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...
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We last saw a price for the Alienware X51 three weeks ago which was $798.00
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This PC supports a 32-bit|64-bit processor operating mode, which is typical of many similar spec PCs that have been on the market for a comparable time to it.
Six USB 3.0 (3.1 Gen 1) Type-A Ports
The Alienware X51 is a six USB 3.0 (3.1 Gen 1) Type-A port desktop computer. Most of the other personal computers that came out more than a year ago have between one and eight USB 3.0 (3.1 Gen 1) Type-A ports.
Fairly Big Discrete Graphics Adapter Memory
The discrete graphics adapter memory capacities of similar spec desktop computers that have been around for a comparable time to the X51 range from 1GB to 8.2TB, and the average discrete graphics adapter memory is 2.1TB. At 4,096 gigabytes, the Alienware X51 has a fairly big discrete graphics adapter memory compared to most of the other medium processor core computers that are a comparable age to the X51.
Fairly Fast Processor Clock Speed
At 3.6 gigahertz, the Alienware X51 has a fairly fast processor clock speed compared to most of the other medium processor core computers that have been around for around the same time as the X51. Across all the computers of this spec and age the processor clock speeds range from 1.3GHz to 4GHz.
Quite Big Internal Memory
The average internal memory of computers of this type and age is 7.8GB, and the internal memory range from 2GB to 64GB. When compared to other personal computers of this type and age that we have assessed the internal memory of, the Alienware X51's internal memory of 16 gigabytes is one of the biggest.
Fairly Big Hard Drive Capacity
The average hard drive capacity of PCs of this age and type is 860GB. At 1,000 gigabyte, the Alienware X51 has a fairly big hard drive capacity compared to most of the other medium processor core computers that were released one year ago.
+14 More reasons for
We checked 149 owner and expert reviews for Alienware PCs and found that on average Alienware has good ratings. We also found that Alienware has good ratings specifically within its medium processor core computers range.
Supports One Case Placement
The number of placements supported by the Alienware X51 is more than most PCs that have been available for around the same time as it. The most frequently supported case placement is Vertical, but this case placement is not supported by this computer. The case placements Horizontal are also supported by this personal computer.
10/100/1000Base-T(X) Cabling Technology
This desktop computer has a 10/100/1000Base-T(X) cabling technology, which is typical of many medium processor core computers that were launched around the same time as it.
Fairly Fast Maximum Turbo Frequency
The slowest maximum turbo frequency of medium processor core computers that came out around the same time as the X51 is 1.8GHz, the fastest is 4.4GHz, and the average maximum turbo frequency is 3.6GHz. The Alienware X51 has a fairly fast maximum turbo frequency (4 gigahertz) compared to most of the other personal computers of this age and type.
3 PCI Express Slots Version
This desktop computer supports a 3 PCI Express slots version, which is the most frequently supported PCI Express slots version on desktop computers of this type and age.
L3 Processor Cache Level
This personal computer has a L3 processor cache level, which is typical of many desktop computers of this spec and age.
Six USB 3.0 Ports
Most medium processor core computers that have been on the market for around the same time as the X51 have between one and eight USB 3.0 ports, including the Alienware X51 which has six USB 3.0 ports.
Eight Processor Threads
The Alienware X51 has more processor threads than most of the PCs of a comparable type and age to the X51. Most of the medium processor core computers that were released one year ago only have between four and seven processor threads, however this Alienware computer has eight processor threads.
Fairly Big Discrete Graphics Adapter Memory
The average discrete graphics adapter memory of personal computers that were launched more than a year ago is 2.9GB, and the discrete graphics adapter memory range from 4.9MB to 8.2GB. With a discrete graphics adapter memory of 4,096 megabytes, the Alienware X51 has one of the bigger discrete graphics adapter memory amongst computers of this age.
7.1 Audio Output Channel
The Alienware X51 has a 7.1 audio output channel which is better than most medium processor core computers that were released around the same time as it. Most comparable spec PCs that are a similar age to it have a 5.1 audio output channel.
A 7.1 audio output channel is actually the best audio output amongst all desktop computers of this type and age.
Amongst similar types of PC the worst audio output is 5.1.
GDDR Discrete Graphics Memory Type
This personal computer supports a GDDR3 discrete graphics memory type, which is the most commonly supported discrete graphics memory type on computers of a similar type and age to it.
With a weight of only 5.5 kilograms, the Alienware X51 is one of the lighter PCs of a comparable age and spec to the X51 amongst desktop computers of this age. The average weight of medium processor core computers that were released one year ago is 7.6kg.
The average width of similar spec computers that are a comparable age to the X51 is 190mm. The Alienware X51 is one of the narrower similar spec PCs that are a comparable age to the X51 (only 95 millimeters) amongst comparable spec computers of this age.
