Product comparison · 2 internal hard drives

Seagate 750GB 3.5" SATA II vs Seagate 80GB 3.5" SATA II

25specifications compared
9differ
16identical
8known for one product only

Key differences

HDD capacity
- 750GB 3.5" SATA II:750 GB
- 80GB 3.5" SATA II:80 GB
Storage drive buffer size
- 750GB 3.5" SATA II:16 MB
- 80GB 3.5" SATA II:2 MB
HDD number of heads
- 750GB 3.5" SATA II:8
- 80GB 3.5" SATA II:2
Mean time between failures (MTBF)
- 750GB 3.5" SATA II:700000 h
- 80GB 3.5" SATA II:600000 h
Operating shock
- 750GB 3.5" SATA II:68 G
- 80GB 3.5" SATA II:63 G
Non-operating shock
- 750GB 3.5" SATA II:300 G
- 80GB 3.5" SATA II:350 G
Depth
- 750GB 3.5" SATA II:147 mm
- 80GB 3.5" SATA II:146.9 mm
Height
- 750GB 3.5" SATA II:26.1 mm
- 80GB 3.5" SATA II:26 mm

Side by side

Differences highlightedShow differences only

Comparison of 750GB 3.5" SATA II, 80GB 3.5" SATA II
33 specifications	A Seagate 750GB 3.5" SATA II View product	B Seagate 80GB 3.5" SATA II View product
Features4 differ
HDD capacityDiffers	750 GB	80 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Type	HDD	HDD
Storage drive buffer sizeDiffers	16 MB	2 MB
HDD number of headsDiffers	8	2
Average latency	4.16 ms	4.16 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	700000 h	600000 h
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Poweridentical
Power consumption (idle)Known for one	9.3 W	Unknown — not stated by the source
Power consumption (read)Known for one	13 W	Unknown — not stated by the source
Power consumption (write)Known for one	13 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2.8 A	2.8 A
Operational conditions2 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-60.96 - 3048 m	-60.96 - 3048 m
Non-operating altitude	-60.96 - 12192 m	-60.96 - 12192 m
Operating shockDiffers	68 G	63 G
Non-operating shockDiffers	300 G	350 G
Weight & dimensions3 differ
Width	101.6 mm	101.6 mm
DepthDiffers	147 mm	146.9 mm
HeightDiffers	26.1 mm	26 mm
WeightDiffers	720 g	635 g
Other featuresidentical
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Acoustic pressure emissionsKnown for one	2.7 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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