Product comparison · 2 internal hard drives

Fujitsu 300GB, 3.5", 15K vs Seagate ST930818SM 30GB

15specifications compared
14differ
1identical
22known for one product only

Key differences

HDD capacity
- 300GB, 3.5", 15K:300 GB
- ST930818SM 30GB:30 GB
HDD speed
- 300GB, 3.5", 15K:15000 RPM
- ST930818SM 30GB:5400 RPM
HDD size
- 300GB, 3.5", 15K:3.5"
- ST930818SM 30GB:2.5"
Interface
- 300GB, 3.5", 15K:SCSI
- ST930818SM 30GB:Serial ATA
HDD number of cylinders
- 300GB, 3.5", 15K:4
- ST930818SM 30GB:16383
HDD number of heads
- 300GB, 3.5", 15K:8
- ST930818SM 30GB:1
Average latency
- 300GB, 3.5", 15K:2 ms
- ST930818SM 30GB:5.6 ms
Mean time between failures (MTBF)
- 300GB, 3.5", 15K:1400000 h
- ST930818SM 30GB:1000000 h

Side by side

Differences highlightedShow differences only

Comparison of 300GB, 3.5", 15K, ST930818SM 30GB
37 specifications	A Fujitsu 300GB, 3.5", 15K View product	B Seagate ST930818SM 30GB View product
Features8 differ
HDD capacityDiffers	300 GB	30 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SCSI	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer size	8 MB	8 MB
HDD number of cylindersDiffers	4	16383
HDD number of headsDiffers	8	1
Average latencyDiffers	2 ms	5.6 ms
Mean time between failures (MTBF)Differs	1400000 h	1000000 h
Read seek timeKnown for one	Unknown — not stated by the source	13 ms
Write seek timeKnown for one	Unknown — not stated by the source	14 ms
Full stroke seek timeKnown for one	Unknown — not stated by the source	23 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	1 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Power consumption (typical)Known for one	12.4 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 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 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	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 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	65 G	Unknown — not stated by the source
Non-operating shockKnown for one	250 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	146 mm	100.5 mm
HeightDiffers	25.4 mm	9.5 mm
WeightDiffers	800 g	102 g
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	5V ± 5%
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes
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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