HP EliteBook 840r G4 - 10 Specifications; Computer Specifications

10 Specications
Computer specications
Metric U.S.
Dimensions
Length 237.0 mm 9.3 in
Width 338.0 mm 13.3 in
Height (non-touch) 18.9 mm 0.74 in
Height (touch) 20.2 mm 0.80 in
Weight
3-cell battery, UMA, no ngerprint reader, 1 SODIMM, WLAN, M.2
SSD, no camera, no WWAN, FHD panel
1.62 kg 3.56 lbs
3-cell battery, UMA, no ngerprint reader, 1 SODIMM, WLAN, M.2
SSD, no camera, no WWAN, FHD touch panel
1.74 kg 3.84 lbs
Input power
Operating voltage 19.0 V dc @ 4.74 A – 90 W or 18.5 V dc @ 3.5 A - 65 W or 45 W
Operating current 4.74 A or 3.5 A
Temperature
Operating (not writing to optical disc) 0°C to 35°C 32°F to 95°F
Operating (writing to optical disc) 5°C to 35°C 41°F to 95°F
Nonoperating -20°C to 60°C -4°F to 140°F
Relative humidity
Operating 10% to 90%
Nonoperating 5% to 95%
Maximum altitude (unpressurized)
Operating (14.7 to 10.1 psia) -15 m to 3,048 m 50 ft to 10,000 ft
Nonoperating (14.7 to 4.4 psia) -15 m to 12,192 m -50 ft to 40,000 ft
Shock
Operating 125 g, 2 ms, half-sine
Nonoperating 200 g, 2 ms, half-sine
Random vibration
Operating 0.75 g zero-to-peak, 10 Hz to 500 Hz, 0.25 oct/min sweep rate
84 Chapter 10 Specications