The Seagate IronWolf Pro 20TB is an internal 3.5-inch hard drive for NAS storage and other systems that need substantial always-on storage. It suits home or small business NAS owners expanding a storage pool, as well as professionals keeping large collections of files close at hand.

Its 20TB capacity gives you room for sizeable media libraries, backups and shared project files on a single drive. The SATA 6Gb/s interface, 7200RPM spindle speed and 256MB cache support responsive access to stored data. CMR recording and helium drive design are paired with rotational vibration sensors, while the drive is rated for unlimited drive bays in Seagate’s specification. The listed sustained transfer rate is up to 285MB/s.

Key features

• 20TB capacity for large NAS storage pools and file libraries.
• CMR recording technology for NAS workloads.
• Rotational vibration sensors help the drive operate in multi-drive environments.
• Specified for unlimited drive bays, making it suitable for systems beyond a 24-bay limit.
• 7,200RPM spindle speed and 256MB cache.
• Seagate includes three years of Rescue Data Recovery Services, subject to country availability.
• Five-year limited warranty.

Compatibility

This is an internal 3.5-inch SATA drive. Check that your NAS or computer has a compatible bay and SATA connection, and confirm that your NAS, HBA or RAID controller supports the full capacity. Good to know: Seagate recommends checking the selected HBA or RAID controller configuration to ensure it supports the drive’s full capacity.

In the box

• Seagate IronWolf Pro 20TB

Specifications

For a NAS build or an upgrade to a high-capacity storage pool, the IronWolf Pro combines 20TB of space with NAS-focused recording and vibration features. Check your system’s capacity support before adding it to your setup.