Seagate IronWolf Pro ST20000NT001 20TB Internal NAS Hard Drive

Seagate IronWolf Pro ST20000NT001 20 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method

The Seagate IronWolf Pro ST20000NT001 is a 20TB internal hard drive engineered for commercial and enterprise NAS environments. Designed for 24/7 operation in multi-bay, multiuser, and multi-application storage systems, this 3.5-inch drive provides dependable capacity for workstations, network storage, backups, media libraries, surveillance data, and collaborative business files. Its conventional magnetic recording (CMR) technology supports consistent performance and predictable RAID behavior across demanding workloads.
AgileArray technology combines dual-plane balance and time-limited error recovery (TLER) to help optimize RAID performance in multi-drive NAS systems. Integrated rotational vibration sensors and dynamic fly-height technology help compensate for vibration in multi-bay enclosures, supporting reliable operation and sustained access to stored data. The SATA 6Gb/s interface is designed for efficient data transfers, while the 256MB cache helps improve responsiveness during frequently accessed workloads.
Built for intensive storage applications, the IronWolf Pro ST20000NT001 supports workloads of up to 550TB per year and is rated for up to 2.5 million hours mean time between failures. IronWolf Health Management provides prevention, intervention, and recovery recommendations through compatible NAS platforms, helping administrators monitor drive and system health. The drive includes a five-year limited warranty and three years of complimentary Seagate Rescue Data Recovery Services, offering additional support in the event of accidental data corruption or drive damage. With its high capacity, NAS-focused features, and 24/7 design, Seagate IronWolf Pro is a practical choice for scalable business and enterprise storage.

Features:

• 20TB capacity for extensive photo, video, music, backup, and business file storage

• Designed for 24/7 operation in commercial and enterprise multi-bay NAS environments

• CMR recording technology for consistent NAS and RAID performance

• AgileArray technology with dual-plane balancing and TLER for optimized RAID operation

• 256MB cache buffer for responsive data access and workload performance

• SATA 6Gb/s interface for efficient data transfer and burst performance

• Rotational vibration sensors and dynamic fly-height technology for dependable multi-bay operation

• Up to 550TB per year workload rating for demanding storage applications

• Up to 2.5 million hours MTBF for enterprise-class reliability

• IronWolf Health Management support for drive monitoring and recovery recommendations

• Five-year limited warranty and three years of complimentary Rescue Data Recovery Services