Product comparison · 2 internal hard drives

Seagate IronWolf Pro ST2000NE0035 internal hard drive vs Seagate IronWolf Pro ST8000NE0021 internal hard drive

Key differences

HDD capacity
- IronWolf Pro ST2000NE0035 internal hard drive:2 TB
- IronWolf Pro ST8000NE0021 internal hard drive:8 TB
Storage drive buffer size
- IronWolf Pro ST2000NE0035 internal hard drive:128 MB
- IronWolf Pro ST8000NE0021 internal hard drive:256 MB
Power consumption (typical)
- IronWolf Pro ST2000NE0035 internal hard drive:7.5 W
- IronWolf Pro ST8000NE0021 internal hard drive:9 W
Power consumption (standby)
- IronWolf Pro ST2000NE0035 internal hard drive:0.8 W
- IronWolf Pro ST8000NE0021 internal hard drive:0.6 W
Power consumption (off)
- IronWolf Pro ST2000NE0035 internal hard drive:0.8 W
- IronWolf Pro ST8000NE0021 internal hard drive:0.6 W
Power consumption (idle)
- IronWolf Pro ST2000NE0035 internal hard drive:4.5 W
- IronWolf Pro ST8000NE0021 internal hard drive:7.6 W
Weight
- IronWolf Pro ST2000NE0035 internal hard drive:550 g
- IronWolf Pro ST8000NE0021 internal hard drive:780 g

Differences highlightedShow differences only

Comparison of ST2000NE0035, ST8000NE0021
27 specifications	A Seagate IronWolf Pro ST2000NE0035 internal hard drive Model ST2000NE0035 View product	B Seagate IronWolf Pro ST8000NE0021 internal hard drive Model ST8000NE0021 View product
Features2 differ
HDD capacityDiffers	2 TB	8 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Component forKnown for one	Unknown — not stated by the source	NAS
Storage drive buffer sizeDiffers	128 MB	256 MB
HDD interface transfer rate	6 Gbit/s	6 Gbit/s
Average latency	4.16 ms	4.16 ms
Mean time between failures (MTBF)	1200000 h	1200000 h
Power4 differ
Power consumption (typical)Differs	7.5 W	9 W
Power consumption (standby)Differs	0.8 W	0.6 W
Power consumption (off)Differs	0.8 W	0.6 W
Power consumption (idle)Differs	4.5 W	7.6 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2 A	2 A
Operational conditionsidentical
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Non-operating vibration	5 G	5 G
Operating shock	70 G	70 G
Non-operating shock	250 G	250 G
Packaging contentidentical
Storage drive adapter included	No	No
Weight & dimensions1 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	550 g	780 g
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.