HP ProBook 4446s HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC - M - Page 94

-cm (14.0-in), HD display specifications, Hard drive specifications, Specifications

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35.6-cm (14.0-in), HD display specifications Active diagonal size Resolution Active area PPI Surface treatment Contrast ratio Response time Brightness Viewing angle Backlight Luminance uniformity @ 13 points Lifetime (1/2 luminance) Color coordinate (white) Color tolerance (W, R, G, B) Color gamut Metric 35.6-cm 1366x768 (HD) 309.399x173.952 112 Anti-glare or BrightView 300:1 (typical) - Anti-glare 500:1 - BrightView 8 ms 200 nits (typical) SVA LED 1.4 (typ), 1.6 (max) 12,000 hours (0.313, 0.329) +/- 0.03 45% typ U.S. 14.0-in Hard drive specifications 750-GB* Dimensions Height 9.5 mm Width 70 mm Weight 115 g Interface type SATA Transfer rate 100 MB/sec Security ATA security Seek times (typical read, including setting) Single track 1.5 ms Average 11 ms Maximum 14 ms Logical blocks 1,465,149,168 Disc rotational speed 7200 rpm or 5400 rpm 640-GB* 9.5 mm 70 mm 101 g SATA 100 MB/sec ATA security 2 ms 12 ms 22 ms 1,250,263,728 320-GB* 9.5 mm 70 mm 101 g SATA 100 MB/sec ATA security 3 ms 13 ms 24 ms 625,141,400 86 Chapter 6 Specifications

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35.6-cm (14.0-in), HD display specifications
Metric
U.S.
Active diagonal size
35.6-cm
14.0-in
Resolution
1366x768 (HD)
Active area
309.399x173.952
PPI
112
Surface treatment
Anti-glare or BrightView
Contrast ratio
300:1 (typical) – Anti-glare
500:1 – BrightView
Response time
8 ms
Brightness
200 nits (typical)
Viewing angle
SVA
Backlight
LED
Luminance uniformity @ 13 points
1.4 (typ), 1.6 (max)
Lifetime (1/2 luminance)
12,000 hours
Color coordinate (white)
(0.313, 0.329)
Color tolerance (W, R, G, B)
+/- 0.03
Color gamut
45% typ
Hard drive specifications
750-GB*
640-GB*
320-GB*
Dimensions
Height
9.5 mm
9.5 mm
9.5 mm
Width
70 mm
70 mm
70 mm
Weight
115 g
101 g
101 g
Interface type
SATA
SATA
SATA
Transfer rate
100 MB/sec
100 MB/sec
100 MB/sec
Security
ATA security
ATA security
ATA security
Seek times
(typical read, including setting)
Single track
1.5 ms
2 ms
3 ms
Average
11 ms
12 ms
13 ms
Maximum
14 ms
22 ms
24 ms
Logical blocks
1,465,149,168
1,250,263,728
625,141,400
Disc rotational speed
7200 rpm or 5400 rpm
86
Chapter 6
Specifications