Dell Alienware X51 Nvidia GT 545/GT 555 Display Driver for Windows 7 x64

Specifications:

- Processor
Intel Core i3-2120 Processor (3.30GHz, 3MB L3 Cache, 2C)
Intel Core i5-3450 (6M Cache, up to 3.5GHz)
Intel Core i7-3770 (3.40GHz, 8MB L3 Cache, 4C)

- Memory
Up to 6GB Dual Channel at 1333Mhz - 2 DIMMS
Up to 16GB Dual Channel at 1600Mhz - 2 DIMMS

- Hard Drive
Up to 2000GB SATA hard drive (7200RPM)
Up to 256GB Solid State hard drive

- Optical Drive
Slot-Loading Dual Layer DVD Burner (DVD+-RW, CD-RW) (Standard)

- Video Card
1GB GDDR5 NVIDIA GeForce GT 545
1.5GB GDDR5 NVIDIA GeForce GTX 660

- Wireless: Integrated 802.11 a/b/g/n Wi-Fi Wireless LAN

- Sound Card: Internal High-Definition 7.1 Performance Audio with WAVES MAXX Audio (Standard)

- Ports
Front I/O Ports
(2x) Hi-Speed USB 2.0
(1x) Microphone In
(1x) Headphone/Speaker Out

- Rear I/O Ports
(1x) On-board HDMI 1.4 Output
(1x) RJ-45 Gigabit Ethernet
(4x) Hi-Speed USB 2.0
(2x) SuperSpeed USB 3.0
(1x) Front Left/Right Speakers
(1x) Center Speaker
(1x) Rear Left/Right Speakers
(1x) Side Left/Right Speakers
(1x) SPDIF Digital Output (TOSLINK)
(1x) SPDIF Digital Output (Coax)

- Chassis
Physical System Dimensions
Height:
Front-Height: 13.504" (343mm)
Rear-Height: 12.54" (318.5mm)
Depth: 12.52" (318mm)
Width: 3.74" (95mm)
Starting Weight: 12.1 lbs (5.49 Kg)
Color
Matte Stealth Black with Dark Chrome Accents
Processor and Core Architecture
Processor Cooling
Alienware High-Performance Air Cooling
Chipset Architecture
Intel H61 Express Chipset
Motherboard Class
Mini-ITX Motherboard

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Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.