Dell Precision 7720 - Keyboard; Touchpad

Width 382.08 mm (15.04 inches)
Diagonal 438.38 mm (17.25 inches)
Active area (X/Y)
• FHD (1920 x 1080)
• UHD (3840 x 2160)
• HD+ TN (1600x900)
Maximum
resolution
• FHD (1920 x 1080)
• UHD (3840 x 2160)
• HD+ TN (1600x900)
Maximum
Brightness
• FHD (300 nits)
• UHD (400 nits)
• HD+ TN (220 nits)
Operating angle 0° (closed) to 135°
Refresh rate 60 Hz
Minimum viewing
angles:
Horizontal/\
• FHD (40/80)
• UHD (80)
• HD+ TN (40/40 degrees)
Vertical
• FHD (10/80)
• UHD (80)
• HD+ TN (10/30 degrees)
Keyboard
Features
Specification
Number of keys
• United States: 103 keys
• United Kingdom: 104 keys
• Brazil: 106 keys
• Japan: 107 keys
Layout QWERTY/AZERTY/Kanji
Touchpad
Features
Specification
X/Y position
resolution
• X: 41.27+-4.13 counts/mm
• Y: 38.75+-3.88 counts/mm
• 1048/984 cpi
Size Sensor-active area:
• Width: 99.5mm (3.92 inches)
• Height: 53mm (2.09 inches)
Multi-Touch Configurable single finger and multi-finger gestures
System specifications 61