Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD vs Seagate Barracuda 7200.9 SATA, 250GB 20pk

8specifications compared
4differ
4identical
24known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD has 150 GB more HDD capacity than the Seagate Barracuda 7200.9 SATA, 250GB 20pk (400 GB vs 250 GB). The Samsung 400GB Serial ATA II HDD has 0.01 ms more average latency than the Seagate Barracuda 7200.9 SATA, 250GB 20pk (4.17 ms vs 4.16 ms). The Samsung 400GB Serial ATA II HDD has 0.971 W more power consumption (standby) than the Seagate Barracuda 7200.9 SATA, 250GB 20pk (1.3 W vs 0.329 W).

HDD capacity
- 400GB Serial ATA II HDD:400 GB
- Barracuda 7200.9 SATA, 250GB 20pk:250 GB
Average latency
- 400GB Serial ATA II HDD:4.17 ms
- Barracuda 7200.9 SATA, 250GB 20pk:4.16 ms
Power consumption (standby)
- 400GB Serial ATA II HDD:1.3 W
- Barracuda 7200.9 SATA, 250GB 20pk:0.329 W
HDD transfer rate
- 400GB Serial ATA II HDD:1000 Mbit/s
- Barracuda 7200.9 SATA, 250GB 20pk:300 Mbit/s

Side by side

Differences highlightedShow differences only

Comparison of 400GB Serial ATA II HDD, Barracuda 7200.9 SATA, 250GB 20pk
32 specifications	A Samsung 400GB Serial ATA II HDD View product	B Seagate Barracuda 7200.9 SATA, 250GB 20pk View product
Features2 differ
HDD capacityDiffers	400 GB	250 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
Storage drive buffer size	16 MB	16 MB
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
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsKnown for one	Unknown — not stated by the source	16
Power1 differ
Power consumption (typical)Known for one	10 W	Unknown — not stated by the source
Power consumption (standby)Differs	1.3 W	0.329 W
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
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	0 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 12000 m	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Other features1 differ
HDD transfer rateDiffers	1000 Mbit/s	300 Mbit/s
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
Internal	Yes	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	146.9 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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