Product comparison · 2 internal hard drives

Seagate 80GB HDD vs Seagate Barracuda 7200.7 120GB 8MB (ST3120026A)

8specifications compared
2differ
6identical
35known for one product only

Key differences

The Seagate Barracuda 7200.7 120GB 8MB (ST3120026A) has 40 GB more HDD capacity than the Seagate 80GB HDD (120 GB vs 80 GB). The Seagate Barracuda 7200.7 120GB 8MB (ST3120026A) has 6 MB more storage drive buffer size than the Seagate 80GB HDD (8 MB vs 2 MB).

HDD capacity
- 80GB HDD:80 GB
- Barracuda 7200.7 120GB 8MB (ST3120026A):120 GB
Storage drive buffer size
- 80GB HDD:2 MB
- Barracuda 7200.7 120GB 8MB (ST3120026A):8 MB

Side by side

Differences highlightedShow differences only

Comparison of 80GB HDD, Barracuda 7200.7 120GB 8MB (ST3120026A)
43 specifications	A Seagate 80GB HDD View product	B Seagate Barracuda 7200.7 120GB 8MB (ST3120026A)View product
Features2 differ
HDD capacityDiffers	80 GB	120 GB
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	2 MB	8 MB
HDD number of headsKnown for one	3	Unknown — not stated by the source
Read seek timeKnown for one	9.4 ms	Unknown — not stated by the source
Write seek timeKnown for one	10.5 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	1.2 ms	Unknown — not stated by the source
Average seek timeKnown for one	9.4 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	13 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.75 W	Unknown — not stated by the source
Power consumption (idle)Known for one	9.5 W	Unknown — not stated by the source
Power consumption (read)Known for one	12 W	Unknown — not stated by the source
Power consumption (write)Known for one	12 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Start-up currentKnown for one	2.8 A	Unknown — not stated by the source
Operational conditionsidentical
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 vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-198.12 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-198.12 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	101.8 mm	Unknown — not stated by the source
DepthKnown for one	147 mm	Unknown — not stated by the source
HeightKnown for one	26.1 mm	Unknown — not stated by the source
Other featuresidentical
Drive ready timeKnown for one	10 s	Unknown — not stated by the source
Special featuresKnown for one	Unknown — not stated by the source	350 Gs non-op shock 3D Defense System - Protection against handling damage and data loss
Power requirementsKnown for one	Unknown — not stated by the source	12 W
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.99 x 26.035 mm
InternalKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	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.

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