HP CQ42-168TU, CQ42-109TU, CQ42-103TU, CQ42-275TX, CQ42-276TU, CQ42-189TX Hard drive specifications

Hard drive specifications

	750 GB*	500-GB*	320-GB*	250-GB*	160-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	101 g	101 g	101 g	101 g	101 g
Interface type	SATA	SATA	SATA	SATA	SATA
Transfer rate	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	3.0 ms	1.0 ms	1.5 ms	2.0 ms	1.5 ms
Average	13.0 ms	14.0 ms	12.0 ms	12.0 ms	11.0 ms
Maximum	24.0 ms	22.0 ms	22.0 ms	22.0 ms	22.0 ms
Logical blocks	1,465,128,35	976,773,168	625,142,448	488,397,168	312,581,808
	9
Disc rotational speed	5400 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm

Operating temperature5°C to 55°C (41°F to 131°F)

*1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less. Actual drive specifications may differ slightly.

NOTE: Certain restrictions and exclusions apply. Contact technical support for details.

ENWW Hard drive specifications 111