Product comparison · 2 internal hard drives

Seagate Barracuda 16TB vs Seagate Barracuda 20TB

Key differences

The Seagate Barracuda 20TB has 4 TB more HDD capacity than the Seagate Barracuda 16TB (20 TB vs 16 TB).

Differences highlightedShow differences only

Comparison of Barracuda 16TB, Barracuda 20TB
22 specifications	A Seagate Barracuda 16TB View product	B Seagate Barracuda 20TB View product
Features1 differ
HDD capacityDiffers	16 TB	20 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Component for	PC	PC
Storage drive buffer size	512 MB	512 MB
HDD interface transfer rate	6 Gbit/s	6 Gbit/s
HDD sustained transfer rate	190 MiB/s	190 MiB/s
Poweridentical
Power consumption (typical)	8.9 W	8.9 W
Power consumption (idle)	6.7 W	6.7 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2 A	2 A
Operational conditionsidentical
Operating temperature (T-T)	10 - 60 °C	10 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Packaging contentidentical
Storage drive adapter included	No	No
Weight & dimensionsidentical
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
Weight	695 g	695 g
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
Compliance certificates	RoHS	RoHS

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.