4 Reasons Against
Only HDD Storage Medium
The storage speed of this computer is HDD, which is typical of many similar spec computers that have been available 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.
Only 11 On-Board Graphics Adapter DirectX Version
This desktop computer supports a 11.1 on-board graphics adapter DirectX version, which is the most commonly supported on-board graphics adapter DirectX version on medium processor core computers that have been available for more than a year.
Only Two USB 2.0 Ports
Most medium processor core computers that have been available for around the same time as the X51 have between one and nine USB 2.0 ports, including the Alienware X51 which has two USB 2.0 ports.
Only Has One Memory Slot
The number of memory slots found on the Alienware X51 is more than most computers that came out more than a year ago. The most frequently 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.
+1 More reason against
2 Other reasons to consider the Alienware X51
Released Over a Year Ago
It was over a year ago when Alienware released the X51.
Average Total Storage Capacity
The Alienware X51 has a relatively average total storage capacity (1,000 gigabyte) compared to most of the other computers of a comparable type and age to the X51.
Intel Core i7, Intel Core i7-4xxx
Processor Clock Speed
PCI Express Slots Version
System Bus Data Transfer Rate
Processor Cache Level
Socket H3 (LGA 1150), LGA1150
Maximum Turbo Frequency
Memory Channel Supported Processor
Max Memory Bandwidth Supported Processor
Memory Clock Speed Supported by Processor
Memory Type Supported Processor
Max Internal Memory Supported Processor
Conflict Free Processor
PCI Express Lane (maximum)
Processor Operating Mode
PCI Express Configuration
1x16, 1x1, 2x8, 1x8, 1x8+2x4, 2x4
Thermal Design Power (TDP)
Processor Cache Type
Smart Cache, L3
Memory Clock Speed
2 x 8
Maximum Internal Memory
Internal Memory Type
Total Storage Capacity
Hard Drive Capacity
Hard Drive Speed
Hard Drive Interface
Serial ATA, Serial ATA II, Serial ATA III
Storage Drive Installed
Integrated Card Reader
Optical Drive Type
On-Board Graphics Adapter Model
Intel HD Graphics, Intel HD Graphics 4600
Discrete Graphics Adapter
Discrete Graphics Adapter Memory
Discrete Graphics Memory Type
Discrete Graphics Adapter Model
NVIDIA GeForce GTX 745
Discrete Graphics Adapter Memory
On-Board Graphics Adapter ID
On-Board Graphics Adapter DirectX Version
On-Board Graphics Adapter Dynamic Frequency
On-Board Graphics Adapter Base Frequency
Displayssupported by On-Board Grap
Maximum On-Board Graphics Adapter Memory
Windows 8, Windows 8.1
Operating System Language
Operating System Architecture
Ethernet LAN Data Rate
10, 10, 100, 10, 100, 1000
Ethernet LAN Connection
Ports & Interfaces
S/PDIF Out Port
Headphone Out Port
Microphone in Port
Ethernet LAN (RJ-45) Port
USB 3.0 Port
USB 2.0 Port
USB 3.0 (3.1 Gen 1) Type-A Port
Water Cooling System
Audio Output Channel
Compatible Processor Series
Core i3, Core i5, Core i7
Processor Special Features
Intel Anti-Theft Technology
Intell Identity Protection Technology
Intel My WiFi Technology
Intel Quick Sync Videotechnology
Intel Hyper-Threading Technology
Intel Smart Connect Technology
Intel Turbo Boost Technology
Intel Smart Response Technology
Intel VPro Technology
Intel Wireless Display (WiDi) Technology
Enhanced Intel SpeedStep Technology
Intel Rapid Start Technology
Intel Small Business Advantage (SBA)
Intel Secure Key
Intel AES New Instructions
Intel Stable Image Platform Program (SIPP)
Intel FDI Technology
Intel Clear Video HD Technology
Thermal Monitoring Technology
Execute Disable Bit
Intel InTru 3D Technology
Intel Trusted Execution Technology
Intel VT-X With Extended Page Tables (EPT)
Intel Virtualization Technology (VT-X)
AVX, AVX 2.0, SSE, SSE4.1, SSE, SSE4.2
Intel Enhanced Halt State
Intel Small Business Advantage (SBA) Version
Intel Virtualization Technology for Directed I/O
Thermal Solution Specification
Processor Package Size
CPU Configuration (max)
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 Supply Input Voltage
100 - 240
Power Supply Input Frequency
50 - 60
Weight & Dimensions
Storage Temperature Range
-10 - 45
-15.2 - 10668
-15.2 - 3048
Relative Humidity Operating Range
20 - 80
Operating Temperature Range
10 - 35
McAfee Live Safe 1YR
Intel Virtualization Technology
Intel Visual Technology
Intel Clear Video HD, Intel Insider, Intel InTru 3D, Intel Quick Sync Video
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