Seagate ST12000DM003 · BarraCuda 12TB

Model code

ST12000DM003

Identifier scope

Official model designation, not a verified ordering part number. Region, revision and bundle require separate confirmation.

Manufacturer model

BarraCuda 12TB

Capacity

12TB

Interface

SATA 6Gb/s

Form factor

3.5-inch; 26.1mm maximum height

Rotation speed

7200 rpm

Buffer

512 MB

Recording technology

CMR

Sector format

512e

Max sustained transfer rate OD read

190 MB/s

Workload rating

120 TB/year

Power-on rating

2400 hours/year

Load/unload cycles

600,000

Average idle power

6.7 W

Operating temperature (drive reported)

10–60°C

Nonoperating temperature

−40–70°C

Documented selection limits

Check exact SATA/SAS host and backplane, drive dimensions, sector format, firmware and security requirements. SED/FIPS variants can require a TCG-compatible controller and vary by region. No stock, lifecycle or universal compatibility promise; MTBF is a population statistic, not the lifespan of a particular drive. Desktop workload rating applies; do not substitute for enterprise/NAS ratings.

Specification source: Seagate ↗
Checked against documentation: 17.10.2026

“Up to” figures follow manufacturer test conditions; real throughput depends on workload and host system.