The Seagate Barracuda 20TB is Seagate flagship consumer-class hard drive, purpose-built for the rigours of large storage environments.
Rated for continuous read-write workloads of up to 120 TB per year, the Seagate Barracuda is engineered for systems that demand large storage — from RAID arrays and JBOD configurations to hybrid cloud storage and AI-driven data workloads. With vibration compensation electronics that correct linear and rotational interference in real time, performance remains stable even in densely populated multi-drive enclosures.
Backed by a 2-year limited warranty and a projected MTBF of 1 million hours, this drive is a dependable, high-capacity cornerstone for businesses that cannot afford data loss or unplanned downtime.
Technical specifications
| Model number | ST20000DM001 |
| Formatted capacity | 20 TB |
| Interface | SATA 6 Gb/s (SATA III) |
| Spindle speed | 7,200 RPM |
| Cache buffer | 512 MB |
| Max sustained transfer rate | 190 MB/s |
| Form factor | 3.5″ |
| Workload rating | 120TB/year |
| MTBF | 1,000,000 hours |
| Load/unload cycles | 600,000 |
| Non-recoverable error rate | <1 in 10¹&sup5; bits |
| Operating temperature | 5°C – 60°C |
| Warranty | 1-year limited |
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