Product comparison · 2 internal hard drives

Seagate Constellation ST32000645SS-20PK internal hard drive vs Seagate Constellation ST6000NM0034-20PK internal hard drive

Key differences

HDD capacity
- Constellation ST32000645SS-20PK internal hard drive:2 TB
- Constellation ST6000NM0034-20PK internal hard drive:6 TB
Storage drive buffer size
- Constellation ST32000645SS-20PK internal hard drive:64 MB
- Constellation ST6000NM0034-20PK internal hard drive:128 MB
Mean time between failures (MTBF)
- Constellation ST32000645SS-20PK internal hard drive:1200000 h
- Constellation ST6000NM0034-20PK internal hard drive:1400000 h
Power consumption (idle)
- Constellation ST32000645SS-20PK internal hard drive:7.4 W
- Constellation ST6000NM0034-20PK internal hard drive:7.97 W
Non-operating shock
- Constellation ST32000645SS-20PK internal hard drive:300 G
- Constellation ST6000NM0034-20PK internal hard drive:250 G
Weight
- Constellation ST32000645SS-20PK internal hard drive:700 g
- Constellation ST6000NM0034-20PK internal hard drive:780 g

Differences highlightedShow differences only

Comparison of ST32000645SS-20PK, ST6000NM0034-20PK
26 specifications	A Seagate Constellation ST32000645SS-20PK internal hard drive Model ST32000645SS-20PK View product	B Seagate Constellation ST6000NM0034-20PK internal hard drive Model ST6000NM0034-20PK View product
Features3 differ
HDD capacityDiffers	2 TB	6 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	SAS	SAS
Type	HDD	HDD
Storage drive buffer sizeDiffers	64 MB	128 MB
Read seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	9.5 ms	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
Bytes per sector	512	512
Mean time between failures (MTBF)Differs	1200000 h	1400000 h
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Power1 differ
Power consumption (idle)Differs	7.4 W	7.97 W
Power consumption (read)Known for one	11.3 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Power consumption (typical)Known for one	Unknown — not stated by the source	11.86 W
Operational conditions1 differ
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Non-operating vibration	4.9 G	4.9 G
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockDiffers	300 G	250 G
Weight & dimensions1 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	700 g	780 g
Packaging dataidentical
Quantity per pack	20 pc(s)	20 pc(s)
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	12 Gbit/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.