Product comparison · 2 internal hard drives

Dell 300GB SAS 15000rpm 2.5" vs HP 420GB IDE 3.5"

Key differences

Differences highlightedShow differences only

Comparison of 300GB SAS 15000rpm 2.5", 420GB IDE 3.5"
9 specifications	A Dell 300GB SAS 15000rpm 2.5"View product	B HP 420GB IDE 3.5"View product
Features3 differ
HDD capacityDiffers	300 GB	420 GB
HDD speedKnown for one	15000 RPM	Unknown — not stated by the source
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	IDE/ATA
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Read seek timeKnown for one	Unknown — not stated by the source	15.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	15.5 ms
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V

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.