Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD, 20-pack vs Seagate Barracuda 7200.9, 250GB

12specifications compared
4differ
8identical
21known for one product only

Key differences

HDD capacity
- 400GB Serial ATA II HDD, 20-pack:400 GB
- Barracuda 7200.9, 250GB:250 GB
Average latency
- 400GB Serial ATA II HDD, 20-pack:4.17 ms
- Barracuda 7200.9, 250GB:4.16 ms
Power consumption (standby)
- 400GB Serial ATA II HDD, 20-pack:1.3 W
- Barracuda 7200.9, 250GB:0.8 W
Non-operating shock
- 400GB Serial ATA II HDD, 20-pack:300 G
- Barracuda 7200.9, 250GB:350 G

Side by side

Differences highlightedShow differences only

Comparison of 400GB Serial ATA II HDD, 20-pack, Barracuda 7200.9, 250GB
33 specifications	A Samsung 400GB Serial ATA II HDD, 20-pack View product	B Seagate Barracuda 7200.9, 250GB View product
Features2 differ
HDD capacityDiffers	400 GB	250 GB
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
Average latencyDiffers	4.17 ms	4.16 ms
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Power1 differ
Power consumption (typical)Known for one	10 W	Unknown — not stated by the source
Power consumption (standby)Differs	1.3 W	0.8 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	7.2 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Operational conditions1 differ
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
Non-operating shockDiffers	300 G	350 G
Other featuresidentical
HDD transfer rateKnown for one	1000 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	+5V±5%;+12V±10%	Unknown — not stated by the source
Drive ready timeKnown for one	10 s	Unknown — not stated by the source
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	3.4 dB
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101 mm
DepthKnown for one	Unknown — not stated by the source	146 mm
HeightKnown for one	Unknown — not stated by the source	26 mm
WeightKnown for one	Unknown — not stated by the source	635 g

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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