3KW233-150 Seagate Exos X24 16TB 7200RPM SAS-12GBPS HDD.

Seagate 3KW233-150 16TB 7200RPM SAS-12GBPS HDD

Engineered for maximum performance in data-intensive environments, the Seagate 3KW233-150 Exos X24 16TB enterprise HDD delivers exceptional capacity and speed with 7200 RPM, 512MB cache, and dual-port SAS 12Gb/s interface. Featuring helium-sealed design, CMR technology, and advanced power management, this 3.5-inch drive is optimized for mission-critical storage in high-density server and storage array deployments.

Product Overview & Enterprise Architecture

• Manufacturer: Seagate Technology
• Part Identifier: 3KW233-150
• Product Series: Exos X24 Enterprise HDD

Capacity & Performance Specifications

Storage Capacity & Physical Design

• Total Data Storage: 16 Terabytes (16,000GB)
• Form Factor: 3.5-inch Internal Drive
• Interface Standard: SAS 12 Gigabits per second
• Sector Format Support: 512e and 4Kn native sector sizes
• Rotational Speed: 7200 Revolutions Per Minute
• Cache Memory Size: 512MB high-performance buffer
• Physical Dimensions: 147.0 x 101.85 x 26.1 mm
• Drive Weight: 685 grams (helium-filled design)

Performance Metrics & Data Throughput

• Maximum Sustained Transfer Rate: 285 MB/s read, 272 MB/s write
• Random Read Performance: 168 IOPS (4K, QD16, write cache disabled)
• Random Write Performance: 550 IOPS (4K, QD16, write cache disabled)
• Average Access Latency: 4.16 milliseconds
• Interface Speed Options: 12.0, 6.0, or 3.0 Gb/s auto-negotiation

Advanced Enterprise Technologies

Reliability & Durability Features

• Helium-Sealed Design: Reduces aerodynamic drag for improved efficiency and reliability
• Conventional Magnetic Recording: CMR technology for consistent performance
• Mean Time Between Failures: 2.5 million hours MTBF rating
• Superparity Protection: Enhanced error correction for data integrity
• Hot-Plug Support: Allows drive replacement without system shutdown

Power Management & Security Technologies

• PowerChoice™ Technology: Advanced idle power management and performance optimization
• RSA 3072 Firmware Verification: Secure firmware validation for enhanced security
• Low Halogen Design: Environmentally conscious manufacturing
• Organic Solderability Preservative: Improved manufacturing quality and reliability

Interface & Connectivity Specifications

Connection & Interface Configuration

• Host Interface: Dual-port SAS 12Gb/s (SAS-12)
• Interface Ports: Two independent SAS connectors for redundancy
• Speed Compatibility: Auto-negotiates to 12.0, 6.0, or 3.0 Gb/s
• Enclosure Compatibility: Standard 3.5-inch hot-swap drive bay
• Sector Size Support: Compatible with both 512e and 4Kn formats

Seagate 3KW233-150 16TB SAS-12GBPS HDD Overview

The Seagate 3KW233-150 Exos X24 16TB enterprise hard disk drive represents a premium category of high-capacity, high-reliability storage devices engineered specifically for mission-critical data center environments. This category focuses on enterprise-grade 3.5-inch HDDs that deliver exceptional storage density, sustained performance, and uncompromising reliability for always-on workloads. Designed to operate under continuous stress, Exos X24 drives are optimized for hyperscale data centers, enterprise storage arrays, cloud infrastructure, and large-scale data repositories that demand predictable behavior and long operational life.At the core of this category is an architectural philosophy centered on maximizing capacity per drive while maintaining mechanical stability and performance consistency. The 16TB capacity of the Exos X24 is achieved through advanced multi-platter technology, refined actuator mechanisms, and precise head positioning systems that ensure reliable read and write operations even at extreme data densities. Operating at a spindle speed of 7200RPM, this enterprise HDD category delivers low latency access relative to nearline alternatives, supporting workloads that require both high throughput and responsiveness.

Mechanical Engineering Precision and Structural Integrity

Enterprise HDD categories such as the Exos X24 prioritize mechanical robustness to withstand the demands of densely packed server racks. The drive’s internal structure is engineered to minimize vibration, which is critical when dozens or hundreds of drives operate simultaneously within a single enclosure. Rotational vibration sensors and dynamic compensation algorithms embedded within the firmware allow the drive to adjust in real time, maintaining consistent performance even in high-vibration environments.

Thermal Optimization for Continuous Operation

Thermal efficiency is a defining attribute of this category. The Seagate 3KW233-150 is designed to operate reliably across a broad temperature range, ensuring data integrity and mechanical stability in fluctuating data center conditions. Optimized airflow compatibility and efficient power utilization reduce heat generation, supporting dense deployments without increasing cooling overhead. This thermal resilience enables sustained 24x7 operation, a fundamental requirement for enterprise and hyperscale environments.

Ultra-High Capacity Storage Density and Infrastructure Efficiency

High-capacity enterprise HDD categories are driven by the need to store exponentially growing volumes of data without proportional increases in physical infrastructure. The 16TB capacity of the Exos X24 enables organizations to consolidate storage, reducing the number of drives required per rack while maximizing usable capacity. This consolidation leads to improved power efficiency, reduced cooling requirements, and lower overall data center footprint.

The category is particularly valuable for enterprises managing large datasets such as backups, archives, analytics data, and content repositories. By delivering high terabytes-per-drive ratios, the Exos X24 supports scalable storage architectures that can grow seamlessly alongside business demands.

Rack-Level and System-Level Scalability

Scalability is central to the Exos X24 category. The SAS 12Gbps interface supports high-speed data transfer and robust connectivity, enabling seamless integration into enterprise storage arrays and server platforms. This interface ensures that the drive can scale within multi-drive configurations without becoming a performance bottleneck, supporting both current and future infrastructure requirements.

