Product comparison · 2 internal hard drives

Fujitsu MJA2 Series Hard Drive vs Seagate 146GB 2.5" SAS

18specifications compared
13differ
5identical
19known for one product only

Key differences

The Fujitsu MJA2 Series Hard Drive has 254 GB more HDD capacity than the Seagate 146GB 2.5" SAS (400 GB vs 146 GB). The Seagate 146GB 2.5" SAS has 4,600 RPM more HDD speed than the Fujitsu MJA2 Series Hard Drive (10000 RPM vs 5400 RPM). The Seagate 146GB 2.5" SAS has 8 MB more storage drive buffer size than the Fujitsu MJA2 Series Hard Drive (16 MB vs 8 MB). Interface: Serial ATA on the Fujitsu MJA2 Series Hard Drive, SAS on the Seagate 146GB 2.5" SAS. Storage temperature (T-T): -40 - 65 °C on the Fujitsu MJA2 Series Hard Drive, -40 - 70 °C on the Seagate 146GB 2.5" SAS.

HDD capacity
- MJA2 Series Hard Drive:400 GB
- 146GB 2.5" SAS:146 GB
HDD speed
- MJA2 Series Hard Drive:5400 RPM
- 146GB 2.5" SAS:10000 RPM
Interface
- MJA2 Series Hard Drive:Serial ATA
- 146GB 2.5" SAS:SAS
Storage drive buffer size
- MJA2 Series Hard Drive:8 MB
- 146GB 2.5" SAS:16 MB
Read seek time
- MJA2 Series Hard Drive:12 ms
- 146GB 2.5" SAS:3.6 ms
Write seek time
- MJA2 Series Hard Drive:14 ms
- 146GB 2.5" SAS:4.2 ms
Average latency
- MJA2 Series Hard Drive:5.56 ms
- 146GB 2.5" SAS:3 ms
Storage temperature (T-T)
- MJA2 Series Hard Drive:-40 - 65 °C
- 146GB 2.5" SAS:-40 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of MJA2 Series Hard Drive, 146GB 2.5" SAS
37 specifications	A Fujitsu MJA2 Series Hard Drive View product	B Seagate 146GB 2.5" SAS View product
Features7 differ
HDD capacityDiffers	400 GB	146 GB
HDD speedDiffers	5400 RPM	10000 RPM
InterfaceDiffers	Serial ATA	SAS
Storage drive buffer sizeDiffers	8 MB	16 MB
Read seek timeDiffers	12 ms	3.6 ms
Write seek timeDiffers	14 ms	4.2 ms
Track to track seek timeKnown for one	1.5 ms	Unknown — not stated by the source
Average latencyDiffers	5.56 ms	3 ms
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Unknown — not stated by the source	Server/workstation
HDD number of headsKnown for one	Unknown — not stated by the source	2
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1600000 h
Poweridentical
Power consumption (typical)Known for one	5 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.13 W	Unknown — not stated by the source
Power consumption (idle)Known for one	Unknown — not stated by the source	3.2 W
Start-up currentKnown for one	Unknown — not stated by the source	2.00 A
Operational conditions3 differ
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	8 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-300 - 12000 m	Unknown — not stated by the source
Operating shockDiffers	350 G	60 G
Non-operating shockDiffers	900 G	300 G
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	2.4 G
Weight & dimensions3 differ
DepthDiffers	100 mm	100.5 mm
HeightDiffers	9.5 mm	14.8 mm
WeightDiffers	101 g	227 g
Other featuresidentical
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Maximum data transfer rateKnown for one	300 Mbit/s	Unknown — not stated by the source
I/O portsKnown for one	1 x 7-pin Serial ATA/300 Serial ATA	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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