Product comparison · 2 internal hard drives

Seagate Barracuda 7200.9, 40GB, 20 pack vs Seagate Barracuda 7200.9, 80GB, 20 pack

20specifications compared
2differ
18identical
2known for one product only

Key differences

The Seagate Barracuda 7200.9, 80GB, 20 pack has 40 GB more HDD capacity than the Seagate Barracuda 7200.9, 40GB, 20 pack (80 GB vs 40 GB). The Seagate Barracuda 7200.9, 80GB, 20 pack has 0.1 dB more acoustic pressure emissions than the Seagate Barracuda 7200.9, 40GB, 20 pack (3.4 dB vs 3.3 dB).

HDD capacity
- Barracuda 7200.9, 40GB, 20 pack:40 GB
- Barracuda 7200.9, 80GB, 20 pack:80 GB
Acoustic pressure emissions
- Barracuda 7200.9, 40GB, 20 pack:3.3 dB
- Barracuda 7200.9, 80GB, 20 pack:3.4 dB

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.9, 40GB, 20 pack, Barracuda 7200.9, 80GB, 20 pack
22 specifications	A Seagate Barracuda 7200.9, 40GB, 20 pack View product	B Seagate Barracuda 7200.9, 80GB, 20 pack View product
Features1 differ
HDD capacityDiffers	40 GB	80 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Ultra-ATA/100	Ultra-ATA/100
Storage drive buffer size	2 MB	2 MB
Track to track seek timeKnown for one	4.16 ms	Unknown — not stated by the source
Bytes per sector	512	512
Start/stop cycles	50000	50000
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Poweridentical
Power consumption (PowerSave)	7.2 W	7.2 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shock	63 G	63 G
Non-operating shock	350 G	350 G
Weight & dimensionsidentical
Width	101 mm	101 mm
Depth	146 mm	146 mm
Height	26 mm	26 mm
Weight	580 g	580 g
Other features1 differ
Drive device, transfer rate	100 MB/s	100 MB/s
Internal	Yes	Yes
Acoustic pressure emissionsDiffers	3.3 dB	3.4 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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