Product comparison · 2 internal hard drives

Fujitsu HDD 30 GB AT 2,5" (FUJITSU M vs Seagate MOMENTUS 20GB ATA100

10specifications compared
5differ
5identical
7known for one product only

Key differences

The Fujitsu HDD 30 GB AT 2,5" (FUJITSU M has 10 GB more HDD capacity than the Seagate MOMENTUS 20GB ATA100 (30 GB vs 20 GB). The Seagate MOMENTUS 20GB ATA100 has 1,200 RPM more HDD speed than the Fujitsu HDD 30 GB AT 2,5" (FUJITSU M (5400 RPM vs 4200 RPM). The Seagate MOMENTUS 20GB ATA100 has 6 MB more storage drive buffer size than the Fujitsu HDD 30 GB AT 2,5" (FUJITSU M (8 MB vs 2 MB). Dimensions (WxDxH): 70 x 100 x 9.5 mm on the Fujitsu HDD 30 GB AT 2,5" (FUJITSU M, 698.5 x 1002 x 95 mm on the Seagate MOMENTUS 20GB ATA100.

HDD capacity
- HDD 30 GB AT 2,5" (FUJITSU M:30 GB
- MOMENTUS 20GB ATA100:20 GB
HDD speed
- HDD 30 GB AT 2,5" (FUJITSU M:4200 RPM
- MOMENTUS 20GB ATA100:5400 RPM
Storage drive buffer size
- HDD 30 GB AT 2,5" (FUJITSU M:2 MB
- MOMENTUS 20GB ATA100:8 MB
Average latency
- HDD 30 GB AT 2,5" (FUJITSU M:7.14 ms
- MOMENTUS 20GB ATA100:5.6 ms
Dimensions (WxDxH)
- HDD 30 GB AT 2,5" (FUJITSU M:70 x 100 x 9.5 mm
- MOMENTUS 20GB ATA100:698.5 x 1002 x 95 mm

Side by side

Differences highlightedShow differences only

Comparison of HDD 30 GB AT 2,5" (FUJITSU M, MOMENTUS 20GB ATA100
17 specifications	A Fujitsu HDD 30 GB AT 2,5" (FUJITSU M View product	B Seagate MOMENTUS 20GB ATA100 View product
Features4 differ
HDD capacityDiffers	30 GB	20 GB
HDD speedDiffers	4200 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Storage drive buffer sizeDiffers	2 MB	8 MB
Track to track seek timeKnown for one	1.5 ms	Unknown — not stated by the source
Average latencyDiffers	7.14 ms	5.6 ms
Component forKnown for one	Unknown — not stated by the source	Laptop
HDD number of headsKnown for one	Unknown — not stated by the source	1
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Other features1 differ
Power requirementsKnown for one	5V ± 0.5%	Unknown — not stated by the source
Dimensions (WxDxH)Differs	70 x 100 x 9.5 mm	698.5 x 1002 x 95 mm
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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