Product comparison · 2 internal hard drives

Seagate Barracuda 7200.7 160GB SATA NCQ 20pk vs Seagate Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk)

11specifications compared
4differ
7identical
7known for one product only

Key differences

The Seagate Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk) has 90 GB more HDD capacity than the Seagate Barracuda 7200.7 160GB SATA NCQ 20pk (250 GB vs 160 GB). The Seagate Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk) 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 250GB SATA NCQ 3Gb/s (20pk). Dimensions (WxDxH): 101.6 x 146.99 x 26.035 mm on the Seagate Barracuda 7200.7 160GB SATA NCQ 20pk, 101.6 x 146.99 x 26.1 mm on the Seagate Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk).

HDD capacity
- Barracuda 7200.7 160GB SATA NCQ 20pk:160 GB
- Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk):250 GB
Interface
- Barracuda 7200.7 160GB SATA NCQ 20pk:Serial ATA
- Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk):Serial ATA II
Dimensions (WxDxH)
- Barracuda 7200.7 160GB SATA NCQ 20pk:101.6 x 146.99 x 26.035 mm
- Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk):101.6 x 146.99 x 26.1 mm
Drive device, transfer rate
- Barracuda 7200.7 160GB SATA NCQ 20pk:150 MB/s
- Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk):300 MB/s

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.7 160GB SATA NCQ 20pk, Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk)
18 specifications	A Seagate Barracuda 7200.7 160GB SATA NCQ 20pk View product	B Seagate Barracuda 7200.9 250GB SATA NCQ 3Gb/s (20pk)View product
Features2 differ
HDD capacityDiffers	160 GB	250 GB
HDD speed	7200 RPM	7200 RPM
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer size	8 MB	8 MB
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
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Average latency	4.16 ms	4.16 ms
Bytes per sector	512	512
Average seek timeKnown for one	8.5 ms	Unknown — not stated by the source
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
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensionsidentical
Weight	635 g	635 g
Other features2 differ
Dimensions (WxDxH)Differs	101.6 x 146.99 x 26.035 mm	101.6 x 146.99 x 26.1 mm
Drive device, transfer rateDiffers	150 MB/s	300 MB/s
Internal	Yes	Yes

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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