Product comparison · 2 internal hard drives

Dell 80GB ATA 2.5" vs Dell 80GB SATA 2.5"

Key differences

Differences highlightedShow differences only

Comparison of 80GB ATA 2.5", 80GB SATA 2.5"
16 specifications	A Dell 80GB ATA 2.5"View product	B Dell 80GB SATA 2.5"View product
Features3 differ
HDD capacity	80 GB	80 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	IDE/ATA	Serial ATA
Storage drive buffer size	8 MB	8 MB
Average seek timeDiffers	12 ms	11 ms
Average latencyDiffers	5.56 ms	5.5 ms
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Operating voltage	5 V	5 V
Weight & dimensionsidentical
WidthKnown for one	711 mm	Unknown — not stated by the source
Depth	99 mm	99 mm
Height	101 mm	101 mm
WeightKnown for one	Unknown — not stated by the source	711 g
Other features1 differ
Product colour	Black	Black
Drive device, transfer rateDiffers	100 MB/s	150 MB/s
Internal	Yes	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.