HP ProBook 4520s HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Page 129

Specifications, Computer specifications

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6 Specifications Computer specifications Dimensions - 15.6-in Depth Width Height (front to rear) Dimensions - 17.3-in Depth Width Height (front to rear) Weight - 15.6-in (equipped with optical drive, WXGA display assembly, 1 memory module, hard drive, and 6-cell battery) Weight - 17.3-in (equipped with optical drive, WXGA display assembly, 1 memory module, hard drive, and 6-cell battery) Input power Operating voltage Operating current Temperature Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating Relative humidity Operating Nonoperating Maximum altitude (unpressurized) Metric 24.96 cm 37.18 cm 2.77 to 3.55 cm 26.64 cm 41.60 cm 2.82 to 3.60 cm < 2.5 kg < 3.1kg U.S. 9.83 in 14.6 in 1.09 to 1.40 in 10.49 in 16.17 in 1.11 to 1.48 in < 5.5 lbs < 6.8 lbs 18.5 V dc @ 4.74 A - 90 W 4.74 A 0°C to 35°C 5°C to 35°C -20°C to 60°C 32°F to 95°F 41°F to 95°F -4°F to 140°F 10% to 90% 5% to 95% Computer specifications 121

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6
Specifications
Computer specifications
Metric
U.S.
Dimensions – 15.6-in
Depth
24.96 cm
9.83 in
Width
37.18 cm
14.6 in
Height (front to rear)
2.77 to 3.55 cm
1.09 to 1.40 in
Dimensions – 17.3-in
Depth
26.64 cm
10.49 in
Width
41.60 cm
16.17 in
Height (front to rear)
2.82 to 3.60 cm
1.11 to 1.48 in
Weight – 15.6-in
(equipped with optical drive, WXGA
display assembly, 1 memory module, hard drive, and 6-cell
battery)
< 2.5 kg
< 5.5 lbs
Weight – 17.3-in
(equipped with optical drive, WXGA
display assembly, 1 memory module, hard drive, and 6-cell
battery)
< 3.1kg
< 6.8 lbs
Input power
Operating voltage
18.5 V dc @ 4.74 A – 90 W
Operating current
4.74 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)
Computer specifications
121