HP 4730s LJ525UT#ABA manual Hard drive specifications

Hard drive specifications

	750-GB*	640-GB*	500-GB*	320-GB*	250-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	115 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	1.5 ms	2 ms	3 ms	3 ms	3 ms
Average	11 ms	12 ms	13 ms	13 ms	13 ms
Maximum	14 ms	22 ms	24 ms	24 ms	24 ms
Logical blocks	1,465,149,168	1,250,263,728	1,048,576,000	625,141,400	488,397,168
Disc rotational speed	7200 rpm		7200 rpm or 5400 rpm
Operating temperature		5°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.

120 Chapter 6 Specifications