Product comparison · 2 internal hard drives

Seagate 80GB 2.5" SATA II vs Seagate EE25 Series 40GB SATA

17specifications compared
13differ
4identical
18known for one product only

Key differences

The Seagate 80GB 2.5" SATA II has 40 GB more HDD capacity than the Seagate EE25 Series 40GB SATA (80 GB vs 40 GB). The Seagate 80GB 2.5" SATA II has 1,800 RPM more HDD speed than the Seagate EE25 Series 40GB SATA (7200 RPM vs 5400 RPM). The Seagate EE25 Series 40GB SATA has 1.43 ms more average latency than the Seagate 80GB 2.5" SATA II (5.6 ms vs 4.17 ms). Interface: Serial ATA II on the Seagate 80GB 2.5" SATA II, Serial ATA on the Seagate EE25 Series 40GB SATA. Operating temperature (T-T): 0 - 60 °C on the Seagate 80GB 2.5" SATA II, -30 - 85 °C on the Seagate EE25 Series 40GB SATA.

HDD capacity
- 80GB 2.5" SATA II:80 GB
- EE25 Series 40GB SATA:40 GB
HDD speed
- 80GB 2.5" SATA II:7200 RPM
- EE25 Series 40GB SATA:5400 RPM
Interface
- 80GB 2.5" SATA II:Serial ATA II
- EE25 Series 40GB SATA:Serial ATA
Average latency
- 80GB 2.5" SATA II:4.17 ms
- EE25 Series 40GB SATA:5.6 ms
Power consumption (standby)
- 80GB 2.5" SATA II:0.8 W
- EE25 Series 40GB SATA:0.26 W
Operating temperature (T-T)
- 80GB 2.5" SATA II:0 - 60 °C
- EE25 Series 40GB SATA:-30 - 85 °C
Storage temperature (T-T)
- 80GB 2.5" SATA II:-40 - 70 °C
- EE25 Series 40GB SATA:-40 - 95 °C
Operating relative humidity (H-H)
- 80GB 2.5" SATA II:5 - 90%
- EE25 Series 40GB SATA:5 - 95%

Side by side

Differences highlightedShow differences only

Comparison of 80GB 2.5" SATA II, EE25 Series 40GB SATA
35 specifications	A Seagate 80GB 2.5" SATA II View product	B Seagate EE25 Series 40GB SATA View product
Features4 differ
HDD capacityDiffers	80 GB	40 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Laptop	Unknown — not stated by the source
Storage drive buffer size	8 MB	8 MB
Average latencyDiffers	4.17 ms	5.6 ms
Read seek timeKnown for one	Unknown — not stated by the source	12.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	14.5 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	550000 h
Power1 differ
Power consumption (standby)Differs	0.8 W	0.26 W
Power consumption (idle)Known for one	0.25 W	Unknown — not stated by the source
Power consumption (read)Known for one	2.1 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.1 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
Start-up currentKnown for one	1.1 A	Unknown — not stated by the source
Operational conditions7 differ
Operating temperature (T-T)Differs	0 - 60 °C	-30 - 85 °C
Storage temperature (T-T)Differs	-40 - 70 °C	-40 - 95 °C
Operating relative humidity (H-H)Differs	5 - 90%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitudeDiffers	-60.96 - 3048 m	-304.8 - 4419 m
Non-operating altitudeDiffers	-60.96 - 12192 m	-304.8 - 12192 m
Operating shockDiffers	300 G	200 G
Non-operating shockDiffers	900 G	800 G
Weight & dimensions1 differ
WidthKnown for one	69.8 mm	Unknown — not stated by the source
DepthKnown for one	100.5 mm	Unknown — not stated by the source
HeightKnown for one	9.5 mm	Unknown — not stated by the source
WeightDiffers	115 g	100 g
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Sustained data rateKnown for one	59 MB/s	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 100.2 x 9.5 mm
InternalKnown for one	Unknown — not stated by the source	Yes
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.3 dB

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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