ST31000640SS Seagate 1TB 7200RPM SAS-3GBPS Barracuda HDD

Product Overview Of SEAGATE Barracuda 1TB 7200RPM HDD

Designed for mission-critical applications and optimized for durability, the Seagate ST31000640SS Barracuda ES.2 delivers consistent performance with ample storage capacity. Engineered with precision, this 1TB 3.5-inch SAS hard disk drive is tailored for enterprise-level servers and storage arrays.

Key Specifications of SEAGATE ST31000640SS

• Model: ST31000640SS
• Capacity: 1TB
• Spindle Speed: 7200 RPM
• Interface: SAS 3Gb/s
• Cache: 16MB Buffer
• Form Factor: 3.5-inch, Low Profile (1.0 inch height)
• Reliability: Designed for 24/7 operations
• MTBF: 1.2 million hours
• Hot-swappable: Yes (in supported enclosures)

Interface and Transfer Rate Efficiency

• Connectivity: Built on a Serial Attached SCSI interface, the SAS-3Gbps link offers stable throughput and fast access to large datasets.
• Protocol: The SAS (Serial Attached SCSI) channel ensures error-resilient command execution and efficient data retrieval.
• Cache Memory: Equipped with a 16MB buffer for seamless read-write balancing and increased response time.

Generous Capacity and High-Speed Rotation

The Seagate ST31000640SS is perfect for organizations that demand reliable 24/7 operation with sufficient headroom for logs, backups, or media storage:

• Provides 1 Terabyte of formatted disk space to accommodate large volumes of structured and unstructured data.
• Rotational speed of 7200 revolutions per minute supports optimal data throughput without excessive vibration or heat.

Latency and Access Speed Performance Metrics

This enterprise-class HDD is tuned for responsiveness, reducing bottlenecks in multi-user environments:

• Average Latency: Fast disk rotation translates to a latency of just 4.16 milliseconds.
• Random Read Seek: Approximately 8.5 ms, enabling rapid access to scattered file segments.
• Random Write Seek: Clocked at 9.5 milliseconds for swift and efficient data placement.

Compact Form Factor & Rugged Engineering

Built to fit into dense server environments, the drive offers standardized dimensions that ensure compatibility across leading OEMs and enclosures:

• Drive Height: 26.11 mm for seamless integration into industry-standard bays.
• Drive Width: 101.6 mm ensures a snug and secure fit in 3.5-inch slots.
• Length: Measures 146.99 mm to maintain airflow efficiency inside racks and cabinets.
• Weight: Weighs approximately 530 grams, balancing mass and mechanical stability.

Ideal Use Cases & Operational Reliability

The Seagate Barracuda ES.2 ST31000640SS excels in enterprise use cases where reliability, consistent uptime, and longevity matter most. Its industrial-grade components make it a preferred choice in:

• Data centers managing distributed storage clusters
• Business-critical servers needing long-term performance
• Cloud-based applications requiring uninterrupted access to stored files
• Backup and archiving solutions where data integrity is non-negotiable

Advantages of the Barracuda ES.2 Series

The ES.2 family of drives is recognized for its balance of cost-efficiency, high-capacity storage, and enterprise-grade reliability:

• Proven thermal management for extended lifespan
• Stable SAS interface support for redundancy and signal integrity
• Backward compatibility with legacy 3Gbps SAS systems

Technical Excellence Meets Long-Term Value

Whether deployed in transactional databases, file hosting servers, or large-scale archival infrastructure, the ST31000640SS provides uncompromising efficiency. With a commitment to long lifecycle management, this drive reduces maintenance needs and improves ROI for IT operations.

Seagate ST31000640SS 1TB SAS-3Gbps Barracuda HDD: Performance Meets Reliability

The SEAGATE ST31000640SS is a high-capacity 1TB internal hard drive engineered for enterprise-level applications and mission-critical systems. As part of the renowned Seagate Barracuda family, this drive delivers a combination of performance, efficiency, and durability. With a 7200RPM spindle speed, 16MB cache buffer, SAS-3Gbps interface, and 3.5-inch low profile (1.0 inch) form factor, it serves as an optimal storage solution for demanding environments.

Enterprise-Grade SAS Connectivity

The Serial Attached SCSI (SAS) 3Gbps interface of the Seagate ST31000640SS offers exceptional data integrity, enhanced performance, and backward compatibility with SATA infrastructure. The SAS interface is engineered for consistent throughput and reduced latency, making it ideal for servers, data centers, and mission-critical applications. SAS drives are also known for dual-port capability, enabling improved failover and redundancy in RAID configurations.

