Seagate Exos X24 20TB 3.5" 7200RPM SATA III 6 Gb/s Internal HDD

The Seagate ST20000NM002H is a hard drive that offers 20 TB of capacity and fits a standard 3.5 inch bay. It attaches through a SATA III 6 Gb/s interface, spins at 7200 rpm, and delivers sustained transfers up to 285 MB/s with help from a 512 MB cache. If you need to replace smaller drives or expand a storage pool, it slides into existing trays without forcing changes to your infrastructure.

This model sits comfortably in hyperscale or scale-out data centers, cloud storage clusters, and enterprise RAID arrays that run around the clock. A helium-sealed enclosure cuts internal air resistance, which in turn lowers power draw and helps the drive stay cool in dense racks where airflow can be limited.

Reliability is a core focus. The drive carries a mean time between failures of 2.5 million hours and is built for continuous 24/7 workloads. PowerBalance technology further trims energy use per terabyte without sacrificing throughput, an advantage for operators who track every watt in large installations.

From object storage and backup repositories to video archiving and big-data analytics, the Exos X24 family provides consistent access to massive datasets while keeping operating costs predictable.

• 20 TB of storage with up to 285 MB/s sustained transfer rate
• 7200 rpm spindle speed supported by 512 MB cache for quick access to large data sets
• Helium-sealed interior lowers power draw and operating temperature
• Designed for continuous use with 2.5 million hour MTBF rating
• PowerBalance technology improves energy efficiency per terabyte
• SATA III 6 Gb/s interface integrates smoothly with existing enterprise backplanes and servers