Product comparison · 2 internal hard drives

Samsung 750GB HDD vs Samsung 750GB Serial ATA II HDD, 20-pk

26specifications compared
3differ
23identical
2known for one product only

Key differences

The Samsung 750GB HDD has 16 MB more storage drive buffer size than the Samsung 750GB Serial ATA II HDD, 20-pk (32 MB vs 16 MB). The Samsung 750GB Serial ATA II HDD, 20-pk has 0.2 W more power consumption (typical) than the Samsung 750GB HDD (7.9 W vs 7.7 W). The Samsung 750GB HDD has 0.4 W more power consumption (standby) than the Samsung 750GB Serial ATA II HDD, 20-pk (1.2 W vs 0.8 W).

Storage drive buffer size
- 750GB HDD:32 MB
- 750GB Serial ATA II HDD, 20-pk:16 MB
Power consumption (typical)
- 750GB HDD:7.7 W
- 750GB Serial ATA II HDD, 20-pk:7.9 W
Power consumption (standby)
- 750GB HDD:1.2 W
- 750GB Serial ATA II HDD, 20-pk:0.8 W

Side by side

Differences highlightedShow differences only

Comparison of 750GB HDD, 750GB Serial ATA II HDD, 20-pk
28 specifications	A Samsung 750GB HDD View product	B Samsung 750GB Serial ATA II HDD, 20-pk View product
Features1 differ
HDD capacity	750 GB	750 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	32 MB	16 MB
Average seek time	8.9 ms	8.9 ms
Average latencyKnown for one	4.17 ms	Unknown — not stated by the source
Bytes per sector	512	512
Start/stop cycles	50000	50000
Power2 differ
Power consumption (typical)Differs	7.7 W	7.9 W
Power consumption (standby)Differs	1.2 W	0.8 W
Power consumption (PowerSave)Known for one	1.2 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
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 altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-300 - 12000 m	-300 - 12000 m
Operating shock	70 G	70 G
Non-operating shock	350 G	350 G
Weight & dimensionsidentical
Width	101.5 mm	101.5 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
Weight	640 g	640 g
Other featuresidentical
Power requirements	+5V±5%, +12V±10%	+5V±5%, +12V±10%
Drive ready time	12 s	12 s
Internal	Yes	Yes

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.

More internal hard drive comparisons

All internal hard drive comparisons