Product comparison · 2 internal hard drives

Samsung 250GB Serial ATA II HDD, 20-pk vs Samsung 80GB Serial ATA I HDD

18specifications compared
13differ
5identical
9known for one product only

Key differences

The Samsung 250GB Serial ATA II HDD, 20-pk has 170 GB more HDD capacity than the Samsung 80GB Serial ATA I HDD (250 GB vs 80 GB). The Samsung 250GB Serial ATA II HDD, 20-pk has 1,800 RPM more HDD speed than the Samsung 80GB Serial ATA I HDD (7200 RPM vs 5400 RPM). The Samsung 250GB Serial ATA II HDD, 20-pk has 1" more HDD size than the Samsung 80GB Serial ATA I HDD (3.5" vs 2.5"). Interface: Serial ATA II on the Samsung 250GB Serial ATA II HDD, 20-pk, Serial ATA on the Samsung 80GB Serial ATA I HDD. Operating voltage: 5 / 12 V on the Samsung 250GB Serial ATA II HDD, 20-pk, 5 V on the Samsung 80GB Serial ATA I HDD.

HDD capacity
- 250GB Serial ATA II HDD, 20-pk:250 GB
- 80GB Serial ATA I HDD:80 GB
HDD speed
- 250GB Serial ATA II HDD, 20-pk:7200 RPM
- 80GB Serial ATA I HDD:5400 RPM
HDD size
- 250GB Serial ATA II HDD, 20-pk:3.5"
- 80GB Serial ATA I HDD:2.5"
Interface
- 250GB Serial ATA II HDD, 20-pk:Serial ATA II
- 80GB Serial ATA I HDD:Serial ATA
Full stroke seek time
- 250GB Serial ATA II HDD, 20-pk:18 ms
- 80GB Serial ATA I HDD:22 ms
Track to track seek time
- 250GB Serial ATA II HDD, 20-pk:0.8 ms
- 80GB Serial ATA I HDD:2 ms
Average latency
- 250GB Serial ATA II HDD, 20-pk:4.17 ms
- 80GB Serial ATA I HDD:5.6 ms
Operating voltage
- 250GB Serial ATA II HDD, 20-pk:5 / 12 V
- 80GB Serial ATA I HDD:5 V

Side by side

Differences highlightedShow differences only

Comparison of 250GB Serial ATA II HDD, 20-pk, 80GB Serial ATA I HDD
27 specifications	A Samsung 250GB Serial ATA II HDD, 20-pk View product	B Samsung 80GB Serial ATA I HDD View product
Features7 differ
HDD capacityDiffers	250 GB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer size	8 MB	8 MB
Full stroke seek timeDiffers	18 ms	22 ms
Track to track seek timeDiffers	0.8 ms	2 ms
Average latencyDiffers	4.17 ms	5.6 ms
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions3 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%
Operating shockDiffers	63 G	325 G
Non-operating shockDiffers	350 G	1000 G
Weight & dimensionsidentical
WidthKnown for one	146 mm	Unknown — not stated by the source
DepthKnown for one	101.6 mm	Unknown — not stated by the source
HeightKnown for one	25.4 mm	Unknown — not stated by the source
WeightKnown for one	463 g	Unknown — not stated by the source
Other features2 differ
Power requirementsDiffers	+5V±5%, +12V±10%	+5V
Product colourKnown for one	Black	Unknown — not stated by the source
Drive ready timeDiffers	8 s	3.5 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.

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