Dell Precision M4500 (Early 2010) - Manual (Page 47)

Display
Option 1: High Definition
Maximum resolution 1366 (H) x 768 (V) at 262K colors
Typical brightness 220 nits
Refresh rate 60 Hz
Viewing angle
Horizontal 40 degrees/40 degrees
Vertical 15 degrees/30 degrees
Pixel pitch 0.250 mm x 0.250 mm
Option 2: High Definition and Wide View Anti-Glare
Maximum resolution 1600 (H) x 900 (V) at 262K colors
Typical brightness 250 nits
Refresh rate 60 Hz
Viewing angle
Horizontal 55 degrees/55 degrees
Vertical 45 degrees/45 degrees
Pixel pitch 0.216 mm x 0.216 mm
Option 3: Full High Definition
Maximum resolution 1920 (H) x 1080 (V) at 262K colors
Maximum brightness 300 nits
Refresh rate 60 Hz
Viewing angle
Horizontal 55 degrees/55 degrees
Vertical 45 degrees/45 degrees
Pixel pitch 0.179 mm x 0.179 mm
Type and size 396.24 mm (15.6 inch) diagonal TFT with white LED
backlight
Active area (X/Y) 344.2 mm x 193.5 mm (13.55 inches x 7.61 inches)
Dimensions
Height 210 mm (8.26 inches)
Width 360 mm (14.17 inches)
Diagonal 417 mm (16.41 inches)
Keyboard
Number of keys United States: 83 keys
Europe: 84 keys
Japan: 87 keys
Layout QWERTY/AZERTY/Kanji
Backlit keyboard yes
Touchpad
Active area
X-axis 80 mm (3.15 inches)
Y-axis 45 mm (1.77 inches)
Battery
Type 6-cell "smart" lithium ion (60 WHr)
3-year life-time 9-cell "smart" lithium ion (81 WHr)
9-cell "smart" lithium ion (90 WHr)
12-cell "smart" lithium ion (88 WHr)
Charge time with computer off 6-,9-cell — approximately 1 hour to 80% capacity and
2 hours to 100% capacity.
12-cell — approximately 3 hours 20 minutes to 100%
capacity.
Operating time battery operating time varies depending on operating
conditions and can significantly reduce under certain
power-intensive conditions.
Life span approximately 300 charge/discharge cycles
Dimensions
Depth
6 -cell 206.00 mm (8.11 inches)
9 -cell 208.00 mm (8.18 inches)
12 -cell 14.48 mm (0.57 inch)
Height