HP ProBook 450 G4 Notebook PC and HP ProBook 455 G4 Notebook PC - Maintenance and Service Guide

10 Specications
Computer specications
Metric U.S.
Dimensions
Depth 263.0 mm 10.35 in
Width 382.0 mm 15.04 in
Height 24.4 mm 0.96 in
Weight (1 DIMM, WLAN, webcam, no ngerprint reader, no WWAN)
Non-touch: M.2 SSD, no optical drive 2.04 kg 4.49 lbs
Non-touch: M.2 SSD, optical drive 2.15 kg 4.74 lbs
Non-touch: hard drive, no optical drive 2.12 kg 4.67 lbs
Non-touch: hard drive, optical drive 2.23 kg 4.91 lbs
Touch: M.2 SSD, no optical drive 2.53 kg 5.57 lbs
Touch: M.2 SSD, optical drive 2.64 kg 5.82 lbs
Touch: hard drive, no optical drive 2.61 kg 5.75 lbs
Touch: hard drive, optical drive 2.72 kg 5.99 lbs
Input power
Operating voltage 19.0 V dc @ 4.74 A – 90 W or 18.5 V dc @ 3.5 A - 65 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
Computer specications 103