Seagate Ironwolf Pro ST20000NE000 20TB HDD 3.5 Inch 3.5" SATA NAS 6Gb/s 7200RPM

Feature

Specification

Manufacturer

Seagate Technology

Part Number / Model

ST20000NE000 (IronWolf Pro)

Capacity

20 TB

Form Factor

3.5 inch internal HDD

Interface

SATA III (6 Gb/s) / SATA‑600

Spindle Speed

7,200 RPM

Cache / Buffer

256 MB DRAM

Recording Technology

Conventional Magnetic Recording (CMR), 512e format

Sustained Transfer Rate

Up to ~285 MB/s

Workload Rating

~300 TB/year; suitable for 1–24‑bay NAS systems

Feature Set

AgileArray, RV sensors, TLER, IronWolf Health Management, Rescue recovery

MTBF

1.2 million hours

Supported Systems

Server, Workstation, NAS storage systems

Warranty

5‑year limited manufacturer warranty

Physical Dimensions

146.99 × 101.85 × 26.11 mm; weight ~670 g