Seagate CS 2TB SATA 6Gb/s vs Seagate CS 3TB SATA 6Gb/s

Comparison of CS 2TB SATA 6Gb/s, CS 3TB SATA 6Gb/s

32 specifications	A Seagate CS 2TB SATA 6Gb/sView product	B Seagate CS 3TB SATA 6Gb/sView product
Features1 differ
HDD capacityDiffers	2 TB	3 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Component for	NAS	NAS
Storage drive buffer size	64 MB	64 MB
HDD number of heads	6	6
Read seek time	9.5 ms	9.5 ms
Write seek time	10.5 ms	10.5 ms
SMART technology	Yes	Yes
Bytes per sector	4096	4096
Start/stop cycles	300000	300000
Mean time between failures (MTBF)	800000 h	800000 h
Poweridentical
Power consumption (idle)	5.53 W	5.53 W
Power consumption (read)	8 W	8 W
Power consumption (write)	8 W	8 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)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Weight & dimensions1 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	535 g	626 g
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
Hot-Plug support	Yes	Yes
Internal	Yes	Yes
Number of products included	1 pc(s)	1 pc(s)
Windows operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Linux operating systems supported	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.