ST20000NM007H SEAGATE Exos X24 20TB 7200RPM SAS-12GBPS Enterprise HDD.

Product Overview Of SEAGATE Exos X24 20TB HDD

The SEAGATE ST20000NM007H Exos X24 is a high-capacity, high-performance enterprise-grade hard drive designed for data-intensive applications. With a massive 20TB storage capacity, 7200 RPM spindle speed, and a SAS-12Gbps interface, this drive delivers exceptional speed and reliability for enterprise environments. The 512MB buffer ensures smooth data transfers, while the 3.5-inch form factor makes it compatible with most enterprise storage systems.

Technical Specifications

Below are the detailed technical specifications of the SEAGATE ST20000NM007H Exos X24:

General Specifications

• Model: ST20000NM007H
• Capacity: 20TB
• Interface: SAS-12Gbps
• Form Factor: 3.5-inch
• RPM: 7200

Performance Specifications

• Buffer Size: 512MB
• Data Transfer Rate: Up to 12Gbps
• Seek Time: <8.5ms (average)

Reliability Specifications

• MTBF: 2.5 million hours
• Workload Rate: 550TB/year
• Warranty: 5 years

Tailored for Demanding Applications

• Optimized for cloud-scale data centers and hyperscale platforms
• Ideal for RAID-based storage systems requiring high density
• Perfect for large-volume surveillance systems and digital archives
• Supports massive-scale distributed file systems like Ceph and Hadoop
• Efficient for backup and recovery operations—D2D and virtual tape storage
• Compatible with enterprise-class external storage arrays
• Built for mainstream enterprise applications requiring scalable throughput

Advanced Interface and Mechanical Build

Harnessing a SAS 12Gb/s connection, this 3.5-inch internal hard drive supports multiple interface speeds including 6.0Gb/s and 3.0Gb/s, making it flexible across legacy and modern infrastructure.

Core Interface Specifications

• SAS interface supports 12.0Gb/s, backward-compatible with 6.0Gb/s and 3.0Gb/s
• Dual-port design for increased availability and fault tolerance
• 512e (512 Bytes per sector) and 4Kn (4096 Bytes per sector) formatting supported
• Hot-plug support enables uninterrupted system maintenance

Form Factor and Construction

• Standard 3.5-inch drive dimensions for easy integration
• Helium-sealed chassis ensures durability and low turbulence
• Weight: approximately 685 grams
• Dimensions: 147.0mm (L) x 101.85mm (W) x 26.1mm (H)

Outstanding Data Transfer Rates and Responsiveness

This enterprise-class drive achieves blazing-fast sustained data transfer speeds and exceptional IOPS for both random and sequential workloads.

Performance Metrics

• Maximum sustained transfer speed: up to 285MB/s read, 272MB/s write
• Random 4K IOPS (QD16, Write Cache Disabled): 550 write / 168 read
• Average latency: 4.16 milliseconds for prompt data access
• High-speed buffer memory: 512MB cache accelerates operations
• Rotational speed of 7200 RPM ensures balance between speed and energy

Enterprise-Grade Reliability and Endurance

Engineered for 24x7 data center workloads, the Exos X24 boasts robust endurance features and a long operational lifespan.

Reliability Highlights

• Mean Time Between Failures (MTBF): 2.5 million hours for trusted dependability
• SuperParity™ error recovery mechanism enhances data integrity
• Firmware security verified through RSA 3072 signature validation (SD&D)
• Organic Solderability Preservative (OSP) adds long-term solder joint reliability

Environmental and Safety Features

• Low-halogen construction promotes environmental safety compliance
• PowerChoice™ technology reduces idle power consumption without affecting responsiveness
• PowerChoice™ power/performance optimization for dynamic workload balancing

Recording and Data Protection Technologies

• Conventional Magnetic Recording (CMR) ensures data durability
• Helium-sealed drive minimizes drag and enhances power efficiency

Designed for Data-Centric Innovation

Whether you're expanding cloud storage, deploying a hyperscale file system, or backing up massive volumes of enterprise data, the SEAGATE Exos X24 20TB HDD is purpose-built for high-availability storage and performance-focused workflows.

Key Features of the SEAGATE Exos X24 20TB HDD

The SEAGATE Exos X24 is packed with advanced features that make it ideal for enterprise storage solutions:

• 20TB Storage Capacity: Ideal for large-scale data centers and cloud storage.
• 7200 RPM Speed: Ensures fast data access and reduced latency.
• SAS-12Gbps Interface: Provides high-speed data transfer rates for enterprise workloads.
• 512MB Cache: Enhances performance by buffering read/write operations.
• Enterprise-Grade Reliability: Designed for 24/7 operation with high MTBF.
• ISE (Instant Secure Erase): Ensures data security with quick drive sanitization.

Performance and Speed

The SEAGATE Exos X24 20TB HDD is engineered for high-performance computing environments. Its 7200 RPM spindle speed and SAS-12Gbps interface ensure rapid data access, making it suitable for applications requiring high throughput.

Data Transfer Rates

With a SAS-12Gbps connection, this drive supports data transfer rates of up to 12 gigabits per second, significantly faster than SATA-based alternatives. This makes it ideal for:

• Enterprise servers
• Data centers
• High-performance computing (HPC) clusters
• Cloud storage solutions

Cache Performance

The 512MB buffer helps reduce latency by temporarily storing frequently accessed data. This improves overall system responsiveness, especially in multi-user environments.

Reliability and Durability

The SEAGATE Exos X24 is built for enterprise environments where uptime is critical. It features:

• 2.5M Hours MTBF: High Mean Time Between Failures ensures long-term reliability.
• 550TB/Year Workload Rating: Designed for heavy-duty workloads.
• RAID-Optimized: Supports RAID configurations for data redundancy.

Power Efficiency

Despite its high performance, the Exos X24 is optimized for power efficiency, reducing operational costs in large-scale deployments.

Use Cases and Applications

The SEAGATE ST20000NM007H Exos X24 is designed for demanding enterprise applications, including:

Data Centers and Cloud Storage

With its 20TB capacity and high-speed SAS interface, this drive is perfect for cloud service providers and large-scale data centers requiring massive storage density.

Enterprise Servers

Ideal for mission-critical applications such as:

• Database servers
• Virtualization hosts
• Big data analytics

High-Performance Computing (HPC)

The Exos X24 is well-suited for HPC environments where fast data access and large storage capacities are essential.

Compatibility and Integration

The SEAGATE Exos X24 is compatible with a wide range of enterprise storage systems, including:

• Server racks
• Storage arrays
• NAS/SAN solutions

Operating System Support

This drive is compatible with major operating systems, including:

• Windows Server
• Linux distributions
• VMware ESXi

Security Features

The Exos X24 includes advanced security features to protect sensitive data:

Instant Secure Erase (ISE)

Allows for quick and secure data sanitization, ensuring compliance with data protection regulations.

Self-Encrypting Drive (SED) Options

Some models support hardware-based encryption for enhanced security.