Product comparison · 2 internal hard drives

Seagate Barracuda 7200.7 80GB 20pk vs Seagate Barracuda 7200.9 SATA, 250GB 20pk

12specifications compared
3differ
9identical
4known for one product only

Key differences

The Seagate Barracuda 7200.9 SATA, 250GB 20pk has 170 GB more HDD capacity than the Seagate Barracuda 7200.7 80GB 20pk (250 GB vs 80 GB). The Seagate Barracuda 7200.9 SATA, 250GB 20pk has 14 MB more storage drive buffer size than the Seagate Barracuda 7200.7 80GB 20pk (16 MB vs 2 MB). Interface: Serial ATA on the Seagate Barracuda 7200.7 80GB 20pk, Serial ATA II on the Seagate Barracuda 7200.9 SATA, 250GB 20pk.

HDD capacity
- Barracuda 7200.7 80GB 20pk:80 GB
- Barracuda 7200.9 SATA, 250GB 20pk:250 GB
Interface
- Barracuda 7200.7 80GB 20pk:Serial ATA
- Barracuda 7200.9 SATA, 250GB 20pk:Serial ATA II
Storage drive buffer size
- Barracuda 7200.7 80GB 20pk:2 MB
- Barracuda 7200.9 SATA, 250GB 20pk:16 MB

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.7 80GB 20pk, Barracuda 7200.9 SATA, 250GB 20pk
16 specifications	A Seagate Barracuda 7200.7 80GB 20pk View product	B Seagate Barracuda 7200.9 SATA, 250GB 20pk View product
Features3 differ
HDD capacityDiffers	80 GB	250 GB
HDD speed	7200 RPM	7200 RPM
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer sizeDiffers	2 MB	16 MB
HDD number of cylinders	16383	16383
HDD number of heads	16	16
Average seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
Poweridentical
Power consumption (off)Known for one	2 W	Unknown — not stated by the source
Power consumption (standby)Known for one	Unknown — not stated by the source	0.329 W
Weight & dimensionsidentical
Width	101.6 mm	101.6 mm
Depth	146.9 mm	146.9 mm
Height	26 mm	26 mm
Weight	635 g	635 g
Other featuresidentical
Internal	Yes	Yes
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s

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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