Product comparison · 2 internal hard drives

Samsung ML-HDK425 internal hard drive vs Seagate Constellation ST91000642SS internal hard drive

6specifications compared
3differ
3identical
29known for one product only

Key differences

HDD capacity
- ML-HDK425 internal hard drive:250 GB
- Constellation ST91000642SS internal hard drive:1 TB
Interface
- ML-HDK425 internal hard drive:Serial ATA
- Constellation ST91000642SS internal hard drive:SAS
Component for
- ML-HDK425 internal hard drive:Printer/MFU
- Constellation ST91000642SS internal hard drive:Server/workstation

Side by side

Differences highlightedShow differences only

Comparison of ML-HDK425, ST91000642SS
35 specifications	A Samsung ML-HDK425 internal hard drive Model ML-HDK425 View product	B Seagate Constellation ST91000642SS internal hard drive Model ST91000642SS View product
Features3 differ
HDD capacityDiffers	250 GB	1 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	SAS
Component forDiffers	Printer/MFU	Server/workstation
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeKnown for one	Unknown — not stated by the source	7.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
TypeKnown for one	HDD	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	6.35 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	15 mm
WeightKnown for one	Unknown — not stated by the source	200 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	4.69 Gbit/s
Internal	Yes	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
Compatible productsKnown for one	Samsung CLP-775ND	Unknown — not stated by the source

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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