Description
Seagate Exos X20 ST20000NM002D 20TB 3.5-Inch SAS 12Gb/s 7200RPM Enterprise Hard Drive
20TB 7.2K RPM Enterprise HDD – Exos X20 Series (512e/4Kn Advanced Format)
The Seagate Exos X20 ST20000NM002D is a high-capacity 20TB 3.5-inch enterprise hard drive engineered for hyperscale data centers, cloud infrastructure, and mission-critical storage systems. Featuring a 12Gb/s SAS interface, 7200 RPM spindle speed, and advanced 512e/4Kn sector format support, this drive delivers superior performance, reliability, and scalability for demanding enterprise workloads.
Built for Hyperscale & Enterprise Infrastructure
Optimized for enterprise servers, cloud platforms, high-density RAID arrays, big data analytics, backup systems, and large-scale storage environments. This model is designed specifically for systems that support 3.5-inch SAS 12Gb/s drives and is not compatible with SATA-only desktop motherboards.
Key Features
20TB Storage Capacity
3.5-Inch Form Factor
SAS 12Gb/s Interface
7200 RPM Spindle Speed
256MB Cache
512e / 4Kn Advanced Format Support
2.5 Million Hour MTBF
0.35% Annualized Failure Rate (AFR)
24×7 Operation (8760 Power-On Hours per Year)
1 Nonrecoverable Read Error per 10^15 Bits Read
Maximum Storage Efficiency
With 20TB per drive, the Exos X20 enables higher rack-level storage density, allowing more petabytes per rack while optimizing space utilization and reducing overall infrastructure costs. The advanced format technology enhances data integrity and storage efficiency for enterprise-scale deployments.
Enterprise-Grade Reliability & Performance
Engineered for continuous 24×7 operation, the Exos X20 offers consistent throughput and dependable performance in high-demand environments. The 256MB cache buffer enhances rapid data access and processing efficiency, while the SAS 12Gb/s interface ensures fast, reliable data transfer with enterprise-grade command queuing and redundancy features.
With a 2.5 million hour MTBF rating and low AFR of 0.35%, this drive is built for long-term stability in mission-critical applications.
Ideal Applications
Hyperscale cloud data centers
Enterprise RAID storage systems
High-density server environments
Virtualization platforms
Big data and analytics workloads
Enterprise backup and archival solutions
Technical Specifications
Brand: Seagate
Series: Exos X20
Model: ST20000NM002D
Capacity: 20TB
Form Factor: 3.5-Inch
Interface: Serial Attached SCSI (SAS) 12Gb/s
Rotational Speed: 7200 RPM
Cache: 256MB
Sector Format: 512e / 4Kn
MTBF: 2.5 Million Hours
AFR: 0.35%
Drive Type: Mechanical Hard Disk Drive (HDD)
Installation Type: Internal
Color: Silver
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