Product comparison · 2 internal hard drives

HP 20-GB, UATA, 100/7200 vs Seagate Momentus SATA 320GB

7specifications compared
5differ
2identical
9known for one product only

Key differences

HDD capacity
- 20-GB, UATA, 100/7200:20 GB
- Momentus SATA 320GB:320 GB
HDD size
- 20-GB, UATA, 100/7200:3.5"
- Momentus SATA 320GB:2.5"
Interface
- 20-GB, UATA, 100/7200:Ultra-ATA/100
- Momentus SATA 320GB:Serial ATA
Operating voltage
- 20-GB, UATA, 100/7200:5 / 12 V
- Momentus SATA 320GB:5 V
Weight
- 20-GB, UATA, 100/7200:907 g
- Momentus SATA 320GB:110 g

Side by side

Differences highlightedShow differences only

Comparison of 20-GB, UATA, 100/7200, Momentus SATA 320GB
16 specifications	A HP 20-GB, UATA, 100/7200 View product	B Seagate Momentus SATA 320GB View product
Features3 differ
HDD capacityDiffers	20 GB	320 GB
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
TypeKnown for one	HDD	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightDiffers	907 g	110 g

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.

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