Product comparison · 2 internal hard drives

Fujitsu 80GB, 2.5", 7200rpm vs Seagate ST930818SM 30GB

18specifications compared
9differ
9identical
16known for one product only

Key differences

The Fujitsu 80GB, 2.5", 7200rpm has 50 GB more HDD capacity than the Seagate ST930818SM 30GB (80 GB vs 30 GB). The Fujitsu 80GB, 2.5", 7200rpm has 1,800 RPM more HDD speed than the Seagate ST930818SM 30GB (7200 RPM vs 5400 RPM). The Seagate ST930818SM 30GB has 2.5 ms more read seek time than the Fujitsu 80GB, 2.5", 7200rpm (13 ms vs 10.5 ms). Operating temperature (T-T): 5 - 55 °C on the Fujitsu 80GB, 2.5", 7200rpm, -20 - 75 °C on the Seagate ST930818SM 30GB.

HDD capacity
- 80GB, 2.5", 7200rpm:80 GB
- ST930818SM 30GB:30 GB
HDD speed
- 80GB, 2.5", 7200rpm:7200 RPM
- ST930818SM 30GB:5400 RPM
Read seek time
- 80GB, 2.5", 7200rpm:10.5 ms
- ST930818SM 30GB:13 ms
Write seek time
- 80GB, 2.5", 7200rpm:12.5 ms
- ST930818SM 30GB:14 ms
Track to track seek time
- 80GB, 2.5", 7200rpm:1.5 ms
- ST930818SM 30GB:1 ms
Average latency
- 80GB, 2.5", 7200rpm:4.17 ms
- ST930818SM 30GB:5.6 ms
Operating temperature (T-T)
- 80GB, 2.5", 7200rpm:5 - 55 °C
- ST930818SM 30GB:-20 - 75 °C
Depth
- 80GB, 2.5", 7200rpm:100 mm
- ST930818SM 30GB:100.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 80GB, 2.5", 7200rpm, ST930818SM 30GB
34 specifications	A Fujitsu 80GB, 2.5", 7200rpm View product	B Seagate ST930818SM 30GB View product
Features6 differ
HDD capacityDiffers	80 GB	30 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer size	8 MB	8 MB
Read seek timeDiffers	10.5 ms	13 ms
Write seek timeDiffers	12.5 ms	14 ms
Track to track seek timeDiffers	1.5 ms	1 ms
Average latencyDiffers	4.17 ms	5.6 ms
Bytes per sector	512	512
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsKnown for one	Unknown — not stated by the source	1
Full stroke seek timeKnown for one	Unknown — not stated by the source	23 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
Poweridentical
Power consumption (standby)Known for one	0.13 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	-20 - 75 °C
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 90%	Unknown — not stated by the source
Operating vibrationKnown for one	9.8 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	49 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	-300 - 12000 m	Unknown — not stated by the source
Non-operating shockKnown for one	900 G	Unknown — not stated by the source
Weight & dimensions2 differ
Width	69.8 mm	69.8 mm
DepthDiffers	100 mm	100.5 mm
Height	9.5 mm	9.5 mm
WeightDiffers	116 g	102 g
Other featuresidentical
Data transfer rate	3 Gbit/s	3 Gbit/s
Internal	Yes	Yes
Power requirementsKnown for one	Unknown — not stated by the source	5V ± 5%
Recording densityKnown for one	Unknown — not stated by the source	840 kbit/inch
Track densityKnown for one	Unknown — not stated by the source	150k tracks/inch

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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