Performance Engineering and Sustained Throughput

The performance characteristics of the Seagate 3KW233-150 Exos X24 are shaped by its 7200RPM rotational speed, advanced firmware algorithms, and large 512MB cache. This category emphasizes sustained throughput and predictable response times rather than short-lived burst performance. Such consistency is essential for enterprise workloads that involve continuous data streaming, replication, and large sequential transfers.

The 512MB buffer plays a critical role in optimizing data flow, reducing latency during peak operations, and improving efficiency across mixed workloads. Enterprise HDD categories leverage intelligent caching strategies to balance read and write performance, ensuring smooth operation under heavy load.

Sequential Data Processing and Streaming Workloads

High-capacity enterprise HDDs are particularly well-suited for sequential workloads such as backup, restore, media streaming, and data replication. The Exos X24 delivers stable throughput that supports these applications without performance degradation over time. This reliability ensures that service-level agreements can be met consistently.

Handling Mixed Workload Patterns

While optimized for sequential access, the Exos X24 category is engineered to handle mixed workloads that include random reads and writes. Firmware-level optimizations ensure efficient command handling and queue management, maintaining acceptable response times even when access patterns vary.

Workload Rating and Long-Term Endurance

Enterprise HDD categories are defined by higher workload ratings compared to consumer or desktop drives. The Exos X24 is designed to support heavy annual data transfer volumes, making it suitable for environments with constant data movement. This endurance ensures that the drive maintains performance and reliability throughout its extended service life.

Reliability, Data Integrity, and Enterprise Validation

Reliability is a cornerstone of enterprise storage categories, and the Seagate Exos X24 exemplifies this through rigorous engineering and validation processes. The drive is built to deliver a high mean time between failures, reducing the risk of unexpected downtime and data loss. Enterprise-grade components and manufacturing standards ensure consistent quality across large deployments.

Advanced error detection and correction mechanisms protect data integrity during read and write operations. These mechanisms are particularly important in large-scale storage systems, where even minor errors can have significant operational impacts.

Information Assurance and Error Management

Enterprise HDD categories incorporate multi-layered error management technologies that continuously monitor data accuracy. The Exos X24 uses advanced algorithms to detect and correct errors before they affect system performance or data integrity. This proactive approach ensures reliable operation even under demanding conditions.

Interface Technology and Enterprise Connectivity

The SAS 12Gbps interface defines a premium category of enterprise HDDs designed for high-performance, high-reliability connectivity. The Seagate 3KW233-150 leverages this interface to deliver fast data transfer rates, robust error handling, and dual-port capabilities that enhance availability in enterprise systems.

The 3.5-inch form factor aligns with industry standards, ensuring compatibility with a wide range of servers and storage arrays. This standardization simplifies deployment, maintenance, and future upgrades, making the category attractive for long-term infrastructure planning.

Dual-Port SAS and High Availability

SAS-based enterprise HDD categories support dual-port connectivity, enabling redundant data paths and improved fault tolerance. This feature is essential for mission-critical applications where continuous access to data is required, even in the event of a path or controller failure.

512e and 4Kn Sector Format Flexibility

Support for both 512e and 4Kn sector formats enhances compatibility across diverse operating systems and storage platforms. This flexibility allows enterprises to deploy the Exos X24 in both legacy and modern environments, supporting smooth transitions to advanced storage architectures.

Security Architecture with Instant Secure Erase

Security is an increasingly important consideration in enterprise storage categories. The Seagate Exos X24 incorporates Instant Secure Erase functionality, enabling rapid and secure data sanitization when drives are repurposed or decommissioned. This hardware-based security feature ensures that sensitive data is protected throughout the drive’s lifecycle.

Data Protection Without Performance Impact

Unlike software-based encryption solutions, hardware-level security features operate independently of system resources. This ensures that data protection does not introduce latency or reduce throughput, preserving the drive’s performance characteristics.

Compliance and Secure Lifecycle Management

Instant Secure Erase simplifies compliance with data protection regulations by enabling fast and verifiable data removal. This capability reduces operational overhead and ensures that enterprises can manage storage assets securely and efficiently.

Firmware Intelligence and Proactive Drive Management

Enterprise HDD categories distinguish themselves through advanced firmware intelligence that enhances reliability, performance, and manageability. The Exos X24 firmware continuously monitors drive health, environmental conditions, and workload patterns, adjusting operation to maintain optimal performance.

Predictive Analytics and Health

Proactive monitoring capabilities provide early warnings of potential issues, enabling administrators to take corrective action before failures occur. This predictive approach minimizes downtime and protects data integrity across large storage environments.

Integration with Enterprise Management Ecosystems

The Exos X24 category supports integration with common storage management platforms, enabling centralized monitoring and reporting. This integration simplifies administration and enhances visibility into drive performance and health across the infrastructure.

Versatility Across Enterprise and Hyperscale Workloads

The Seagate 3KW233-150 Exos X24 is designed for versatility, supporting a wide range of enterprise and hyperscale workloads. Its combination of capacity, performance, and reliability makes it suitable for backup and recovery systems, big data analytics, content delivery networks, and cloud storage platforms.

Hyperscale and Cloud Storage Deployments

In hyperscale environments, storage categories must deliver consistent performance at massive scale. The Exos X24 supports dense storage configurations and predictable behavior under sustained load, making it a reliable component in distributed storage architectures.

Analytics and Large Dataset Processing

Large datasets used in analytics and AI workflows benefit from the high sequential throughput and capacity offered by the Exos X24 category. Efficient data access supports faster processing and improved utilization of compute resources.