Users Guide

Table 16. Battery specifications (continued)
Description Values
Depth
81 mm (3.19 in.)
Temperature range:
Operating
0°C to 45°C (32°F to 113°F)
Storage
-20°C to 60°C (-4°F to 140°F)
Battery operating time Varies depending on operating conditions and can significantly
reduce under certain power-intensive conditions.
Battery charging time (approximate)
NOTE: Control the charging time, duration, start and end
time, and so on using the Dell Power Manager application.
For more information on the Dell Power Manager see, Me
and My Dell on www.dell.com.
4 hours (when the computer is off)
NOTE: Control the charging time, duration, start and end
time, and so on using the Dell Power Manager application.
For more information on the Dell Power Manager, see Me
and My Dell on www.dell.com.
Coin-cell battery
CR2032
Display
The following table lists the display specifications of your Alienware Area-51m R2.
Table 17. Display specifications
Description Option one Option two Option three
Display type
Full High Definition (FHD) Full High Definition (FHD) Ultra High Definition (UHD)
Display-panel technology
Wide-viewing angle (WVA) Wide-viewing angle (WVA) Wide-viewing angle (WVA)
Display-panel dimensions
(active area):
Height
214.81 mm (8.46 in.) 214.81 mm (8.46 in.) 214.81 mm (8.46 in.)
Width
381.89 mm (15.04 in.) 381.89 mm (15.04 in.) 381.89 mm (15.04 in.)
Diagonal
438.16 mm (17.3 in.) 438.16 mm (17.3 in.) 438.16 mm (17.3 in.)
Display-panel native resolution
1920 x 1080 1920 x 1080 3840 x 2160
Luminance (typical)
300 nits 300 nits 500 nits
Megapixels
2.07 2.07 8.29
Color gamut
72% NTSC 100% sRGB 100% Adobe RGB
Pixels Per Inch (PPI)
127 127 255
Contrast ratio (typ)
600:1 700:1 1200:1
Response time (max)
7 ms (GtG) 3 ms (GtG) 25 ms (Black to White)
Refresh rate
144 Hz 300 Hz 60 Hz
Horizontal view angle
85 +/- degrees 85 +/- degrees 85 +/- degrees
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