Product comparison · 2 internal hard drives

Dell 250GB SATA Hard Drive vs Dell 320GB SATA 7200rpm 3.5"

Key differences

The Dell 320GB SATA 7200rpm 3.5" has 70 GB more HDD capacity than the Dell 250GB SATA Hard Drive (320 GB vs 250 GB).

Differences highlightedShow differences only

Comparison of 250GB SATA Hard Drive, 320GB SATA 7200rpm 3.5"
7 specifications	A Dell 250GB SATA Hard Drive View product	B Dell 320GB SATA 7200rpm 3.5"View product
Features1 differ
HDD capacityDiffers	250 GB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Other featuresidentical
InternalKnown 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.