ST9900805SS Seagate 900GB 10K RPM 64MB SAS-6GBPS Savvio Hard Drive

Overview of Seagate ST9900805SS 900GB HDD

The Seagate ST9900805SS, part of the Savvio 10k.5 series, delivers high-speed, enterprise-class storage in a compact 2.5-inch form factor. Engineered for mission-critical applications, it combines a 10,000 RPM spindle with a SAS 6Gb/s interface to maximize performance and reliability.

Product Information

• Manufacturer: Seagate
• Part Number: ST9900805SS
• Product Type: Hard Disk Drive 

Technical Specifications

• Capacity: 900GB 
• Interface: SAS 6Gb/s
• Cache/Buffer: 64MB
• Rotational Speed: 10,000 RPM

Physical Dimensions and Form Factor

• Form Factor: 2.5-inch internal drive, ideal for dense storage arrays
• Dimensions: 0.59" height × 2.76" width × 3.95" length
• Weight: 0.45 lbs, lightweight yet robust

Performance and Reliability

• 10K RPM rotational speed delivers rapid sequential and random read/write operations.
• 64MB cache ensures low latency and smoother handling of large workloads.
• SAS 6Gb/s interface provides superior throughput for enterprise storage networks.

Enterprise-Grade Durability

• Designed for continuous 24/7 operation in critical environments.
• Optimized for high-demand applications, supporting consistent performance under heavy workloads.
• Compact 2.5-inch design allows high-density deployment without compromising airflow.

System Integration Benefits

• Supports SAS 6Gb/s for high-speed networked storage systems.
• Compatible with multiple drive enclosures for scalable configurations.
• Backward compatible with previous SAS generations for flexible system upgrades.

Space-Efficient Design

• 2.5-inch form factor allows for high-density storage solutions in servers and storage arrays.
• Compact 0.59-inch height fits into standard drive bays, minimizing physical footprint.

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 ST9900805SS 900GB HDD

The Seagate ST9900805SS Savvio 900GB SAS 10K RPM 64MB hard drive is a high-performance enterprise storage solution designed for mission-critical applications that demand both speed and reliability. Featuring a 10,000 RPM spindle speed and a 6Gbps SAS interface, this Savvio model provides rapid access to data with low latency, making it ideal for database servers, virtualization platforms, and high-volume transaction environments. Its 64MB cache enhances data transfer efficiency, while the 2.5-inch Small Form Factor (SFF) design supports high-density storage deployments in modern data centers. Engineered for continuous 24/7 operation, the ST9900805SS ensures consistent performance, durability, and scalability for enterprise storage infrastructures.

Rotational Speed

The 10,000 RPM spindle speed of the Savvio 900GB hard drive allows for fast data access and low seek latency, providing significant performance improvements over traditional 7.2K RPM drives. This speed is particularly beneficial for applications with high random I/O workloads, such as online transaction processing (OLTP), virtualization, and business-critical databases. By reducing the time required to read and write data, the 10K RPM drive ensures that multiple users or applications can access information simultaneously without performance degradation. This high-speed rotational performance also supports consistent throughput in RAID configurations, delivering reliable results in enterprise storage arrays.

6Gbps SAS Interface

The Seagate ST9900805SS leverages a 6Gbps Serial Attached SCSI (SAS) interface, providing a reliable and fast connection between servers and storage arrays. SAS technology supports full-duplex data transfer, allowing simultaneous read and write operations, which is critical in environments with high transaction volumes. Compared to SATA drives, SAS offers enhanced error correction, better latency management, and higher reliability under heavy workloads. The interface ensures that data can move quickly and securely between the storage medium and the host system, making it ideal for enterprise applications where consistent and predictable performance is essential.

Small Form Factor (SFF)

The 2.5-inch SFF form factor of the Savvio 900GB drive allows organizations to deploy more drives within the same rack space, optimizing storage density while maintaining efficient cooling and airflow. This design is particularly advantageous for blade servers, rack-mounted servers, and storage arrays where space is at a premium. Despite its compact size, the SFF drive delivers enterprise-grade performance and reliability. High-density deployment capabilities enable IT teams to expand storage capacity efficiently without sacrificing performance or manageability, which is critical for growing data center environments.

64MB Cache

The 64MB onboard cache of the ST9900805SS Savvio enhances both sequential and random data transfer speeds. The cache temporarily stores frequently accessed data, reducing latency and improving overall system responsiveness. For enterprise workloads that involve frequent read/write operations, such as virtualization and database management, the cache allows for quicker processing of repetitive tasks. This feature ensures that high-speed operations are maintained even under peak load conditions, providing a smoother and more efficient data handling experience in multi-user and high-demand environments.

Reliability and Durability

Seagate Savvio drives are engineered to meet the rigorous demands of enterprise environments, and the ST9900805SS is no exception. The drive is designed for continuous 24/7 operation and includes features such as vibration tolerance, shock resistance, and advanced error recovery mechanisms. These elements ensure data integrity and minimize the risk of failure in multi-drive environments. Predictive failure analysis and SMART monitoring allow IT administrators to proactively maintain the drives, preventing unexpected downtime and maintaining business continuity. This high level of reliability makes the Savvio 900GB drive ideal for mission-critical applications and high-availability storage systems.

Hot-Swap Capability

The Savvio 900GB drive supports hot-swap functionality, allowing drives to be replaced or added to servers without shutting down the system. This capability is essential in enterprise environments where uptime is critical, as it enables IT teams to perform maintenance, upgrades, or replacements without interrupting operations. Hot-swapping also simplifies storage management in RAID arrays, providing flexibility and operational efficiency while reducing potential service disruptions. Combined with the drive’s small form factor and high-speed performance, hot-swap capability ensures both ease of maintenance and minimal downtime in complex storage infrastructures.

RAID Configurations

The Seagate ST9900805SS 900GB SAS drive is particularly well-suited for deployment in enterprise storage arrays and RAID configurations. Its 10K RPM performance and 6Gbps SAS connectivity allow for both high-speed data access and redundancy when configured in RAID 1, RAID 5, or RAID 10 setups. These drives are ideal for environments requiring reliable data protection alongside high throughput, such as database servers, virtualization platforms, and high-transaction application servers. By combining multiple Savvio drives, organizations can achieve a balance of performance, storage capacity, and fault tolerance, making it a versatile solution for a variety of enterprise storage needs.

Data Integrity and Monitoring Features

Maintaining data integrity is essential in enterprise storage, and the ST9900805SS includes advanced features to protect information. SMART monitoring, predictive failure analysis, and error correction mechanisms ensure that potential issues are identified early, allowing IT administrators to take preventive action. These features, combined with RAID configurations, enhance fault tolerance and provide a reliable layer of data protection. Organizations can rely on these safeguards to maintain uninterrupted access to critical data, minimizing the risk of operational disruption and supporting high-availability requirements in enterprise environments.

Integration with Enterprise Server Ecosystems

The Savvio 900GB drive is compatible with major enterprise server vendors and storage platforms. Firmware optimization and SAS interface support enable seamless integration with Dell, HP, IBM, and other server ecosystems. Monitoring and management tools provide administrators with insights into drive health, performance metrics, and predictive failure indicators.