HP 6550b, 6450b manual Typical reads, including

QuickSpecs

HP ProBook 6450b Notebook PC HP ProBook 6550b Notebook PC

Technical Specifications

500 GB 7200 rpm	Drive Weight	115 g (0.25 lbs)
SATA Hard Drive	Capacity	500 GB
	Height	9.5 mm (0.37 in)
	Width	70 mm (2.75 in)
	Interface	ATA-8, SATA 2.6, 3.0 Gb/s, NCQ
	Transfer Rate	Synchronous	100 MB/s (Drive Capability)
		(maximum)
	Seek Time	Single Track	1.5 ms
	(typical reads, including	Average	11 ms
	settling)	Maximum	22 ms
	Rotational Speed	7200 rpm
	Logical Blocks	976,773,168
	Operating	0° to 60° C (32° to 140° F) [case temp]
	Temperature
	Features	ATA Security
320 GB 7200 rpm	Drive Weight	0.25 lbs (115 g)
SATA Hard Drive	Capacity	320 GB
	Height	0.37 in (9.5 mm)
	Width	2.75 in (70 mm)
	Interface	ATA-8, SATA 2.6, 3.0 Gb/s, NCQ
	Transfer Rate	Synchronous	100 MB/s (Drive Capability)
		(maximum)
	Seek Time	Single Track	1.5 ms
	(typical reads, including	Average	11 ms
	settling)	Maximum	22 ms
	Rotational Speed	7200 rpm
	Logical Blocks	625,142,448
	Operating	0° to 60° C (32° to 140° F) [case temp]
	Temperature
	Features	ATA Security
250 GB 7200 rpm	Drive Weight	115g (0.25 lbs)
SATA Hard Drive	Capacity	250 GB
	Height	9.5 mm (0.37 in)
	Width	70 mm (2.75 in)
	Interface	ATA-8, SATA 2.6, 3.0 Gb/s, NCQ
	Transfer Rate	Synchronous	100 MB/s (Drive Capability)
		(maximum)

DA – 13616 EMEA — Version 1 — May, 2010 Page 27