Product comparison · 2 internal hard drives

Dell 146GB SAS 2.5" vs Dell 250GB SATA 3.5"

Key differences

Differences highlightedShow differences only

Comparison of 146GB SAS 2.5", 250GB SATA 3.5"
14 specifications	A Dell 146GB SAS 2.5"View product	B Dell 250GB SATA 3.5"View product
Features4 differ
HDD capacityDiffers	146 GB	250 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Other featuresidentical
Drive device, transfer rateKnown for one	Unknown — not stated by the source	150 MB/s

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.