Seagate IronWolf Pro ST20000NT001 HDD 20TB 7200rpm 256mb 3.5"

The Seagate IronWolf Pro ST20000NT001 is a 20 TB internal HDD designed for NAS systems and other demanding storage setups. It combines a 7200 RPM speed, 256 MB cache, and a 3.5" form factor for dependable high-capacity storage.

Technical Specifications

Type: HDD

Component for: NAS

HDD capacity: 20 TB

HDD speed: 7200 RPM

HDD size: 3.5"

Storage drive buffer size: 256 MB

HDD interface transfer rate: 6 Gbit/s

HDD sustained transfer rate: 285 MiB/s

Rotational Vibration (RV) sensors: Yes

Workload rate limit: 550 TB/year

Mean time to failure (MTTF): 2500000 h

Mean time between failures (MTBF): 2500000 h

Noise level (idle): 20 dB

Operating temperature (T-T): 0 - 65 °C

Storage temperature (T-T): -40 - 70 °C

Operating shock: 40 G

Non-operating shock: 200 G

Non-operating vibration: 2.27 G


Features

20 TB capacity for large file collections, backups, and shared storage

7200 RPM performance for responsive access to stored data

256 MB cache to help support smooth drive operation

3.5" internal hard drive design for compatible desktop and NAS systems

Suitable for NAS-oriented storage setups


Power

Power consumption (typical): 7.7 W

Power consumption (idle): 5.5 W

Power consumption (standby): 1 W

Power consumption (off): 1 W

Start-up current: 2 A

Operating voltage: 5 / 12 V


Dimensions and Weight

Weight: 670 g

Depth: 147 mm

Width: 101.8 mm

Height: 26.1 mm


Note
Do not open or disassemble. Do not drop and avoid strong impacts. Do not expose to high temperatures or moisture.