Product comparison · 2 internal hard drives

Samsung 250GB Serial ATA II HDD, 20-pk vs Samsung Spinpoint T HD251KJ internal hard drive

16specifications compared
4differ
12identical
12known for one product only

Key differences

The Samsung 250GB Serial ATA II HDD, 20-pk has 44 mm more width than the Samsung Spinpoint T HD251KJ internal hard drive (146 mm vs 102 mm). The Samsung Spinpoint T HD251KJ internal hard drive has 44.4 mm more depth than the Samsung 250GB Serial ATA II HDD, 20-pk (146 mm vs 101.6 mm). The Samsung 250GB Serial ATA II HDD, 20-pk has 0.4 mm more height than the Samsung Spinpoint T HD251KJ internal hard drive (25.4 mm vs 25 mm).

Width
- 250GB Serial ATA II HDD, 20-pk:146 mm
- Spinpoint T HD251KJ internal hard drive:102 mm
Depth
- 250GB Serial ATA II HDD, 20-pk:101.6 mm
- Spinpoint T HD251KJ internal hard drive:146 mm
Height
- 250GB Serial ATA II HDD, 20-pk:25.4 mm
- Spinpoint T HD251KJ internal hard drive:25 mm
Weight
- 250GB Serial ATA II HDD, 20-pk:463 g
- Spinpoint T HD251KJ internal hard drive:610 g

Side by side

Differences highlightedShow differences only

Comparison of 250GB Serial ATA II HDD, 20-pk, HD251KJ
28 specifications	A Samsung 250GB Serial ATA II HDD, 20-pk View product	B Samsung Spinpoint T HD251KJ internal hard drive Model HD251KJ View product
Featuresidentical
HDD capacity	250 GB	250 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer size	8 MB	8 MB
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek time	0.8 ms	0.8 ms
Average latencyKnown for one	4.17 ms	Unknown — not stated by the source
Start/stop cycles	50000	50000
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	8.9 ms
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	146 mm	102 mm
DepthDiffers	101.6 mm	146 mm
HeightDiffers	25.4 mm	25 mm
WeightDiffers	463 g	610 g
Other featuresidentical
Power requirementsKnown for one	+5V±5%, +12V±10%	Unknown — not stated by the source
Product colour	Black	Black
Drive ready timeKnown for one	8 s	Unknown — not stated by the source
Internal	Yes	Yes
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	102 x 146 x 25 mm
Maximum data transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/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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