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Seagate Exos X20 18TB Enterprise HDD SATA ST18000NM003D

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The Seagate Exos X20 18TB Enterprise HDD (ST18000NM003D) delivers high-density storage for data centers, servers, surveillance systems, and enterprise storage platforms. Featuring CMR technology, 7200RPM performance, SATA 6Gb/s connectivity, and hot-plug capability for scalable infrastructure.

OVERVIEW

  • The Seagate Exos X20 ST18000NM003D is an enterprise-class 18TB 3.5-inch hard drive designed for high-density data storage environments. Built for continuous operation, it combines CMR technology, SATA 6Gb/s connectivity, and hot-pluggable deployment flexibility to support data centers, enterprise servers, storage systems, and surveillance applications. Compared with lower-capacity enterprise HDDs, the Exos X20 provides greater storage efficiency, reducing rack space requirements and improving infrastructure scalability.

USE CASES

  • Enterprise data center storage expansion deployments
  • Server storage capacity upgrades and replacements
  • Large-scale surveillance video recording systems
  • RAID storage array capacity enhancement projects
  • Backup and archive infrastructure environments
  • Cloud storage infrastructure capacity building
  • Enterprise file and object storage platforms
  • Data-intensive business application environments
  • Media and content repository storage solutions
  • High-volume database storage environments
  • Research and analytics data storage systems
  • Virtualization storage capacity expansion
  • Disaster recovery storage infrastructure
  • Managed service provider storage platforms
  • Long-term enterprise data retention solutions

KEY FEATURES

  • 18TB capacity maximizes enterprise storage efficiency
  • CMR technology ensures consistent data performance
  • 7200RPM speed delivers reliable workload handling
  • SATA 6Gb/s interface enables fast data transfers
  • Hot-plug design simplifies maintenance operations
  • Supports both 512e and 4Kn sector formats
  • Built for continuous 24×7 enterprise workloads
  • Optimized for large-scale storage environments
  • High-density design reduces physical storage footprint
  • Ideal for surveillance recording infrastructure
  • Enterprise reliability supports mission-critical data
  • Compatible with storage arrays and server platforms
  • Predictable performance for demanding applications
  • Efficient expansion for growing data requirements
  • Seagate Exos platform improves storage confidence

TECHNICAL SPECIFICATIONS

  • Brand: Seagate
  • Series: Exos X20
  • Model Number: ST18000NM003D
  • Product Type: Enterprise Internal Hard Disk Drive
  • Drive Capacity: 18TB
  • Form Factor: 3.5-inch
  • Interface: SATA 6Gb/s (SATA/600)
  • Drive Interface Speed: 6Gb/s
  • Recording Technology: CMR (Conventional Magnetic Recording)
  • Spindle Speed: 7200 RPM
  • Maximum Read Transfer Rate: Up to 285 MB/s
  • Sector Format: 512e / 4Kn
  • Hot-Pluggable: Yes
  • Drive Type: Internal Enterprise HDD
  • Workload Type: Enterprise 24×7 Operation
  • Supported Applications: Enterprise Servers, Storage Systems, Surveillance Systems
  • Storage Environment: Data Center, Server Room, Enterprise Infrastructure
  • Performance Class: Enterprise Capacity HDD
  • Reliability Design: Continuous Operation Optimized

WHY CHOOSE THIS PRODUCT?

  • Provides massive 18TB capacity for enterprise data growth.
  • CMR technology delivers predictable storage performance.
  • Designed for continuous 24×7 enterprise workloads.
  • Hot-plug capability reduces maintenance downtime.
  • Supports modern 512e and 4Kn storage environments.
  • Helps organizations reduce storage footprint and complexity.
  • Suitable for scalable server and surveillance deployments.
  • Delivers strong long-term storage value and TCO benefits. 

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