Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD, 20-Pk vs Seagate Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk

11specifications compared
4differ
7identical
23known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD, 20-Pk has 280 GB more HDD capacity than the Seagate Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk (400 GB vs 120 GB). The Samsung 400GB Serial ATA II HDD, 20-Pk has 6 MB more storage drive buffer size than the Seagate Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk (8 MB vs 2 MB). The Samsung 400GB Serial ATA II HDD, 20-Pk has 0.01 ms more average latency than the Seagate Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk (4.17 ms vs 4.16 ms).

HDD capacity
- 400GB Serial ATA II HDD, 20-Pk:400 GB
- Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk:120 GB
Storage drive buffer size
- 400GB Serial ATA II HDD, 20-Pk:8 MB
- Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk:2 MB
Average latency
- 400GB Serial ATA II HDD, 20-Pk:4.17 ms
- Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk:4.16 ms
Non-operating shock
- 400GB Serial ATA II HDD, 20-Pk:300 G
- Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk:350 G

Side by side

Differences highlightedShow differences only

Comparison of 400GB Serial ATA II HDD, 20-Pk, Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk
34 specifications	A Samsung 400GB Serial ATA II HDD, 20-Pk View product	B Seagate Barracuda 7200.9 120GB Serial ATA II 2MB 20pk bulk View product
Features3 differ
HDD capacityDiffers	400 GB	120 GB
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Storage drive buffer sizeDiffers	8 MB	2 MB
Average latencyDiffers	4.17 ms	4.16 ms
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average seek timeKnown for one	8.9 ms	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 (standby)Known for one	Unknown — not stated by the source	1.5 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Power consumption (typical)Known for one	10 W	Unknown — not stated by the source
Power consumption (off)Known for one	1.3 W	Unknown — not stated by the source
Operational conditions1 differ
Non-operating shockDiffers	300 G	350 G
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
Non-operating altitudeKnown for one	12000	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	20 mm
WeightKnown for one	Unknown — not stated by the source	380 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.99 x 19.99 mm
External power adapterKnown for one	Unknown — not stated by the source	No
Mac compatibilityKnown for one	Unknown — not stated by the source	No
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	Unknown — not stated by the source	PCs
HDD transfer rateKnown for one	1000 Mbit/s	Unknown — not stated by the source
Drive ready timeKnown for one	10 s	Unknown — not stated by the source

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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