Product comparison · 2 internal hard drives

Seagate 640GB SATA II vs Seagate Momentus STBD750201 internal hard drive

9specifications compared
5differ
4identical
25known for one product only

Key differences

HDD capacity
- 640GB SATA II:640 GB
- Momentus STBD750201 internal hard drive:750 GB
HDD speed
- 640GB SATA II:5400 RPM
- Momentus STBD750201 internal hard drive:7200 RPM
Interface
- 640GB SATA II:Serial ATA II
- Momentus STBD750201 internal hard drive:Serial ATA III
Storage drive buffer size
- 640GB SATA II:8 MB
- Momentus STBD750201 internal hard drive:32 MB
Data transfer rate
- 640GB SATA II:3 Gbit/s
- Momentus STBD750201 internal hard drive:6 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 640GB SATA II, STBD750201
34 specifications	A Seagate 640GB SATA II View product	B Seagate Momentus STBD750201 internal hard drive Model STBD750201 View product
Features4 differ
HDD capacityDiffers	640 GB	750 GB
HDD speedDiffers	5400 RPM	7200 RPM
InterfaceDiffers	Serial ATA II	Serial ATA III
Storage drive buffer sizeDiffers	8 MB	32 MB
Read seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
TypeKnown for one	Unknown — not stated by the source	Hybrid-HDD
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
Poweridentical
Power consumption (idle)Known for one	0.7 W	Unknown — not stated by the source
Power consumption (read)Known for one	2.2 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.2 W	Unknown — not stated by the source
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	1.5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-400 - 15000 m	Unknown — not stated by the source
Operating shockKnown for one	325 G	Unknown — not stated by the source
Non-operating shockKnown for one	750 G	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	69.8 mm	Unknown — not stated by the source
DepthKnown for one	100.3 mm	Unknown — not stated by the source
HeightKnown for one	9.5 mm	Unknown — not stated by the source
WeightKnown for one	107 g	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Other features1 differ
Data transfer rateDiffers	3 Gbit/s	6 Gbit/s
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Multicolour
InternalKnown for one	Unknown — not stated by the source	Yes

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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