Product comparison · 2 internal hard drives

Iomega REV 35GB ATAPI internal vs Seagate EE25 Series 20GB SATA

17specifications compared
15differ
2identical
18known for one product only

Key differences

HDD capacity
- REV 35GB ATAPI internal:35 GB
- EE25 Series 20GB SATA:20 GB
HDD speed
- REV 35GB ATAPI internal:4200 RPM
- EE25 Series 20GB SATA:5400 RPM
Read seek time
- REV 35GB ATAPI internal:2.5 ms
- EE25 Series 20GB SATA:12.5 ms
Write seek time
- REV 35GB ATAPI internal:3 ms
- EE25 Series 20GB SATA:14.5 ms
Average latency
- REV 35GB ATAPI internal:7.1 ms
- EE25 Series 20GB SATA:5.6 ms
Mean time between failures (MTBF)
- REV 35GB ATAPI internal:400000 h
- EE25 Series 20GB SATA:550000 h
Operating temperature (T-T)
- REV 35GB ATAPI internal:0 - 60 °C
- EE25 Series 20GB SATA:-20 - 75 °C
Storage temperature (T-T)
- REV 35GB ATAPI internal:-40 - 65 °C
- EE25 Series 20GB SATA:-40 - 95 °C

Side by side

Differences highlightedShow differences only

Comparison of REV 35GB ATAPI internal, EE25 Series 20GB SATA
35 specifications	A Iomega REV 35GB ATAPI internal View product	B Seagate EE25 Series 20GB SATA View product
Features6 differ
HDD capacityDiffers	35 GB	20 GB
HDD speedDiffers	4200 RPM	5400 RPM
HDD number of headsKnown for one	2	Unknown — not stated by the source
Read seek timeDiffers	2.5 ms	12.5 ms
Write seek timeDiffers	3 ms	14.5 ms
Average latencyDiffers	7.1 ms	5.6 ms
Bytes per sectorKnown for one	2048	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	400000 h	550000 h
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Operational conditions7 differ
Operating temperature (T-T)Differs	0 - 60 °C	-20 - 75 °C
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 95 °C
Operating relative humidity (H-H)Differs	8 - 90%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibrationKnown for one	0.4 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2.5 G	Unknown — not stated by the source
Operating altitudeDiffers	-300 - 3048 m	-304.8 - 4419 m
Non-operating altitudeDiffers	-300 - 12192 m	-304.8 - 12192 m
Operating shockDiffers	60 G	200 G
Non-operating shockDiffers	400 G	800 G
Weight & dimensions1 differ
WeightDiffers	424 g	100 g
Other features1 differ
HDD transfer rateKnown for one	100 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	5.0 +/- .25 V D.C., 1.2A	Unknown — not stated by the source
Dimensions (WxDxH)Differs	146 x 101.4 x 25.4 mm	69.85 x 100.2 x 9.5 mm
Compatible operating systemsKnown for one	Microsoft Windows XP Home/Professional, Server 2003 (Standard Edition), Small Business Server 2003 (Standard and Premium Editions), 2000 Professional/Server/Advanced Server (SP4)	Unknown — not stated by the source
Internal	Yes	Yes
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Minimum RAMKnown for one	128 MB	Unknown — not stated by the source
Minimum processorKnown for one	333 MHz Pentium II	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	100 MB	Unknown — not stated by the source
Compressed capacityKnown for one	90 GB	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.3 dB
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.26 W
Operating voltageKnown for one	Unknown — not stated by the source	5 V

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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