Product comparison · 2 internal hard drives

Seagate Momentus 80GB vs Seagate Momentus SATA 320GB

Key differences

Differences highlightedShow differences only

Comparison of Momentus 80GB, Momentus SATA 320GB
15 specifications	A Seagate Momentus 80GB View product	B Seagate Momentus SATA 320GB View product
Features5 differ
HDD capacityDiffers	80 GB	320 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Component for	Laptop	Laptop
Storage drive buffer sizeDiffers	8 MB	16 MB
Read seek time	11 ms	11 ms
Write seek time	13 ms	13 ms
Average latencyDiffers	5.56 ms	4.17 ms
Poweridentical
Operating voltage	5 V	5 V
Weight & dimensions1 differ
Width	69.8 mm	69.8 mm
Depth	100.5 mm	100.5 mm
Height	9.5 mm	9.5 mm
WeightDiffers	102 g	110 g
Other featuresidentical
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.