Processor
| Processor codename |
Sandy Bridge |
| Memory clock speeds supported by processor |
1066, 1333 MHz |
| Memory channels supported by processor |
Dual |
| CPU multiplier (bus/core ratio) |
30 |
| Processor operating modes |
64-bit |
| Memory types supported by processor |
DDR3-SDRAM |
| Bus type |
DMI |
| Memory bandwidth supported by processor (max) |
21 GB/s |
| Maximum internal memory supported by processor |
32 GB |
| Processor cache type |
Smart Cache |
| Number of processors installed |
1 |
| Processor boost frequency |
3.3 GHz |
| Processor cache |
6 MB |
| Processor lithography |
32 nm |
| Thermal Design Power (TDP) |
95 W |
| Maximum number of PCI Express lanes |
16 |
| Stepping |
D2 |
| Processor cores |
4 |
| PCI Express slots version |
2.0 |
| Processor frequency |
3 GHz |
| Tcase |
72.6 °C |
| ECC supported by processor |
N |
Memory
| Memory clock speed |
1333 MHz |
| Memory layout (slots x size) |
1 x 2 + 1 x 4 GB |
| Memory slots |
2x DIMM |
| Maximum internal memory |
8 GB |
| Internal memory type |
DDR3-SDRAM |
| Internal memory |
6 GB |
Processor special features
| Intel® Quick Sync Video Technology |
Y |
| Intel® Insider™ |
Y |
| Intel 64 |
Y |
| Intel Dual Display Capable Technology |
Y |
| CPU configuration (max) |
1 |
| Embedded options available |
N |
| Intel Virtualization Technology for Directed I/O (VT-d) |
N |
| Intel Hyper-Threading Technology |
N |
| Intel® Turbo Boost Technology |
Y |
| Intel Enhanced Halt State |
Y |
| Supported instruction sets |
SSE4.1, AVX, SSE4.2 |
| Intel Fast Memory Access |
Y |
| Intel Flex Memory Access |
Y |
| Execute Disable Bit |
Y |
| Idle States |
Y |
| Thermal Monitoring Technologies |
Y |
| Intel Trusted Execution Technology |
N |
| Processor package size |
37.5 x 37.5 mm |
| Processor ARK ID |
53446 |
| Processor code |
SR02L |
| Intel vPro Technology |
N |
| Intel VT-x with Extended Page Tables (EPT) |
Y |
| Intel FDI Technology |
Y |
| Enhanced Intel SpeedStep Technology |
Y |
| Intel Identity Protection Technology version |
1.00 |
| Intel® Wireless Display (Intel® WiDi) |
N |
| Intel® Clear Video HD Technology (Intel® CVT HD) |
Y |
Other features
| Ethernet interface type |
Gigabit Ethernet |
| Microphone connectivity |
3.5 mm |
| Mac compatibility |
N |
| Platform |
PC |
| Compliance industry standards |
IEEE 802.3, IEEE 802.3u, IEEE 802.3ab |
| Graphics adapter family |
NVIDIA, Intel |
| Maximum number of SMP processors |
1 |
| Headphone connectivity |
3.5 mm |
| Floppy drive installed |
N |
| HDMI |
Y |
| Power supply type |
AC/DC |
Graphics
| Discrete graphics memory type |
GDDR5 |
| On-board graphics adapter base frequency |
850 MHz |
| On-board graphics adapter family |
Intel HD Graphics |
| On-board graphics adapter |
Y |
| On-board graphics adapter ID |
0x102 |
| Discrete graphics adapter memory |
1024 GB |
| On-board graphics adapter dynamic frequency (max) |
1100 MHz |
| Number of displays supported (on-board graphics) |
2 |
Storage
| Hard drive capacity |
1000 GB |
| Total storage capacity |
1000 GB |
| Card reader integrated |
N |
| Number of hard drives installed |
1 |
| Hard drive interface |
Serial ATA |
Performance
| Audio system |
HD |
| Audio output channels |
7.1 channels |
Optical drive
| Optical drive type |
Blu-Ray ROM |
Ports & interfaces
| Line-in |
Y |
| HDMI ports quantity |
1 |
| DVI port |
N |
| Line-out |
Y |
| Headphone outputs |
1 |
| S/PDIF out port |
Y |
| Microphone in |
Y |
| USB 3.0 (3.1 Gen 1) Type-A ports quantity |
2 |
Networking
| Cabling technology |
10/100/1000Base-T(X) |
| Wake-on-LAN ready |
Y |
| Ethernet LAN data rates |
10, 100, 1000 Mbit/s |
| Wi-Fi |
N |
Packaging content
| Display included |
Y |
| Display type |
LED |
Software
| Operating system architecture |
64-bit |
Additionally
| InTru™ 3D Technology |
Y |
| Chipset |
Intel H61 |
| Ethernet LAN (RJ-45) ports quantity |
1 |
| System bus data transfer rate |
5 GT/s |
| Ethernet LAN connection |
Y |
| Intel AES New Instructions |
Y |
60.96 cm (24 ") 1920 x 1080 px, 16:9, 5 ms, 250 cd/m2, Intel Core i5-2320 (6M Cache, up to 3.30 GHz), 6GB DDR3, 1TB HDD, Blu-Ray ROM, Intel HD 2000, NVIDIA GeForce GTX 555 1GB GDDR5, Gigabit Ethernet, 802.11g/n, 6 x USB 2.0, 2 x USB 3.0, HDMI, 330 W, 5490 g, Black, Mini Tower, Windows 7 Home Premium SP1 64-bit
Pure processing power.
Alienware X51 packs options including the powerful Intel® Core™ i7 processor: The Brains leading you to epic new victories.
You've got speed.
Run several high-end applications with ease. Alienware X51 offers up to 8GB of high-performance dual-channel DDR3 memory.
Release your potential.
There are always new obstacles to face and new challenges to conquer, and Alienware X51 will be with you every step of the way.
A small system hides big entertainment power.
Whether standing vertically or laying horizontally, Alienware X51 turns virtually any living space into a world of high-end entertainment possibilities.
Build. Modify. Adapt.
With Alienware X51, desktop component upgrades are a breeze. From CPU and graphics cards to HDD and memory, you can keep your components up to date when other machines go extinct.
Take command of your game domain.
Alienware Command Center software features a powerful suite of customization options to make your X51 your own. Don't just play a game. Play your game.
AlienAdrenaline
The new AlienAdrenaline feature enables Game Mode, which lets you give each of your games a unique profile on your system. Disable unnecessary programs and activate your music player when you launch one game, or bring up key Web links when you launch another.
AlienFX
AlienFX® System Lighting Technology gives you access to a variety of themes and 8,000 distinct lighting combinations, so you can personalize as much as you like. Customize your system with game themes that respond to many in-game events with unique lighting effects to complete your immersion.
AlienFusion
AlienFusion power management controls allow you to configure your settings in order to maximize performance and efficiency while managing power usage. Crank up the settings for hardcore gaming and resource-intensive tasks, or scale it back for running everyday programs.
Complete your Alienware X51 experience
Your Alienware X51 is just the start. When you buy from Dell, you can get much more than just a gaming system. You can customize an experience that's just right for you.