Benefits of SAS over SATA in Enterprise Environments

• Full-duplex communication for higher data throughput
• Advanced error correction and command queuing
• Dual-port access for redundancy and high availability
• Optimized for multi-user and multitasking workloads

Performance and Speed for High-Demand Applications

With a 7200 RPM spindle speed and 16MB of onboard cache, the Seagate ST31000640SS ensures consistent read/write operations. This drive is suitable for medium to heavy-duty data workloads, such as:

• Email and database servers
• Virtualized environments
• Enterprise backup and archiving
• Data logging and transactional systems
• Small to medium business file servers

Consistent Transfer Rates

The Barracuda SAS drive delivers dependable data transfer rates up to 150MB/s sustained, supporting consistent and predictable performance across various workloads. This helps minimize latency and ensures faster access to frequently used data.

Low Profile Design for Flexible Integration

The 1.0-inch low-profile design enables better airflow and compatibility with compact or high-density server configurations. Whether deployed in rack-mount servers or high-capacity NAS units, this drive is easy to integrate thanks to its industry-standard 3.5-inch form factor.

Advantages of the Low-Profile 3.5-inch Format

• Improved cooling efficiency in dense server arrays
• Reduced vibration and acoustic noise
• Compatibility with enterprise-class hot-swap trays

Enhanced Durability and Long-Term Reliability

Seagate’s proven engineering ensures that the ST31000640SS operates reliably under constant workloads. With a Mean Time Between Failures (MTBF) of 1.2 million hours, this drive is engineered to deliver years of dependable service. Key features contributing to its durability include:

• Rotational Vibration Sensors (RVS) for performance in multi-drive environments
• Advanced power management for lower operational costs
• Error recovery and thermal monitoring technologies

24x7 Operation Ready

This HDD is built to run around the clock. Designed for environments where downtime is not an option, it performs reliably under continuous loads, unlike many desktop-class alternatives.

Use Cases and Industry Applications

The Seagate ST31000640SS is versatile across numerous industries. Ideal for:

• Financial institutions requiring secure and fast access to transaction data
• Healthcare systems managing sensitive patient records with data redundancy
• Cloud infrastructure where IOPS consistency is key
• Educational institutions supporting LMS and backup servers
• Government agencies that require data integrity and regulatory compliance

Seagate Barracuda: A Trusted Name in Storage

The Barracuda family by Seagate has been a trusted name in high-capacity, high-efficiency storage for decades. Known for cutting-edge innovation, the Barracuda SAS series maintains that legacy by delivering industrial-grade performance at cost-effective pricing.

Proven Track Record

• Millions of units deployed worldwide
• Trusted by OEMs and data centers globally
• Comprehensive warranty and support network

Power Efficiency and Operational Cost Benefits

Even with its 7200 RPM speed and SAS performance, the Seagate ST31000640SS remains power-conscious. With efficient idle and active power consumption ratings, it reduces electricity and cooling demands in multi-drive deployments.

Power Specifications

• Idle: 7.8W
• Typical Read/Write: 11.6W
• Power-On to Ready: < 13 seconds

Seamless Compatibility and Integration

With its standard 3.5-inch form factor and SAS 3Gbps interface, the ST31000640SS can be easily integrated into existing storage infrastructures. Compatible with major server brands including HPE, Dell EMC, IBM, Supermicro, and others, this HDD supports:

• RAID configurations (RAID 0, 1, 5, 6, 10, 50)
• Linux, Windows Server, and VMware environments
• NAS and SAN platforms

Firmware Optimization and Secure Erase Capabilities

Seagate offers enterprise-grade firmware management tools and utilities that allow IT administrators to update firmware, monitor drive health, and perform secure data erasure operations. This includes:

• Support for Secure Erase (SAS Sanitize command)
• SMART monitoring and predictive failure analysis
• Seagate SeaTools compatibility

Top Reasons to Deploy This HDD

1. Reliable 7200 RPM performance with 16MB cache
2. Enterprise SAS interface ensures consistent throughput
3. Compact 1.0-inch height fits dense server racks
4. Field-proven design trusted in enterprise environments
5. Backward compatibility with SATA infrastructure

Storage Scalability with Confidence

The Seagate ST31000640SS excels in scalable environments, whether deployed individually or in massive RAID clusters. Its consistent reliability and low error rates make it a solid choice for expanding digital infrastructures and archiving projects.

Perfect for Legacy Systems & Mixed Drive Arrays

Thanks to its SAS-3Gbps interface, the drive is well-suited for backward-compatible installations and legacy upgrade projects, where high-capacity 1TB drives are still critical to maintaining system stability and avoiding unnecessary cost escalation.

Inventory Availability

The ST31000640SS remains widely available through enterprise resellers, IT refurbishers, and B2B bulk storage suppliers, offering cost-effective upgrade paths for aging but still operational data platforms.