Product comparison · 2 internal hard drives

Seagate Barracuda 7200.7 160GB SATA NCQ 20pk vs Seagate Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk)

9specifications compared
4differ
5identical
8known for one product only

Key differences

The Seagate Barracuda 7200.7 160GB SATA NCQ 20pk has 55 g more weight than the Seagate Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk) (635 g vs 580 g). The Seagate Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk) has 150 MB/s more drive device, transfer rate than the Seagate Barracuda 7200.7 160GB SATA NCQ 20pk (300 MB/s vs 150 MB/s). Interface: Serial ATA on the Seagate Barracuda 7200.7 160GB SATA NCQ 20pk, Serial ATA II on the Seagate Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk). Dimensions (WxDxH): 101.6 x 146.99 x 26.035 mm on the Seagate Barracuda 7200.7 160GB SATA NCQ 20pk, 101.6 x 146.9 x 26.04 mm on the Seagate Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk).

Interface
- Barracuda 7200.7 160GB SATA NCQ 20pk:Serial ATA
- Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk):Serial ATA II
Weight
- Barracuda 7200.7 160GB SATA NCQ 20pk:635 g
- Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk):580 g
Dimensions (WxDxH)
- Barracuda 7200.7 160GB SATA NCQ 20pk:101.6 x 146.99 x 26.035 mm
- Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk):101.6 x 146.9 x 26.04 mm
Drive device, transfer rate
- Barracuda 7200.7 160GB SATA NCQ 20pk:150 MB/s
- Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk):300 MB/s

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.7 160GB SATA NCQ 20pk, Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk)
17 specifications	A Seagate Barracuda 7200.7 160GB SATA NCQ 20pk View product	B Seagate Barracuda 7200.9 160 GB Serial ATA NCQ (20 pk)View product
Features1 differ
HDD capacity	160 GB	160 GB
HDD speed	7200 RPM	7200 RPM
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer size	8 MB	8 MB
Average seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	12 ms
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	635 g	580 g
Other features2 differ
Dimensions (WxDxH)Differs	101.6 x 146.99 x 26.035 mm	101.6 x 146.9 x 26.04 mm
Drive device, transfer rateDiffers	150 MB/s	300 MB/s
Internal	Yes	Yes
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.329 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	6.946 W

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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