Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive

Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - Image 2

Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - Image 3

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Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5″ Internal Hard Drive

**Seagate Exos X20 ST18000NM003D 18TB HDD**
A high-capacity enterprise-grade hard drive designed for demanding data environments, featuring 18TB storage, 7200 RPM speed, and a 256MB cache for rapid data access. Optimized for hyperscale and cloud storage, it leverages SATA 6.0Gb/s interface for broad compatibility and reliable performance. Built with helium-sealed technology, it ensures reduced power consumption, cooler operation, and enhanced durability, supporting 24/7 workloads with a 2.5M-hour MTBF rating. Ideal for data centers, AI/ML applications, and large-scale analytics, it offers advanced data integrity (T10 DIF) and RAID optimization for secure, uninterrupted operations. Combines massive storage density with enterprise reliability, reducing TCO through energy efficiency and scalability.

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Brand	Seagate
Products Status	New
Application	Server
Interface	SATA 6Gb/s
Capacity	18TB

Description
Additional information

Market-leading 20TB 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 18TB competitive product.

Brand	Seagate
Products Status	New
Application	Server
Interface	SATA 6Gb/s
Capacity	18TB
Form Factor	3.5"
Cache	256MB
RPM	7200 RPM
Model	ST18000NM003D
Series	Exos X20
Height (maximum)	26.10mm
Length (maximum)	147.00mm
Width (maximum)	101.85mm
Average Latency	4.16ms
Recording Technology	CMR

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