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Alienware X51 R2
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Alienware X51 R2 4 Core Intel Core I5-4xxx 3.2GHz 8GB 1TB HDD

hothardware.com Editor's Choice
4 Intel Core I5-4xxx 3.2GHz 8GB Jun 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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Alienware X51 R2 (2014) Review - Gaming Till Disconnected
Alienware X51 R2 Review
Alienware X51 R2 Unboxing (My New Gaming Setup)
Alienware X51 R2 | ASUS GTX 1070 Unboxing & Installation

13 Reasons For

64-Bit Processor Operating Mode

This desktop computer supports a 32-bit|64-bit processor operating mode, which is the most commonly supported processor operating mode on desktop computers that were released more than a year ago.

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

The Alienware X51 R2 is a six USB 3.0 (3.1 Gen 1) Type-A port computer.

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Fairly Big Discrete Graphics Adapter Memory

The average discrete graphics adapter memory of similar spec personal computers that are a comparable age to the X51 R2 is 1.8TB. At 4,096 gigabytes, the Alienware X51 R2 has a quite big discrete graphics adapter memory compared to most of the other medium processor core personal computers that came out around the same time as the X51 R2.

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640 CUDA Cores

Most desktop computers of this spec and age have between 384 and 1,023 CUDA cores, including the Alienware X51 R2 which has 640 CUDA cores.

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3 PCI Express Slots Version

This personal computer supports a 3 PCI Express slots version, which is typical of many comparable spec desktop computers that have been available for more than a year.

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L3 Processor Cache Level

This personal computer has a L3 processor cache level, which is typical of many medium processor core personal computers that were launched more than a year 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 frequently found cabling technology on desktop computers of a similar type and age to it.

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Six USB 3.0 Ports

Most comparable spec personal computers that have been around for around the same time as the X51 R2 have between one and seven USB 3.0 ports, including the Alienware X51 R2 which has six USB 3.0 ports.

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Three Storage Drives

Most personal computers of a comparable spec and age to the X51 R2 have between one and five storage drives, including the Alienware X51 R2 which has three storage drives.

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Quite Big Discrete Graphics Adapter Memory

Medium processor core personal computers that have been on the market for around the same time as the X51 R2 have discrete graphics adapter memory of between 4.9MB and 8.2GB, and the average discrete graphics adapter memory is 3GB. With a discrete graphics adapter memory of 4,096 megabytes, the Alienware X51 R2 has a fairly big discrete graphics adapter memory compared to most of the other comparable spec personal computers that were released one year ago.

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GDDR Discrete Graphics Memory Type

This PC supports a GDDR3 discrete graphics memory type, which is typical of many similar spec computers that have been around for more than a year.

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Light

The weights of personal computers that are a similar age to the X51 R2 range from 38g to 100kg. With a weight of only 5.5 kilograms, the Alienware X51 R2 is fairly light compared to most of the other comparable spec PCs that are a similar age to the X51 R2.

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Very Narrow

At only 95 millimeters, the Alienware X51 R2 is quite narrow compared to most of the other medium processor core personal computers that were launched more than a year ago. Medium processor core personal computers that are a comparable age to the X51 R2 have widths of between 33mm and 510mm, and the average width is 180mm.

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14 Reasons Against

Alienware Only Has Unexceptional PC Reviews

Alienware has unexceptional average ratings across all personal computers, however it has good ratings specifically for its medium processor core personal computers.

Quite Slow On-Board Graphics Adapter Dynamic Frequency

Medium processor core personal computers that were launched around the same time as the X51 R2 have on-board graphics adapter dynamic frequencies of between 640MHz and 1,300MHz, and the average on-board graphics adapter dynamic frequency is 1,100MHz. At only 1,100 megahertz, the Alienware X51 R2 has a fairly slow on-board graphics adapter dynamic frequency compared to most of the other personal computers that are a similar age to the X51 R2.

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Quite Slow Max Memory Bandwidth Supported Processor

With a max memory bandwidth supported processor of only 25.6 gigabytes per second, the Alienware X51 R2 has one of the slower max memory bandwidth supported processor amongst PCs of this age. The average max memory bandwidth supported processor of medium processor core personal computers that have been around for more than a year is 30GB/s.

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Very Small Max Internal Memory Supported Processor

The smallest max internal memory supported processor of similar spec personal computers that have been available for around the same time as the X51 R2 is 2GB, the biggest is 770GB, and the average max internal memory supported processor is 65GB. The Alienware X51 R2 has one of the smaller max internal memory supported processors (only 32 gigabytes) amongst similar spec desktop computers of this age.

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Only HDD Storage Medium

The storage speed of this computer is HDD, which is the most commonly found storage medium on comparable spec personal computers that have been available for more than a year. 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.

