Seagate 2TB HDD vs Seagate 4TB HDD

Comparison of 2TB HDD, 4TB HDD

9 specifications	A Seagate 2TB HDDView product	B Seagate 4TB HDDView product
Features1 differ
HDD capacityDiffers	2 TB	4 TB
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Component for	NAS	NAS
Hot-swap	Yes	Yes
HDD interface transfer rate	6 Gbit/s	6 Gbit/s
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(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.