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Seagate Exos X18 18TB 3.5″ 261MB ST18000NM001J HDD Hard Disk Drive

The Seagate Exos X18 18TB is an enterprise-grade hard drive engineered for maximum capacity and reliability in demanding data center environments. This 3.5-inch drive delivers industry-leading 18TB storage capacity with 261MB cache, making it ideal for hyperscale applications, cloud storage, and massive data repositories. Key features include helium-sealed technology for improved efficiency and durability, 7200 RPM performance, SATA 6Gb/s interface, and PowerBalance technology for optimized power consumption. Built for 24/7 operation with a 2.5 million-hour MTBF rating and 550TB annual workload capacity, the Exos X18 offers exceptional cost-per-terabyte value while maintaining enterprise-class reliability. Its advanced error recovery controls and robust design make it perfect for organizations requiring high-capacity storage solutions that can handle intensive workloads without compromising performance or data integrity.

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Interface	SATA 6.0Gb/s
Seagate	Exos X18
P/N	ST18000NM001J
Capacity	18TB
Form Factor	3.5"

Description
Additional information

Market-leading 18TB 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 center and massive scale-out data center applications

Hyperscale SATA model tuned for large data transfers and low latency

PowerBalance feature optimizes Watts/TB

Maximize 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 Secure features for safe, affordable, fast, and easy drive retirement

* Compared to 14TB competitive product.

Interface	SATA 6.0Gb/s
Seagate	Exos X18
Capacity	18TB
Form Factor	3.5"
Application	Server
Brand	Seagate
Cache	256MB
Packaging Details	BOX
Products Status	New
RPM	7200 RPM
Product Model	Exos X18

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