Product comparison · 2 internal hard drives

Fujitsu 300GB 3.5" 10k SAS 3GB/s vs Seagate Constellation.2 1TB

11specifications compared
9differ
2identical
22known for one product only

Key differences

HDD capacity
- 300GB 3.5" 10k SAS 3GB/s:300 GB
- Constellation.2 1TB:1 TB
HDD speed
- 300GB 3.5" 10k SAS 3GB/s:10000 RPM
- Constellation.2 1TB:7200 RPM
HDD size
- 300GB 3.5" 10k SAS 3GB/s:3.5"
- Constellation.2 1TB:2.5"
Interface
- 300GB 3.5" 10k SAS 3GB/s:SAS
- Constellation.2 1TB:Serial ATA III
Operating voltage
- 300GB 3.5" 10k SAS 3GB/s:5 / 12 V
- Constellation.2 1TB:5 V
Storage temperature (T-T)
- 300GB 3.5" 10k SAS 3GB/s:-20 - 60 °C
- Constellation.2 1TB:-40 - 70 °C
Operating relative humidity (H-H)
- 300GB 3.5" 10k SAS 3GB/s:10 - 90%
- Constellation.2 1TB:5 - 95%
Storage relative humidity (H-H)
- 300GB 3.5" 10k SAS 3GB/s:5 - 90%
- Constellation.2 1TB:5 - 95%

Side by side

Differences highlightedShow differences only

Comparison of 300GB 3.5" 10k SAS 3GB/s, Constellation.2 1TB
33 specifications	A Fujitsu 300GB 3.5" 10k SAS 3GB/s View product	B Seagate Constellation.2 1TB View product
Features4 differ
HDD capacityDiffers	300 GB	1 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
Read seek timeKnown for one	Unknown — not stated by the source	7.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.44 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditions3 differ
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)Differs	-20 - 60 °C	-40 - 70 °C
Operating relative humidity (H-H)Differs	10 - 90%	5 - 95%
Storage relative humidity (H-H)Differs	5 - 90%	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12195 m
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	200 g
Other features1 differ
Product colourKnown for one	Unknown — not stated by the source	Black
Data transfer rateDiffers	3 Gbit/s	6 Gbit/s
Drive ready timeKnown for one	Unknown — not stated by the source	20 s
Internal	Yes	Yes
Recording densityKnown for one	Unknown — not stated by the source	1544 kbit/inch
Track densityKnown for one	Unknown — not stated by the source	270 Ktracks/inch
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
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

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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