Dell Precision 3550 - Keyboard

Table 19. Display specifications (continued)
Description Values
Panel technology
Wide Viewing Angle
(WVA)
Wide Viewing Angle
(WVA)
Wide Viewing Angle
(WVA)
Wide Viewing Angle
(WVA)
Luminance (typical)
220 nits 220 nits 220 nits 300 nits
Dimensions (Active
Area):
Height
193.60 mm (7.62 in.) 193.60 mm (7.62 in.) 193.60 mm (7.62 in.) 193.60 mm (7.62 in.)
Width
344.20 mm (13.55 in.) 344.20 mm (13.55 in.) 344.20 mm (13.55 in.) 344.20 mm (13.55
in.)
Diagonal
394.91 mm (15.55 in.) 394.91 mm (15.55 in.) 394.91 mm (15.55 in.) 394.91 mm (15.55
in.)
Native Resolution
1366x768 1920 x 1080 1920 x 1080 1920 x 1080
Megapixels
1049088 2073600 2073600 2073600
Pixels per Inch (PPI)
100 141 141 141
Contrast Ratio (min)
500:1 700:1 700:1 700:1
Response Time (max)
25 ms 25 ms 35 ms 35 ms
Refresh Rate
60 Hz 60 Hz 60 Hz 60 Hz
Horizontal View Angle
40/40 +/- degrees 80/80 +/- degrees 80/80 +/- degrees 80/80 +/- degrees
Vertical View Angle
10(U)/30(D) +/- degrees 80(U)/80(D) +/-
degrees
80(U)/80(D) +/-
degrees
80(U)/80(D) +/-
degrees
Pixel Pitch
0.252X0.252 mm 0.179X0.179 mm 0.179X0.179 mm 0.179X0.179 mm
Power Consumption
(maximum)
4.20 W 4.2 W 4.2 W 4.6 W
Anti-glare vs glossy
finish
Anti-glare Anti-glare Anti-glare Anti-glare
Touch options
No No Yes No
Keyboard
Table 20. Keyboard specifications
Feature Specifications
Number of keys
● 81 (U.S. and Canada)
● 82 (UK/Brazil)
● 85 (Japan)
● 102 (U.S. and Canada)
● 103 (UK)
● 106 (Japan)
Size Full sized
Technical specifications 19