Product comparison · 2 internal hard drives

Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II vs Buffalo Replacement 400GB Drive for DriveStation Duo 800MB

6specifications compared
2differ
4identical
12known for one product only

Key differences

The Buffalo Replacement 400GB Drive for DriveStation Duo 800MB has 150 GB more HDD capacity than the Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II (400 GB vs 250 GB). Compatible products: TeraStation Pro II on the Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II, DriveStation Duo on the Buffalo Replacement 400GB Drive for DriveStation Duo 800MB.

HDD capacity
- Replacement 250GB Drive for 1.0TB Terastation Pro II:250 GB
- Replacement 400GB Drive for DriveStation Duo 800MB:400 GB
Compatible products
- Replacement 250GB Drive for 1.0TB Terastation Pro II:TeraStation Pro II
- Replacement 400GB Drive for DriveStation Duo 800MB:DriveStation Duo

Side by side

Differences highlightedShow differences only

Comparison of Replacement 250GB Drive for 1.0TB Terastation Pro II, Replacement 400GB Drive for DriveStation Duo 800MB
18 specifications	A Buffalo Replacement 250GB Drive for 1.0TB Terastation Pro II View product	B Buffalo Replacement 400GB Drive for DriveStation Duo 800MB View product
Features1 differ
HDD capacityDiffers	250 GB	400 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Average seek timeKnown for one	Unknown — not stated by the source	9 ms
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	102 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	27 mm
Other features1 differ
Product colour	Black	Black
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 2000/ XP/ MCE, MacOS X 10.2.7+
Internal	Yes	Yes
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Compatible productsDiffers	TeraStation Pro II	DriveStation Duo

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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