Dell Alienware M17x R4 (Early 2012) - Manual (Page 5)

Touchpad
X/Y position resolution
(graphics table mode) 742 cpi / 1166 cpi
Size
Height 54 mm (2.13 inches) sensor-active area
Width 100 mm (3.94 inches) rectangle
Backlit keyboard
Number of keys 101 (Korea, U.S., and Canada)
102 (Europe)
104 (Japan)
Backlight color RGB; colors can be changed by invoking the AlienFX
software in the Alienware Command Center
Display
Type • 17.3-inch FHD+ WLED
• 17.3-inch FHD TL 120 Hz WLED with NVIDIA
3D vision support
• 17.3-inch HD+ WLED
Maximum resolution 1920 x 1080
Dimensions
Height 215 mm (8.46 inches)
Width 382 mm (15.04 inches)
Diagonal 439 mm (17.28 inches)
Refresh rate 60 Hz
Operating angle 0° (closed) to 140°
Pixel pitch 0.2550 mm
Controls brightness can be controlled through keyboard
shortcuts
Camera
Camera resolution 2.1 megapixel
Video resolution 1920 x 1080
Diagonal viewing angle 66 °