Product comparison · 2 internal hard drives

Samsung 40GB Serial ATA II HDD, 20-PK vs Samsung HD080HJ 80Gb SATA II 8Mb 20pk

17specifications compared
4differ
13identical
16known for one product only

Key differences

The Samsung HD080HJ 80Gb SATA II 8Mb 20pk has 40 GB more HDD capacity than the Samsung 40GB Serial ATA II HDD, 20-PK (80 GB vs 40 GB). The Samsung 40GB Serial ATA II HDD, 20-PK has 499,500 h more mean time between failures (MTBF) than the Samsung HD080HJ 80Gb SATA II 8Mb 20pk (500000 h vs 500.000 h). The Samsung HD080HJ 80Gb SATA II 8Mb 20pk has 0.2 W more power consumption (standby) than the Samsung 40GB Serial ATA II HDD, 20-PK (0.9 W vs 0.7 W). Operating temperature (T-T): 0 - 60 °C on the Samsung 40GB Serial ATA II HDD, 20-PK, 5 - 55 °C on the Samsung HD080HJ 80Gb SATA II 8Mb 20pk.

HDD capacity
- 40GB Serial ATA II HDD, 20-PK:40 GB
- HD080HJ 80Gb SATA II 8Mb 20pk:80 GB
Mean time between failures (MTBF)
- 40GB Serial ATA II HDD, 20-PK:500000 h
- HD080HJ 80Gb SATA II 8Mb 20pk:500.000 h
Power consumption (standby)
- 40GB Serial ATA II HDD, 20-PK:0.7 W
- HD080HJ 80Gb SATA II 8Mb 20pk:0.9 W
Operating temperature (T-T)
- 40GB Serial ATA II HDD, 20-PK:0 - 60 °C
- HD080HJ 80Gb SATA II 8Mb 20pk:5 - 55 °C

Side by side

Differences highlightedShow differences only

Comparison of 40GB Serial ATA II HDD, 20-PK, HD080HJ 80Gb SATA II 8Mb 20pk
33 specifications	A Samsung 40GB Serial ATA II HDD, 20-PK View product	B Samsung HD080HJ 80Gb SATA II 8Mb 20pk View product
Features2 differ
HDD capacityDiffers	40 GB	80 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	8 MB	8 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)Differs	500000 h	500.000 h
Power1 differ
Power consumption (typical)Known for one	8 W	Unknown — not stated by the source
Power consumption (standby)Differs	0.7 W	0.9 W
Power consumption (PowerSave)Known for one	0.7 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °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%
Non-operating altitudeKnown for one	12000	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shock	350 G	350 G
Other featuresidentical
Special featuresKnown for one	RoHS NoiseGuard SilentSeek	Unknown — not stated by the source
Drive device, transfer rateKnown for one	300 MB/s	Unknown — not stated by the source
Internal	Yes	Yes
Power requirementsKnown for one	Unknown — not stated by the source	5V±5% / 12V±10%
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.1 x 25.4 mm
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	Unknown — not stated by the source	PCs
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	146.1 mm
HeightKnown for one	Unknown — not stated by the source	25.4 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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