HP 731179-251 User Manual
Hard drive specifications
1-TB*
500-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
115 g
Interface type
SATA
SATA
SATA
Transfer rate
Synchronous (maximum)
Synchronous (maximum) 300 MB/s (Drive Capability)
Security
ATA security
Seek times (typical read, including setting)
Single track
3 ms
1.5ms/3 ms
1.5 ms
Average (read/write)
13 ms
11 ms/13 ms
11 ms
Maximum
24 ms
22 ms/24 ms
22 ms
Logical blocks
1,953,525,168
976,773,168
625,142,448
Disk rotational speed
5400 rpm
5400 rpm or 7200
rpm
rpm
5400 rpm or 7200
rpm
rpm
Operating temperature
0°C to 60°C (32°F to 140°F)
*1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
NOTE:
Certain restrictions and exclusions apply. Contact technical support for details.
Hard drive specifications
149