Alienware X51 User Manual

Before working inside your
computer
NOTE: The images in this document may differ from your computer
depending on the configuration you ordered.
Before you begin
1 Save and close all open files and exit all open applications.
2 Shut down your computer.
– Windows 10: Click or tap Start → Power → Shut down.
– Windows 8.1: On the Start screen, click or tap the power icon →
Shut down.
NOTE: If you are using a different operating system, see the
documentation of your operating system for shut-down instructions.
3 Disconnect your computer and all attached devices from their electrical
outlets.
4 Disconnect all cables such as telephone cables, network cables and so on,
from your computer.
5 Disconnect all attached devices and peripherals, such as keyboard, mouse,
monitor, and so on, from your computer.
6 Remove any media card and optical disc from your computer, if applicable.
7 After the computer is unplugged, press and hold the power button for 5
seconds to ground the system board.
Safety instructions
Use the following safety guidelines to protect your computer from potential
damage and ensure your personal safety.
WARNING: Before working inside your computer, read the
safety information that shipped with your computer. For
more safety best practices, see the Regulatory Compliance
home page at www.dell.com/regulatory_compliance.
6

Alienware X51 Specifications

General

Tcase	72.6 °C
Bus type	DMI
Stepping	D2
Processor cache	8 MB
Processor cores	4
Processor model	i7-2600
System bus rate	5 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-2600 Desktop Series
Processor socket	LGA 1155 (Socket H2)
Processor threads	8
Processor codename	Sandy Bridge
Processor frequency	3.4 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.8 GHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	95 W
Number of processors installed	1
CPU multiplier (bus/core ratio)	34
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	1066, 1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s
Maximum internal memory supported by processor	32 GB
HDMI	Yes
Platform	PC
Power supply type	AC/DC
Networking features	Gigabit Ethernet
Wireless technology	Wi-Fi
Graphics card family	Intel, NVIDIA
Headphone connectivity	3.5 mm
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Audio system	HD
Motherboard chipset	Intel® H61
Audio output channels	7.1 channels
Memory slots	2x DIMM
Internal memory	8 GB
Memory channels	Dual-channel
Memory layout (slots x size)	- GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD Super Multi DL
Card reader integrated	-
Total storage capacity	1000 GB
On-board graphics card ID	0x102
On-board graphics card model	Intel® HD Graphics 2000
Discrete graphics card memory	1024 GB
Discrete graphics memory type	GDDR5
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	850 MHz
On-board graphics card dynamic frequency (max)	1350 MHz
Number of displays supported (on-board graphics)	2
Operating system installed	Windows 7 Home Premium
USB 2.0 ports quantity	6
Firewire (IEEE 1394) ports	0
Wi-Fi standards	Wi-Fi 4 (802.11n)
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Chassis type	Mini Tower
Product color	Black
Processor code	SR00B
Processor ARK ID	52213
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00

Weight and Dimensions

Depth	318 mm
Width	95 mm
Height	343 mm
Weight	5490 g