Product comparison · 2 internal hard drives

Seagate Barracuda 7200.7 120GB 2Mb (ST3120022A) vs Seagate Barracuda 7200.7 120GB 8MB (ST3120026A)

Key differences

Storage drive buffer size
- Barracuda 7200.7 120GB 2Mb (ST3120022A):2 MB
- Barracuda 7200.7 120GB 8MB (ST3120026A):8 MB
Power requirements
- Barracuda 7200.7 120GB 2Mb (ST3120022A):12.5 W
- Barracuda 7200.7 120GB 8MB (ST3120026A):12 W

Differences highlightedShow differences only

Comparison of Barracuda 7200.7 120GB 2Mb (ST3120022A), Barracuda 7200.7 120GB 8MB (ST3120026A)
16 specifications	A Seagate Barracuda 7200.7 120GB 2Mb (ST3120022A)View product	B Seagate Barracuda 7200.7 120GB 8MB (ST3120026A)View product
Features1 differ
HDD capacity	120 GB	120 GB
HDD speed	7200 RPM	7200 RPM
Interface	Ultra-ATA/100	Ultra-ATA/100
Storage drive buffer sizeDiffers	2 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	Unknown — not stated by the source	512
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Weight & dimensionsidentical
Weight	635 g	635 g
Other features2 differ
Special featuresDiffers	350 Gs non-op shock 3D Defense System S.M.A.R.T.	350 Gs non-op shock 3D Defense System - Protection against handling damage and data loss
Power requirementsDiffers	12.5 W	12 W
Dimensions (WxDxH)	101.6 x 146.99 x 26.035 mm	101.6 x 146.99 x 26.035 mm
Internal	Yes	Yes
USB powered	No	No
Sustained data rateKnown for one	58 MB/s	Unknown — not stated by the source
Acoustic pressure emissions	25 dB	25 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.