HP CQ57-410US, CQ57-439WM, CQ57-489CA, CQ57-489WM manual Hard drive specifications

Hard drive specifications

	500-GB*	320-GB*	250-GB*
Dimensions
Height	9.5 mm	9.5 mm	7.0 mm
Length	100.4 mm	100.4 mm	100.4 mm
Width	69.9 mm	69.9 mm	69.9 mm
Weight	110 g	110 g	110 g
Interface type	SATA	SATA	SATA
Transfer rate
Synchronous (maximum)	1.1 GB/sec	1.1 GB/sec	1.1 GB/sec
Security	ATA security	ATA security	ATA security
Seek times (typical read, including setting)
Single track	1.5 ms	1.5 ms	1.5 ms
Average (read/write)	11/13 ms	11/13 ms	11/13 ms
Maximum	22 ms	22 ms	22 ms
Logical blocks	976,773,168	628,142,448	488,397,168
Disk rotational speed	5400 rpm	5400 rpm	5400 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 91