Product comparison · 2 internal hard drives

Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II vs HP 20GB Ultra ATA/100 IDE

4specifications compared
3differ
1identical
7known for one product only

Key differences

The Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II has 230 GB more HDD capacity than the HP 20GB Ultra ATA/100 IDE (250 GB vs 20 GB). The Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II has 1,800 RPM more HDD speed than the HP 20GB Ultra ATA/100 IDE (7200 RPM vs 5400 RPM). Interface: Serial ATA on the Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II, Ultra-ATA/100 on the HP 20GB Ultra ATA/100 IDE.

HDD capacity
- Replacement 250GB Drive for 1.0TB Terastation Pro II:250 GB
- 20GB Ultra ATA/100 IDE:20 GB
HDD speed
- Replacement 250GB Drive for 1.0TB Terastation Pro II:7200 RPM
- 20GB Ultra ATA/100 IDE:5400 RPM
Interface
- Replacement 250GB Drive for 1.0TB Terastation Pro II:Serial ATA
- 20GB Ultra ATA/100 IDE:Ultra-ATA/100

Side by side

Differences highlightedShow differences only

Comparison of Replacement 250GB Drive for 1.0TB Terastation Pro II, 20GB Ultra ATA/100 IDE
11 specifications	A Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II View product	B HP 20GB Ultra ATA/100 IDE View product
Features3 differ
HDD capacityDiffers	250 GB	20 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
InterfaceDiffers	Serial ATA	Ultra-ATA/100
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Other featuresidentical
Internal	Yes	Yes
Maximum data transfer rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Product colourKnown for one	Black	Unknown — not stated by the source
Compatible productsKnown for one	TeraStation Pro II	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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