Product comparison · 2 internal hard drives

Samsung 300GB Serial ATA II HDD, 20-Pk vs Samsung 400GB Serial ATA II HDD, Retail

21specifications compared
4differ
17identical
10known for one product only

Key differences

HDD capacity
- 300GB Serial ATA II HDD, 20-Pk:300 GB
- 400GB Serial ATA II HDD, Retail:400 GB
Storage drive buffer size
- 300GB Serial ATA II HDD, 20-Pk:8 MB
- 400GB Serial ATA II HDD, Retail:16 MB
Non-operating altitude
- 300GB Serial ATA II HDD, 20-Pk:12000
- 400GB Serial ATA II HDD, Retail:0 - 12000 m
Power requirements
- 300GB Serial ATA II HDD, 20-Pk:+5V±5%; +12V±10%
- 400GB Serial ATA II HDD, Retail:+5V±5%;+12V±10%

Side by side

Differences highlightedShow differences only

Comparison of 300GB Serial ATA II HDD, 20-Pk, 400GB Serial ATA II HDD, Retail
31 specifications	A Samsung 300GB Serial ATA II HDD, 20-Pk View product	B Samsung 400GB Serial ATA II HDD, Retail View product
Features2 differ
HDD capacityDiffers	300 GB	400 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	8 MB	16 MB
Full stroke seek time	18 ms	18 ms
Track to track seek time	0.8 ms	0.8 ms
Average seek time	8.9 ms	8.9 ms
Average latency	4.17 ms	4.17 ms
Bytes per sector	512	512
Mean time between failures (MTBF)	600000 h	600000 h
Poweridentical
Power consumption (typical)	10 W	10 W
Power consumption (standby)	1.3 W	1.3 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Power consumption (PowerSave)Known for one	8.4 W	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3000 m
Non-operating altitudeDiffers	12000	0 - 12000 m
Operating shock	63 G	63 G
Non-operating shock	300 G	300 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	147 mm
DepthKnown for one	Unknown — not stated by the source	101.6 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
Other features1 differ
HDD transfer rateKnown for one	Unknown — not stated by the source	1000 Mbit/s
Power requirementsDiffers	+5V±5%; +12V±10%	+5V±5%;+12V±10%
Drive ready timeKnown for one	Unknown — not stated by the source	10 s
Internal	Yes	Yes
Maximum data transfer rateKnown for one	1000 Mbit/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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