Product comparison · 2 internal hard drives

HP 20-GB, UATA, 100/7200 vs Seagate Barracuda ES.2 SATA 250GB

5specifications compared
3differ
2identical
10known for one product only

Key differences

HDD capacity
- 20-GB, UATA, 100/7200:20 GB
- Barracuda ES.2 SATA 250GB:250 GB
Interface
- 20-GB, UATA, 100/7200:Ultra-ATA/100
- Barracuda ES.2 SATA 250GB:Serial ATA
Weight
- 20-GB, UATA, 100/7200:907 g
- Barracuda ES.2 SATA 250GB:518 g

Side by side

Differences highlightedShow differences only

Comparison of 20-GB, UATA, 100/7200, Barracuda ES.2 SATA 250GB
15 specifications	A HP 20-GB, UATA, 100/7200 View product	B Seagate Barracuda ES.2 SATA 250GB View product
Features2 differ
HDD capacityDiffers	20 GB	250 GB
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightDiffers	907 g	518 g
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source

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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