Product comparison · 2 internal hard drives

HP 20-GB, UATA, 100/7200 vs Seagate Cheetah 15K.5 SAS 146.8GB

5specifications compared
4differ
1identical
10known for one product only

Key differences

HDD capacity
- 20-GB, UATA, 100/7200:20 GB
- Cheetah 15K.5 SAS 146.8GB:146.8 GB
HDD speed
- 20-GB, UATA, 100/7200:7200 RPM
- Cheetah 15K.5 SAS 146.8GB:15000 RPM
Interface
- 20-GB, UATA, 100/7200:Ultra-ATA/100
- Cheetah 15K.5 SAS 146.8GB:SAS
Weight
- 20-GB, UATA, 100/7200:907 g
- Cheetah 15K.5 SAS 146.8GB:839 g

Side by side

Differences highlightedShow differences only

Comparison of 20-GB, UATA, 100/7200, Cheetah 15K.5 SAS 146.8GB
15 specifications	A HP 20-GB, UATA, 100/7200 View product	B Seagate Cheetah 15K.5 SAS 146.8GB View product
Features3 differ
HDD capacityDiffers	20 GB	146.8 GB
HDD speedDiffers	7200 RPM	15000 RPM
InterfaceDiffers	Ultra-ATA/100	SAS
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	3.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	4 ms
Average latencyKnown for one	Unknown — not stated by the source	2 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	101.8 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	839 g
Other featuresidentical
Internal	Yes	Yes
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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