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Seagate EXOS X18 Enterprise Hard Drive

Exos X18. Scalable. Responsive. Innovative.



Seagate manufactures hard drives that specifically address the demand for hyperscale cloud scalability. As the flagship of theSeagate® X class, the Exos® X18 enterprise hard drives are the highest-capacity hard drives in the fleet.

Key Features

Maximum Storage Capacity for Highest Rack Space Efficiency

  • Market-leading 18 TB HDD offering the highest capacity available for more petabytes per rack
  • Highly reliable performance with enhanced caching, making it the logical choice for cloud data centre and massive scale-out data centre applications
  • Hyperscale SATA model tuned for large data transfers and low latency
  • PowerBalanceTM feature optimises Watts/TB
  • Maximise total cost of ownership savings through lower power and weight with helium sealed-drive design
  • Proven helium side-sealing weld technology for added handling robustness and leak protection
  • Digital environmental sensors to monitor internal drive conditions for optimal operation and performance
  • Data protection and security — Seagate SecureTM features for safe, affordable, fast and easy drive retirement
  • Proven enterprise-class reliability backed by 5-year limited warranty and 2.5M-hr MTBF rating



Exos Hard Drives High-reliability solutions for servers, storage systems, and business-centric NAS systems.