Product comparison · 2 internal hard drives

Seagate ST4000NM0135 internal hard drive vs Seagate Enterprise ST4000NM0255 internal hard drive

20specifications compared
3differ
17identical
13known for one product only

Key differences

Power consumption (typical)
- ST4000NM0135 internal hard drive:7.74 W
- Enterprise ST4000NM0255 internal hard drive:9 W
Power consumption (idle)
- ST4000NM0135 internal hard drive:6.52 W
- Enterprise ST4000NM0255 internal hard drive:6 W
Weight
- ST4000NM0135 internal hard drive:680 g
- Enterprise ST4000NM0255 internal hard drive:655 g

Side by side

Differences highlightedShow differences only

Comparison of ST4000NM0135, ST4000NM0255
33 specifications	A Seagate ST4000NM0135 internal hard drive Model ST4000NM0135 View product	B Seagate Enterprise ST4000NM0255 internal hard drive Model ST4000NM0255 View product
Featuresidentical
HDD capacity	4 TB	4 TB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD size	3.5"	3.5"
Interface	SAS	SAS
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Storage drive buffer size	128 MB	128 MB
HDD interface transfer rate	12 Gbit/s	12 Gbit/s
Average latency	4.16 ms	4.16 ms
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Bytes per sector	512	512
Mean time between failures (MTBF)	2000000 h	2000000 h
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	226 MiB/s
Power2 differ
Power consumption (typical)Differs	7.74 W	9 W
Power consumption (idle)Differs	6.52 W	6 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	250 G
Packaging contentidentical
Storage drive adapter included	No	No
Technical detailsidentical
Doesn't containKnown for one	Halogen	Unknown — not stated by the source
Weight & dimensions1 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	680 g	655 g
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
Compliance certificatesKnown for one	RoHS	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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