Product comparison · 2 internal hard drives

Fujitsu 500GB, 2.5", 5400rpm vs Seagate 146GB 2.5" SAS

21specifications compared
15differ
6identical
12known for one product only

Key differences

The Fujitsu 500GB, 2.5", 5400rpm has 354 GB more HDD capacity than the Seagate 146GB 2.5" SAS (500 GB vs 146 GB). The Seagate 146GB 2.5" SAS has 4,600 RPM more HDD speed than the Fujitsu 500GB, 2.5", 5400rpm (10000 RPM vs 5400 RPM). The Seagate 146GB 2.5" SAS has 8 MB more storage drive buffer size than the Fujitsu 500GB, 2.5", 5400rpm (16 MB vs 8 MB). Interface: Serial ATA on the Fujitsu 500GB, 2.5", 5400rpm, SAS on the Seagate 146GB 2.5" SAS. Storage temperature (T-T): -40 - 65 °C on the Fujitsu 500GB, 2.5", 5400rpm, -40 - 70 °C on the Seagate 146GB 2.5" SAS.

HDD capacity
- 500GB, 2.5", 5400rpm:500 GB
- 146GB 2.5" SAS:146 GB
HDD speed
- 500GB, 2.5", 5400rpm:5400 RPM
- 146GB 2.5" SAS:10000 RPM
Interface
- 500GB, 2.5", 5400rpm:Serial ATA
- 146GB 2.5" SAS:SAS
Storage drive buffer size
- 500GB, 2.5", 5400rpm:8 MB
- 146GB 2.5" SAS:16 MB
Read seek time
- 500GB, 2.5", 5400rpm:12 ms
- 146GB 2.5" SAS:3.6 ms
Write seek time
- 500GB, 2.5", 5400rpm:14 ms
- 146GB 2.5" SAS:4.2 ms
Average latency
- 500GB, 2.5", 5400rpm:5.56 ms
- 146GB 2.5" SAS:3 ms
Storage temperature (T-T)
- 500GB, 2.5", 5400rpm:-40 - 65 °C
- 146GB 2.5" SAS:-40 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of 500GB, 2.5", 5400rpm, 146GB 2.5" SAS
33 specifications	A Fujitsu 500GB, 2.5", 5400rpm View product	B Seagate 146GB 2.5" SAS View product
Features7 differ
HDD capacityDiffers	500 GB	146 GB
HDD speedDiffers	5400 RPM	10000 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	SAS
Type	HDD	HDD
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
Bytes per sector	512	512
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 (standby)Known for one	0.13 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
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 conditions5 differ
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
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 vibrationDiffers	1 G	0.5 G
Non-operating vibrationDiffers	5 G	2.4 G
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
Weight & dimensions3 differ
Width	70 mm	70 mm
DepthDiffers	100 mm	100.5 mm
HeightDiffers	9.5 mm	14.8 mm
WeightDiffers	101 g	227 g
Other featuresidentical
Acoustic pressure emissionsKnown for one	24 dB	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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