Product comparison · 2 internal hard drives

Samsung 40GB Ultra-ATA/133 HDD, 20-PK vs Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk

17specifications compared
4differ
13identical
18known for one product only

Key differences

The Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk has 40 GB more HDD capacity than the Samsung 40GB Ultra-ATA/133 HDD, 20-PK (80 GB vs 40 GB). The Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk has 6 MB more storage drive buffer size than the Samsung 40GB Ultra-ATA/133 HDD, 20-PK (8 MB vs 2 MB). The Samsung 40GB Ultra-ATA/133 HDD, 20-PK has 499,500 h more mean time between failures (MTBF) than the Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk (500000 h vs 500.000 h). Power requirements: +5V / +12V on the Samsung 40GB Ultra-ATA/133 HDD, 20-PK, 5V±5% / 12V±10% on the Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk.

HDD capacity
- 40GB Ultra-ATA/133 HDD, 20-PK:40 GB
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:80 GB
Storage drive buffer size
- 40GB Ultra-ATA/133 HDD, 20-PK:2 MB
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:8 MB
Mean time between failures (MTBF)
- 40GB Ultra-ATA/133 HDD, 20-PK:500000 h
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:500.000 h
Power requirements
- 40GB Ultra-ATA/133 HDD, 20-PK:+5V / +12V
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:5V±5% / 12V±10%

Side by side

Differences highlightedShow differences only

Comparison of 40GB Ultra-ATA/133 HDD, 20-PK, 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk
35 specifications	A Samsung 40GB Ultra-ATA/133 HDD, 20-PK View product	B Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk View product
Features3 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	Ultra-ATA/133	Ultra-ATA/133
Storage drive buffer sizeDiffers	2 MB	8 MB
Full stroke seek time	18 ms	18 ms
Track to track seek time	0.8 ms	0.8 ms
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latency	4.17 ms	4.17 ms
Bytes per sector	512	512
Mean time between failures (MTBF)Differs	500000 h	500.000 h
Read speedKnown for one	Unknown — not stated by the source	741 MB/s
Access timeKnown for one	Unknown — not stated by the source	8.9 ms
Poweridentical
Power consumption (typical)Known for one	7.1 W	Unknown — not stated by the source
Power consumption (standby)	0.5 W	0.5 W
Power consumption (PowerSave)Known for one	0.5 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °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 features1 differ
Power requirementsDiffers	+5V / +12V	5V±5% / 12V±10%
Drive device, transfer rateKnown for one	133 MB/s	Unknown — not stated by the source
Drive ready timeKnown for one	7 s	Unknown — not stated by the source
Internal	Yes	Yes
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
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
Logistics dataidentical
Products per palletKnown for one	Unknown — not stated by the source	20 pc(s)

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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