HP Dv4 1540us Service Guide - Page 136

Hard drive specifications - rating

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Hard drive specifications 250-GB* 200-GB* 160-GB* 120-GB* 80-GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm 9.5 mm 9.5 mm Width 70 mm Weight 102 g Interface type SATA Transfer rate Synchronous (maximum) 100 MB/sec Security ATA security Seek times (typical read, including setting) 70 mm 102 g SATA 100 MB/sec ATA security 70 mm 102 g SATA 70 mm 102 g SATA 70 mm 102 g SATA 100 MB/sec ATA security 100 MB/sec ATA security 100 MB/sec ATA security Single track 3 ms 2 ms 3 ms 3 ms Average 13 ms 12 ms 13 ms 13 ms Maximum 24 ms 22 ms 24 ms 24 ms Logical blocks 495,702,655 390,721,968 317,249,699 237,937,274 Disk rotational speed 5400 rpm Operating temperature 5°C to 55°C (41°F to 131°F) NOTE: Certain restrictions and exclusions apply. Consult technical support for details. 3 ms 13 ms 24 ms 158,624,849 *1 GB = 1 billion bytes when referring to hard drive storage capacity. Accessible capacity is less. Actual drive specifications may differ slightly. 500-GB* Dimensions Height 9.5 mm Width 70 mm Weight 102 g Interface Type SATA Synchronous (maximum) 100 MB/sec Security ATA security Seek times (typical read, including setting) Single track 1 ms Average 11 ms Maximum 22 ms Logical blocks 976,773,168 Disk rotational speed 128 Chapter 6 Specifications 400-GB* 9.5 mm 70 mm 102 g SATA 100 MB/sec ATA security 1 ms 11 ms 25 ms 781,422,768 5400 rpm 320-GB* 9.5 mm 70 mm 102 g SATA 100 MB/sec ATA security 3 ms 13 ms 24 ms 604,234,532

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Hard drive specifications
250-GB*
200-GB*
160-GB*
120-GB*
80-GB*
Dimensions
Height
9.5 mm
9.5 mm
9.5 mm
9.5 mm
9.5 mm
Width
70 mm
70 mm
70 mm
70 mm
70 mm
Weight
102 g
102 g
102 g
102 g
102 g
Interface type
SATA
SATA
SATA
SATA
SATA
Transfer rate
Synchronous (maximum)
100 MB/sec
100 MB/sec
100 MB/sec
100 MB/sec
100 MB/sec
Security
ATA security
ATA security
ATA security
ATA security
ATA security
Seek times
(typical read, including setting)
Single track
3 ms
2 ms
3 ms
3 ms
3 ms
Average
13 ms
12 ms
13 ms
13 ms
13 ms
Maximum
24 ms
22 ms
24 ms
24 ms
24 ms
Logical blocks
495,702,655
390,721,968
317,249,699
237,937,274
158,624,849
Disk rotational speed
5400 rpm
Operating temperature
5°C to 55°C (41°F to 131°F)
NOTE:
Certain restrictions and exclusions apply. Consult technical support for details.
*1 GB = 1 billion bytes when referring to hard drive storage capacity. Accessible capacity is less. Actual drive specifications
may differ slightly.
500-GB*
400-GB*
320-GB*
Dimensions
Height
9.5 mm
9.5 mm
9.5 mm
Width
70 mm
70 mm
70 mm
Weight
102 g
102 g
102 g
Interface Type
SATA
SATA
SATA
Synchronous (maximum)
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 ms
1 ms
3 ms
Average
11 ms
11 ms
13 ms
Maximum
22 ms
25 ms
24 ms
Logical blocks
976,773,168
781,422,768
604,234,532
Disk rotational speed
5400 rpm
128
Chapter 6
Specifications