Product comparison · 2 internal hard drives

Seagate IronWolf Pro ST16000NT001 internal hard drive vs Seagate IronWolf Pro ST20000NT001 internal hard drive

Key differences

HDD capacity
- IronWolf Pro ST16000NT001 internal hard drive:16 TB
- IronWolf Pro ST20000NT001 internal hard drive:20 TB
HDD sustained transfer rate
- IronWolf Pro ST16000NT001 internal hard drive:270 MiB/s
- IronWolf Pro ST20000NT001 internal hard drive:285 MiB/s
Power consumption (typical)
- IronWolf Pro ST16000NT001 internal hard drive:7.6 W
- IronWolf Pro ST20000NT001 internal hard drive:7.7 W
Power consumption (idle)
- IronWolf Pro ST16000NT001 internal hard drive:5 W
- IronWolf Pro ST20000NT001 internal hard drive:5.5 W
Operating shock
- IronWolf Pro ST16000NT001 internal hard drive:50 G
- IronWolf Pro ST20000NT001 internal hard drive:40 G

Differences highlightedShow differences only

Comparison of ST16000NT001, ST20000NT001
30 specifications	A Seagate IronWolf Pro ST16000NT001 internal hard drive Model ST16000NT001 View product	B Seagate IronWolf Pro ST20000NT001 internal hard drive Model ST20000NT001 View product
Features2 differ
HDD capacityDiffers	16 TB	20 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceKnown for one	Serial ATA III	Unknown — not stated by the source
Type	HDD	HDD
Component for	NAS	NAS
Storage drive buffer size	256 MB	256 MB
HDD interface transfer rate	6 Gbit/s	6 Gbit/s
HDD sustained transfer rateDiffers	270 MiB/s	285 MiB/s
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^15 bits read	< 1 per 10^15 bits read
Rotational Vibration (RV) sensors	Yes	Yes
Workload rate limit	550 TB/year	550 TB/year
Noise level (idle)	20 dB	20 dB
Mean time between failures (MTBF)	2500000 h	2500000 h
Mean time to failure (MTTF)Known for one	Unknown — not stated by the source	2500000 h
Power2 differ
Power consumption (typical)Differs	7.6 W	7.7 W
Power consumption (standby)	1 W	1 W
Power consumption (off)	1 W	1 W
Power consumption (idle)Differs	5 W	5.5 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2 A	2 A
Operational conditions1 differ
Operating temperature (T-T)	0 - 65 °C	0 - 65 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Non-operating vibration	2.27 G	2.27 G
Operating shockDiffers	50 G	40 G
Non-operating shock	200 G	200 G
Weight & dimensionsidentical
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
Weight	670 g	670 g

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.