ST9500430SS Seagate Constellation 500GB 7.2 RPM SAS 6GBPS 2.5" HDD.

Overview of Seagate ST9500430SS 500GB HDD

Boost enterprise storage efficiency with the Seagate Constellation ST9500430SS. This 2.5-inch SAS hard drive delivers reliable 7.2K RPM performance, a 16MB cache for fast data access, and a compact form factor for high-density storage solutions.

Technical Overview

• Manufacturer: Seagate
• Model Number: ST9500430SS
• Drive Type: Hard Disk 
• Interface: SAS 6Gbps 
• Cache Memory: 16MB 
• Storage Capacity: 500GB
• Areal Density: 283 Gbits/in² for compact data storage

Physical Dimensions

• Height: 14.8 mm
• Width: 70 mm
• Length: 100.5 mm
• Weight: 227 grams
• Form Factor: 2.5-inch SFF for space-efficient storage deployment

Performance Features

• Spindle Speed: 7,200 RPM for balanced speed and reliability
• Average Latency: 4.16 ms for responsive read/write operations
• Random Read Seek Time: 8.0 ms
• Random Write Seek Time: 8.4 ms
• Enterprise-Grade Reliability: Suitable for servers, NAS, and data-intensive workloads

Connectivity & Integration

• SAS 6Gbps Interface: Ensures fast and secure data transfer
• Internal Drive Deployment: Fits seamlessly in 2.5-inch enterprise storage bays
• High-Density Compatibility: Ideal for compact servers and storage arrays

Benefits of Seagate ST9500430SS

• High-speed SAS connectivity ensures consistent, reliable data transfer
• 16MB cache buffer enhances frequently accessed data performance
• 7.2K RPM spindle balances speed, endurance, and energy efficiency
• Compact 2.5-inch design supports dense storage setups
• Optimized for enterprise applications including virtualization and database management

Enterprise Features & Advantages

• Designed for continuous operation in data centers and server environments
• High areal density allows greater storage in smaller physical space
• Reliable read/write performance reduces latency for mission-critical workloads
• Seamless integration with high-density server racks and storage arrays

Compatible ProLiant Server Series

• BL Series: BL420c, BL460c, BL465c, BL660c (Gen8/Gen9)
• DL Series: DL20, DL60, DL80, DL120, DL160, DL180, DL320e, DL360, DL380, DL560, DL580
• ML Series: ML110, ML150, ML310e, ML350 variants
• SL Series: SL230s, SL250s, SL270s
• XL Series: XL170r, XL190r, XL220a, XL230a, XL250a

Details of Seagate ST9500430SS SAS 6Gbps HDD

The Seagate ST9500430SS Constellation 500GB 7.2K RPM SAS 6Gbps 2.5-inch hard disk drive is a robust and high-performance storage solution designed for enterprise server and storage array applications. With its 7.2K RPM rotational speed, dual-port SAS 6Gbps interface, and 2.5-inch form factor, the Constellation drive delivers a combination of reliability, scalability, and efficient power consumption. Its 500GB capacity provides a balance between storage space and high-speed access, making it ideal for transactional databases, virtualization environments, and high-density server deployments.

Interface

The Seagate Constellation ST9500430SS utilizes a Serial Attached SCSI (SAS) 6Gbps interface to deliver enterprise-grade performance, data integrity, and reliability. SAS technology ensures high throughput and low latency, making this drive suitable for multi-user environments and intensive workloads. The dual-port SAS design allows simultaneous read/write operations over multiple paths, providing fault tolerance and continuous access to data. This makes it a preferred choice for mission-critical applications in financial services, healthcare, cloud computing, and virtualized infrastructures where data availability and speed are essential.

Rotational Speed

With a spindle speed of 7,200 revolutions per minute, the ST9500430SS delivers consistent performance while maintaining energy efficiency. The rotational speed offers a balanced combination of high throughput and low operational heat output, making it suitable for high-density server racks where thermal management is critical. The drive’s performance profile supports a wide range of workloads, including large sequential data transfers, database management, and content streaming, ensuring that servers can maintain optimal responsiveness under varying load conditions.

Storage Capacity 

The 500GB capacity of the Seagate Constellation HDD is optimized for enterprise environments where speed and reliability take precedence over bulk storage. This storage size enables organizations to deploy multiple drives in RAID configurations, enhancing both redundancy and I/O performance. With sufficient capacity to host transactional databases, boot volumes, and frequently accessed files, the drive provides a practical and cost-effective solution for high-density storage arrays and multi-server deployments, maintaining consistent access times and operational efficiency.

High Availability and Reliability

The dual-port design of the ST9500430SS Constellation HDD ensures that data remains accessible even if one connection path fails. This capability is critical in enterprise-grade storage systems that require uninterrupted availability, such as SAN and NAS environments, clustered servers, and high-availability applications. Dual-path SAS provides redundancy, improves fault tolerance, and allows continuous operation during maintenance or unexpected failures, reducing downtime and enhancing business continuity.

Small Form Factor

The 2.5-inch form factor of the Constellation drive allows organizations to maximize storage density without sacrificing performance. High-density server and storage array deployments benefit from the compact design, enabling the installation of more drives per chassis and optimizing rack utilization. This form factor contributes to improved airflow and cooling efficiency, lowering energy consumption and operational costs while maintaining high reliability and performance in dense storage environments.

Data Integrity

The Seagate Constellation series, including the ST9500430SS, features advanced error correction and data protection technologies to ensure the integrity of stored information. Enterprise workloads often involve frequent read/write operations and high-volume data access; the drive’s robust error correction mechanisms protect against data corruption, reduce the risk of downtime, and maintain consistent application performance. IT administrators can confidently deploy these drives in mission-critical systems, knowing that data integrity and reliability are prioritized.

Optimized for RAID and High-Availability Configurations

The ST9500430SS is fully compatible with various RAID levels, including RAID 0, 1, 5, 6, and 10. These configurations allow enterprises to optimize storage arrays for both performance and redundancy. In RAID arrays, the dual-port SAS interface enables simultaneous multi-path data access, enhancing throughput and fault tolerance. This drive is particularly well-suited for high-density storage environments, virtualization clusters, and database servers, where high IOPS and low latency are required for maintaining business-critical operations.

Integration

The Seagate Constellation ST9500430SS is fully compatible with enterprise server management and monitoring tools. Integration with software solutions such as Dell OpenManage, HP Insight Manager, and IBM Director enables proactive drive health monitoring, predictive failure alerts, and firmware management. This ensures that administrators can maintain consistent drive performance, prevent downtime, and manage large-scale storage deployments efficiently. Centralized monitoring simplifies enterprise storage management and improves operational efficiency across multi-server and multi-array environments.

Scalability and Future-Ready Storage

With its compact 2.5-inch form factor, dual-port SAS interface, and balanced 7.2K RPM performance, the ST9500430SS Constellation drive is ideal for scalable storage infrastructures. Enterprises can incrementally expand capacity by adding drives to existing arrays without compromising performance. Dual-path connectivity ensures redundancy in high-density deployments, making the drive suitable for large-scale data centers, virtualization clusters, and cloud storage solutions. The Constellation series allows organizations to invest in future-ready storage solutions that deliver reliability, high performance, and operational flexibility as storage demands grow.

Performance Optimization 

High-density server deployments benefit from the Seagate Constellation ST9500430SS due to its compact form factor, efficient power usage, and robust performance. IT teams can install numerous drives per chassis to achieve maximum storage capacity while maintaining low latency and high throughput. The dual-port SAS interface supports concurrent access and redundancy, enabling mission-critical applications to continue uninterrupted.