Product comparison · 2 internal hard drives

Seagate 120GB 3.5" SATA II vs Seagate Barracuda 7200.9 160 GB 7200 rpm Serial ATA NCQ

14specifications compared
2differ
12identical
21known for one product only

Key differences

The Seagate Barracuda 7200.9 160 GB 7200 rpm Serial ATA NCQ has 40 GB more HDD capacity than the Seagate 120GB 3.5" SATA II (160 GB vs 120 GB). The Seagate Barracuda 7200.9 160 GB 7200 rpm Serial ATA NCQ has 0.2 A more start-up current than the Seagate 120GB 3.5" SATA II (2.8 A vs 2.6 A).

HDD capacity
- 120GB 3.5" SATA II:120 GB
- Barracuda 7200.9 160 GB 7200 rpm Serial ATA NCQ:160 GB
Start-up current
- 120GB 3.5" SATA II:2.6 A
- Barracuda 7200.9 160 GB 7200 rpm Serial ATA NCQ:2.8 A

Side by side

Differences highlightedShow differences only

Comparison of 120GB 3.5" SATA II, Barracuda 7200.9 160 GB 7200 rpm Serial ATA NCQ
35 specifications	A Seagate 120GB 3.5" SATA II View product	B Seagate Barracuda 7200.9 160 GB 7200 rpm Serial ATA NCQ View product
Features1 differ
HDD capacityDiffers	120 GB	160 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Interface	Serial ATA II	Serial ATA II
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer size	2 MB	2 MB
HDD number of cylinders	16383	16383
HDD number of heads	16	16
Read seek timeKnown for one	8 ms	Unknown — not stated by the source
Write seek timeKnown for one	9 ms	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power1 differ
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Start-up currentDiffers	2.6 A	2.8 A
Power consumption (standby)Known for one	Unknown — not stated by the source	1.30 W
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
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-60.96 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-60.96 - 12192 m	Unknown — not stated by the source
Operating shock	63 G	63 G
Non-operating shock	350 G	350 G
Weight & dimensionsidentical
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
Weight	580 g	580 g
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	867.2 Mbit/s
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.99 x 26.1 mm
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
External power adapterKnown for one	Unknown — not stated by the source	No
InternalKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No

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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