Alienware X51 has a quite small maximum internal memory compared to most of the other recently released computers. Across all the medium processor core personal computers that were launched around the same time as the X51 the maximum internal memory range from 8.1GB to 790GB, and the average maximum internal memory is 81GB.

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2 Other reasons to consider the Alienware X51

Released Over a Year Ago

It was over a year ago when Alienware released the X51.

HDD Storage Medium

The storage speed of this PC is HDD, which is typical of many medium processor core personal computers that have been around for around the same time as 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.

If the storage speed of this desktop computer is too slow for you then you might also want to consider the HP 400 G2 (SSD).

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Specification

Processor
Processor Cores
Processor Family
Processor Frequency
PCI Express Slots Version
Processor Threads
System Bus Rate
Processor Cache
Processor Socket
Processor Boost Frequency
Processor Model
Memory Voltage Supported by Processor
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
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 Size
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 Memory Type
Discrete Graphics Adapter Model
Graphics Adapter Open GL Support
Graphics Adapter DVI-I Ports Quantity
Graphics Adapter DisplayPorts Quantity
Graphics Adapter HDMI Ports Quantity
NVIDIA G-SYNC
NVIDIA GameWorks VR
Discrete Graphics Adapter Memory
CUDA Cores
On-Board Graphics Adapter ID
On-Board Graphics Adapter OpenGL Version
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
Trial Software
Operating System Language
Operating System Architecture
Networking
Bluetooth Version
Bluetooth
Wi-Fi Standards
Wi-Fi
Cabling Technology
Ethernet LAN Data Rates
Ethernet LAN
Ports & Interfaces
SmartCard Slot
S/PDIF Out Port
Headphone Outputs
Microphone in
Line-Out
Line-in
DC-In Jack
Ethernet LAN (RJ-45) Ports
HDMI Ports Quantity
DVI Port
USB 2.0 Ports Quantity
Combo Headphone/mic Port
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
Compatible Processor Series
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 HD Graphics
Intel® Secure Key
Intel Clear Video Technology
Intel® AES New Instructions (Intel® AES-NI)
Intel Stable Image Platform Program (SIPP)
Intel FDI Technology
Intel TSX-NI
Idle States
Intel® Built-In Visuals Technology
Intel® OS Guard
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
Intel® Iris Pro Graphics
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
Cables Included
Mouse Included
Display Included
Keyboard Supplied
AC Adapter Included
Other Features
Intel® Virtualization Technology (Intel® VT)

13 Awards

pcactual.com Recommended Les Numeriques.com 5 Star computershopper.com Editor's Choice hardwareheaven.com Recommended CNET.co.uk Editor's Choice kitguru.net Worth Buying Digitaltrends.com Recommended Product PC Mag Editor's Choice Digital Versus 5 Star 01net.com 5 Star hothardware.com Editor's Choice tomsguide.com Editor's Choice PC Advisor.co.uk Recommended

Expert Reviews

(62)
10 July 2016

What is the Alienware X51? Alienware is one of the strongest global brands of gaming PCs, with a range that now stretches to multiple mobile and desktop form factors. While many gaming PCs come in... Read more…

6 January 2016

Alienware's latest X51 gaming PC would not look out of place in an office.Yes, it still has the brand's distinctive alien head logo on the front, but the company shows uncharacteristic restraint... Read more…

Stylis, compact design
Strong graphics performance
Relatively affordable
Useful personalization software
Slick, illuminated design
Doesn't support highest-end graphics cards
Not really suitable for more than 1080p
No SSD
High processor temperature
Relatively expensive
2 July 2015

The Alienware X51 gaming desktop provides impressive performance for the price in a stylish, living-room-friendly package...

Tomsguide.com

27 May 2014

The Alienware X51 is a prime example of why not all serious gamers require a full-sized configuration. The only reason you might want to build your own barebones unit or spend more money on the...

23 May 2014

The Alienware X51 is a small, powerful gaming PC. It tends to get rather loud and toasty and the keyboard and mouse could have been better suited for gaming purposes, but it's still a great way to...

Digital Versus

« Prev 1 of 13 Next »

User Reviews

(6)

Alienware... Just buy all the parts on its own and pay someone to build it. save $$$...

Reviewed 27 September 2016 by Greased Lizard

Wouldn't touch this with a bargepole to be honest. It used to be that Alienware were the mutts nuts, not so much these days. The price tag is exceptionally high for a 2gb 960, and what's with only... Read more…

Reviewed 31 August 2016 by N RHODES | 11 Comments
(Verified Purchase)

Nothing wrong with the PC to be fair, however you couldn't upgrade the video card to the latest 1080 models.

Reviewed 26 July 2016 by Amazon Customer

For the people who said the graphics were bad when you were gaming, it could of been your monitor, not the PC. However, that's for you to decide upon.

Reviewed 4 June 2016 by Amazon Customer
(Verified Purchase)

At first we were excited because this is our first alienware. But the unit that was delivered to us had an issue with the dedicated graphics card. It worked at set-up. but when we started using it... Read more…

« Prev 1 of 2 Next »

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers r23976, r28567, r23969, r28550, x513429, d00ar226, x515828tw, alienware i74770, alienware i74770k
Barcodes 05397063523429, 05397063623969, 05397063623976, 05397063708550, 05397063708567
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