Dell Alienware M15x (Early 2011) - Manual (Page 7)

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COMPREHENSIVE SPECIFICATIONS
Battery
Type and dimensions
6-cell “smart” lithium ion (57 Whr)
Depth
53.8 mm (2.12 inches)
Height 21.3 mm (0.84 inches)
Width 213 mm (8.39 inches)
Weight 0.33 kg (0.72 lb)
9-cell “smart” lithium ion (86 Whr) (optional)
Depth
53.8 mm (2.12 inches)
Height 36.9 mm (1.45 inches)
Width 330 mm (12.99 inches)
Weight 0.5 kg (1.1 lb)
Voltage 12.6 VDC
Operating time Battery operating time varies depending
on operating conditions and can be
significantly reduced under certain
power-intensive conditions
Life span (approximate) 300 discharge/charge cycles
Display
Type
(WLED) 15.6 inch HD+ (1600 x 900) •
15.6 inch FHD (1920 x 1080) •
Refresh Rate 60 Hz
Operating angle 0° (closed) to 140°
Pixel pitch 0.2550 mm
Controls brightness can be controlled through keyboard
shortcuts
Keyboard (Backlit)
Layouts
U.S. and Canada; Europe; Japan
Backlight color RGB; colors can be changed by invoking the
AlienFX ® application in the Alienware Command
Center. For details, see your Mobile Manual
Touch pad
X/Y position resolution
(graphics table mode)
240 cpi
Width 71.7-mm (2.8-inches) sensor-active area
Height 34.0-mm (1.3-inches) rectangle