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Quite Small Maximum On-Board Graphics Adapter Memory

When compared to other personal computers of this age and type, the Alienware X51 R2's maximum on-board graphics adapter memory of only 1.024 gigabytes is one of the smallest. Across all the similar spec computers that have been available for a comparable time to the X51 R2 the maximum on-board graphics adapter memories range from 1GB to 64GB, and the average maximum on-board graphics adapter memory is 4.3GB.

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Only Has One Memory Slot

The Alienware X51 R2 has a greater number of memory slots than most medium processor core personal computers that have been available for around the same time as it. The most frequently found memory slot is 4x DIMM, but this memory slot is not found on this computer. The memory slots 2x DIMM are also found on this Alienware desktop computer.

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Only Two USB 2.0 Ports

The Alienware X51 R2 is a two USB 2.0 port computer.

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Very Small Maximum Internal Memory

At only 16 gigabytes, the Alienware X51 R2 has a fairly small maximum internal memory compared to most of the other personal computers that have been on the market for more than a year. The average maximum internal memory of desktop computers that are a comparable age to the X51 R2 is 33GB.

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Quite Small Processor Cache

With a processor cache of only 6 megabytes, the Alienware X51 R2 has a quite small processor cache compared to most of the other personal computers that are a comparable age to the X51 R2. Medium processor core personal computers that were released one year ago have processor caches of between 2MB and 10MB.

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Only Four Processor Threads

Most desktop computers of this type and age have between four and seven processor threads, including the Alienware X51 R2 which has four processor threads.

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Quite Slow Memory Clock Speed

Across all the medium processor core personal computers that have been on the market for around the same time as the X51 R2 the memory clock speeds range from 1,000MHz to 2,400MHz, and the average memory clock speed is 1,800MHz. With a memory clock speed of only 1,600 megahertz, the Alienware X51 R2 has one of the slower memory clock speeds amongst medium processor core personal computers of this age.

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Very Low System Bus Data Transfer Rate

The lowest system bus data transfer rate of medium processor core personal computers that have been available for a similar time to the X51 R2 is 5GT/s, the highest is 8GT/s, and the average system bus data transfer rate is 6GT/s. At only 5 Gigatransfers per second, the Alienware X51 R2 has a fairly low system bus data transfer rate compared to most of the other comparable spec PCs that are a similar age to the X51 R2.

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Quite Slow Maximum Turbo Frequency

Across all the PCs of this type and age the maximum turbo frequencies range from 1.8GHz to 4.4GHz, and the average maximum turbo frequency is 3.6GHz. At only 3.4 gigahertz, the Alienware X51 R2 has a quite slow maximum turbo frequency compared to most of the other medium processor core personal computers that were released one year ago.

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5 Other reasons to consider the Alienware X51 R2

Released Over a Year Ago

It was over a year ago when Alienware released the X51 R2.

Average Processor Clock Speed

With a processor clock speed of 3.2 gigahertz, the Alienware X51 R2 has a relatively standard processor clock speed compared to most of the other computers of this type and age.

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Average Hard Drive Capacity

At 1,000 gigabyte, the Alienware X51 R2 has a pretty standard hard drive capacity compared to most of the other medium processor core personal computers that came out around the same time as the X51 R2.

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Average Total Storage Capacity

At 1,000 gigabyte, the Alienware X51 R2 has a fairly typical total storage capacity compared to most of the other computers of this age and type.

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Average Internal Memory

The Alienware X51 R2 has a pretty standard internal memory (8 gigabytes) compared to most of the other similar spec PCs that came out around the same time as the X51 R2.

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Specification

Processor
Processor Cores
Processor Family
Processor Frequency
PCI Express Slots Version
Processor Threads
System Bus Rate
Processor Cache Level
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 Speed
Hard Drive Interface
Number of Hard Drives Installed
Number of Storage Drives Supported
Number of Storage Drives Installed
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
Graphics Adapter Open GL Support
NVIDIA G-SYNC
NVIDIA GameWorks VR
Discrete Graphics Adapter Memory
CUDA
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 Maximum Resolution
On-Board Graphics Adapter Output
On-Board Graphics Adapter Base Frequency
Maximum On-Board Graphics Adapter Resolution
Number of Displays Supported (on-Board Graphics)
Maximum On-Board Graphics Adapter Resolution
Maximum On-Board Graphics Adapter Memory
Maximum On-Board Graphics Adapter Resolution
On-Board Graphics Adapter
On-Board Graphics Adapter Family
Software
Operating System Installed
Trial Software
Operating System Language
Operating System Architecture
Networking
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
DC-In Jack
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
Placement Supported
Colour of Product
Water Cooling System
Performance
Password Protection
Audio Output Channels
Audio System
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
Embedded Options Available
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
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
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
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...

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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...

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers ax51r24292bk
Barcodes 00884116165958
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