The Seagate Exos X18 18 TB 3.5″ SATA (7200 RPM) is an enterprise-grade hard drive built for data centers, hyperscale operations, and mission-critical storage arrays. Offering high-density storage, this drive is engineered to reduce rack space requirements while maintaining strong performance and reliability. With a 7200 RPM spindle and a massive 18 terabyte capacity, it provides a cost-effective foundation for large-scale data deployment.
This drive utilizes Seagate’s helium-sealed design, which lowers power consumption, reduces thermal load, and enables a lightweight but rugged build. To optimize energy efficiency for different workloads, it supports PowerChoice™ and PowerBalance™ power management features. Built for intense enterprise usage, the Exos X18 has a workload rating of 550 TB/year and a proven MTBF of 2.5 million hours.
To further enhance performance and stability, the drive includes digital environmental sensors that monitor internal conditions, combined with a large 256 MB cache. Data security isn’t compromised: the X18 offers Seagate Secure options for hardware encryption to protect sensitive data at-rest.
As a high-capacity, reliable drive with enterprise-focused features, the Exos X18 18TB is ideal for cloud storage, big-data applications, high-capacity RAID arrays, backup systems, and large-scale NAS or distributed file systems.
18 TB Capacity: Maximizes storage density for scalable deployments.
7200 RPM Performance: Fast spindle speed for strong throughput.
SATA III Interface (6 Gb/s): Broad compatibility with modern enterprise servers.
256 MB Cache: Enhances sequential and random access performance.
Helium-Sealed Design: Improves power efficiency and thermal management.
High Workload Rating: Supports demanding enterprise workloads.
2.5M-Hour MTBF: Long-term reliability for 24/7 use.
PowerChoice & PowerBalance: Adjustable power/performance modes.
Seagate Secure Support: Optional encryption for data protection.
Environmental Sensors: Monitors internal conditions for stability.
High-Capacity Efficiency: Enables fewer drives for the same total capacity, lowering cost per TB.
Enterprise Reliability: Extremely high MTBF and robust design make it ideal for data centers.
Energy-Aware: Power management features help reduce power draw in large deployments.
Data Security: Encryption options help secure sensitive data in enterprise environments.
Scalable Use: Well-suited for RAID arrays, big-data storage, cloud infrastructure, and archival systems.
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