Product comparison · 2 internal hard drives

Buffalo 3TB internal hard drive Serial ATA vs CoreParts WD Scorpio Blue 640GB SATA 5400rpm

5specifications compared
2differ
3identical
27known for one product only

Key differences

HDD capacity
- 3TB internal hard drive Serial ATA:3 TB
- WD Scorpio Blue 640GB SATA 5400rpm:640 GB
Data transfer rate
- 3TB internal hard drive Serial ATA:6 Gbit/s
- WD Scorpio Blue 640GB SATA 5400rpm:3 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 3TB, WD Scorpio Blue 640GB SATA 5400rpm
32 specifications	A Buffalo 3TB internal hard drive Serial ATA Model 3TB View product	B CoreParts WD Scorpio Blue 640GB SATA 5400rpm View product
Features1 differ
HDD capacityDiffers	3 TB	640 GB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Average latencyKnown for one	Unknown — not stated by the source	5.5 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.65 W
Power consumption (read)Known for one	Unknown — not stated by the source	1.6 W
Power consumption (write)Known for one	Unknown — not stated by the source	1.6 W
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Start-up currentKnown for one	Unknown — not stated by the source	0.95 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 65 °C	-40 - 65 °C
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.2 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	100 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Other features1 differ
Data transfer rateDiffers	6 Gbit/s	3 Gbit/s
Rotational speedKnown for one	Unknown — not stated by the source	5400 RPM
CertificationKnown for one	Unknown — not stated by the source	CE / RoHS
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	TeraStation 7120r	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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