Product comparison · 2 internal hard drives

HP 320GB 7.2k SATA 2.5" vs HP 450GB SAS 15000rpm 3.5"

Key differences

Differences highlightedShow differences only

Comparison of 320GB 7.2k SATA 2.5", 450GB SAS 15000rpm 3.5"
8 specifications	A HP 320GB 7.2k SATA 2.5"View product	B HP 450GB SAS 15000rpm 3.5"View product
Features4 differ
HDD capacityDiffers	250 GB	450 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA	SAS
TypeKnown for one	HDD	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Other featuresidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.