Seagate Exos X18 18TB Enterprise HDD With 550TB/Yr Workload

Expert Features Massive 18TB Enterprise-Grade Capacity : Built for hyperscale and data-intensive infrastructures, the Exos X18 packs 18TB of high-density storage into a 3.5-inch form factor—delivering top-tier rack space efficiency for analytics, cold storage, and large-scale deployments. Engineered for Hyperscale Scalability : Designed for big data environments and cloud architectures, it meets hyperscale demands with predictable performance, support for dense storage arrays, and architecture-optimized throughput. Advanced Caching for Low-Latency Response : Enhanced caching technology ensures consistent, repeatable read/write behavior with stable latency—crucial for enterprise workloads that require dependable performance at scale. 24×7 Operation with High Workload Rating : Supports workloads up to 550TB per year , delivering continuous operation for mission-critical applications, databases, and high-availability deployments. Helium-Sealed Power Efficiency : Built with helium-filled technology to reduce turbulence, power draw, and heat output. The result: cooler operation, higher reliability, and lower total cost of ownership (TCO). PowerChoice & PowerBalance Optimization : Fine-tune performance and energy consumption with customizable power profiles. These technologies intelligently adjust active and idle power states without sacrificing stability. Enterprise-Class Reliability : Achieves a 2.5 million-hour MTBF rating with robust error recovery and vibration resistance—ideal for multi-drive servers, enterprise racks, and concurrent workloads. Fast Sustained Data Throughput : Up to 270MB/s sustained transfer rate ensures smooth data ingestion and retrieval, optimized for heavy workloads, batch processing, and high-speed backup tasks. Seagate Secure Hardware Encryption : AES-256 hardware-based encryption, password protection, and secure erase features safeguard sensitive data and ensure compliance with regulatory requirements. Built for Mission-Critical Environments : Ideal for enterprise storage servers, RAID arrays, SAN/NAS systems, cloud data centers, high-capacity backup vaults, and analytics-driven infrastructures. Expert Specs Category Specification Product Name Seagate Exos X18 Enterprise HDD Model Number ST18000NM000J Capacity 18TB Form Factor 3.5-inch Workload Rating Up To 550TB Per Year MTBF 2.5 Million Hours Sustained Transfer Rate Up To 270MB/s Caching Technology Enhanced Write Caching Drive Technology Helium-Sealed Power Technologies PowerChoice, PowerBalance Security Features AES-256 Hardware Encryption, Seagate Secure, Secure Erase Dimensions (H × W × D) 26.1 mm × 101.85 mm × 147.0 mm Dimensions (H × W × D, Inches) 1.028 in × 4.010 in × 5.787 in Weight 670 g (1.477 lb) Reliability Features Advanced Error Recovery, Vibration Resistance Operation 24×7 Enterprise Continuous Duty Use Case Hyperscale Data Centers, Enterprise Servers, High-Capacity Storage, Analytics, Backup, Archival