Other features
| Platform |
PC |
| Ethernet interface type |
Gigabit Ethernet |
| Processor manufacturer |
Intel |
| Networking features |
Gigabit Ethernet, WLAN |
| Power supply type |
AC/DC |
| Graphics adapter family |
NVIDIA, Intel |
| Speakers manufacturer |
MAXX |
Processor special features
| Intel Rapid Storage Technology |
N |
| Intel Fast Memory Access |
Y |
| Intel Flex Memory Access |
Y |
| Execute Disable Bit |
Y |
| Thermal Monitoring Technologies |
Y |
| Intel Trusted Execution Technology |
Y |
| Intel Virtualization Technology (VT-x) |
Y |
| Processor package size |
37.5 mm |
| Processor ARK ID |
52213 |
| Processor code |
SR00B |
| Intel® Quick Sync Video Technology |
Y |
| Intel® Insider™ |
Y |
| Intel 64 |
Y |
| Intel Clear Video Technology |
N |
| Intel Dual Display Capable Technology |
Y |
| CPU configuration (max) |
1 |
| Embedded options available |
Y |
| Intel Virtualization Technology for Directed I/O (VT-d) |
Y |
| Intel® Anti-Theft Technology (Intel® AT) |
N |
| Intel Hyper-Threading Technology |
Y |
| Intel® Turbo Boost Technology |
2.0 |
| Intel Enhanced Halt State |
Y |
| Intel® My WiFi Technology (Intel® MWT) |
N |
| Intel Clear Video Technology for MID |
N |
| Intel Demand Based Switching |
N |
| Intel® Wireless Display (Intel® WiDi) |
N |
| Intel® Clear Video HD Technology (Intel® CVT HD) |
Y |
| Supported instruction sets |
AVX |
| Idle States |
Y |
| Intel vPro Technology |
Y |
| 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 |
Graphics
| On-board graphics adapter |
Y |
| On-board graphics adapter ID |
0x102 |
| Discrete graphics adapter model |
NVIDIA GeForce GTX 555 |
| Number of discrete graphics adapters |
1 |
| On-board graphics adapter base frequency |
850 MHz |
| Discrete graphics adapter memory |
1024 GB |
| Number of displays supported (on-board graphics) |
2 |
| On-board graphics adapter family |
Intel HD Graphics |
| On-board graphics adapter dynamic frequency (max) |
1350 MHz |
Processor
| Processor cache |
8 MB |
| Processor lithography |
32 nm |
| Thermal Design Power (TDP) |
95 W |
| Maximum number of PCI Express lanes |
16 |
| Processor codename |
Sandy Bridge |
| Memory clock speeds supported by processor |
1066, 1333 MHz |
| Memory channels supported by processor |
Dual |
| Conflict Free processor |
N |
| FSB Parity |
N |
| CPU multiplier (bus/core ratio) |
34 |
| Processor operating modes |
64-bit |
| Stepping |
D2 |
| Processor cores |
4 |
| Processor frequency |
3.4 GHz |
| Tcase |
72.6 °C |
| ECC supported by processor |
N |
| 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 |
| PCI Express slots version |
2.0 |
| Number of processors installed |
1 |
| Processor boost frequency |
3.8 GHz |
Software
| Operating system architecture |
64-bit |
Networking
| Ethernet LAN data rates |
10, 100, 1000 Mbit/s |
| Cabling technology |
10/100/1000Base-T(X) |
| Wi-Fi |
Y |
Performance
| Audio output channels |
7.1 channels |
Memory
| Memory clock speed |
1333 MHz |
| Memory slots |
2x DIMM |
| Maximum internal memory |
16 GB |
| Internal memory |
8 GB |
| Internal memory type |
DDR3-SDRAM |
Packaging content
| Drivers included |
Y |
| Keyboard supplied |
Y |
| Mouse included |
Y |
| Windows keys |
Y |
| Display included |
N |
Storage
| Hard drive capacity |
1000 GB |
| Hard drive speed |
7200 RPM |
| Total storage capacity |
1000 GB |
| Card reader integrated |
N |
| Hard drive interface |
Serial ATA |
| Number of hard drives installed |
1 |
Optical drive
| Optical drive type |
DVD Super Multi |
Ports & interfaces
| Line-in |
Y |
| 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 |
| HDMI ports quantity |
1 |
| DVI port |
N |
Additionally
| InTru™ 3D Technology |
Y |
| Chipset |
Intel H61 Express |
| Intel AES New Instructions |
Y |
| Ethernet LAN (RJ-45) ports quantity |
1 |
| System bus data transfer rate |
5 GT/s |
| Ethernet LAN connection |
Y |
Intel Core i7-2600 Processor (8M Cache, up to 3.80 GHz), Intel H61, 8GB DDR3 1333MHz max.16GB, 1TB SATA HDD 7200rpm, nVidia GeForce GTX 555 1GB GDDR5, DVD Super Multi, Gigabit Ethernet, WLAN 802.11 a/b/g/n, Windows 7 Home Premium 64-bit
Accept the challenge.
Operating System: Windows® 7 Home Premium
Pure processing power.
Alienware X51 packs options including the powerful 3rd Gen 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 memory2.
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.
Accessories: At Dell™.com, you'll find a vast arsenal of electronics and accessories designed to enhance your gaming and multimedia experience, including headsets, keyboards and mice.
Services: Whether you have technical questions or simply need help setting up your new PC, you can count on Dell™. Choose from our menu of no-hassle PC services — from everyday troubleshooting to long-term support.
