HP ProBook 4520S, 4720S 6 Specifications

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 display assembly, 1 battery)

(equipped with optical drive, WXGA	< 2.5 kg	< 5.5 lbs
memory module, hard drive, and 6-cell

Weight – 17.3-in display assembly, 1 battery)

(equipped with optical drive, WXGA	< 3.1kg	< 6.8 lbs
memory module, hard drive, and 6-cell

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)

132 Chapter 6 Specifications