507616-B21 HPE 2TB 7.2K RPM Dual Port SAS 6GBPS HDD

Overview of HPE 507616-B21 2TB 7.2K RPM SAS 6GBPS HDD

The HPE Dual Port Midline Hard Drive 2TB SAS 6Gb/s is a reliable enterprise-grade storage solution designed for high-performance server environments. Built for hot-swap capability and consistent data handling, this 3.5-inch Large Form Factor (LFF) drive is ideal for business-critical workloads requiring stability and durability.

General Information

• Manufacturer: HPE
• Part Number: 507616-B21
• Product Type: Hard Disk Drives

Technical Specifications

• Product Type: Hot-swap hard disk drive
• Storage Capacity: 2 Terabytes (TB)
• Form Factor: 3.5-inch LFF (Large Form Factor)
• Interface Type: Serial Attached SCSI (SAS) 6Gb/s
• Sector Size: 512 bytes per sector

Performance Specifications

• Data Transfer Rate: Up to 600 Mbps (external)
• Spindle Speed: 7200 RPM
• Designed for consistent enterprise workload handling

Physical Dimensions & Build

Size and Weight

• Width: 7.2 inches
• Depth: 4.4 inches
• Height: 1 inch
• Weight: 1.54 lbs

Compatibility with HPE ProLiant Servers

Supported Server Models

• ProLiant DL series: DL120 G7, DL160 G6, DL165 G7, DL180 G6
• ProLiant DL320 G6, DL370 G6, DL380 G7, DL385 G6/G7
• ProLiant ML series: ML110 G7, ML150 G6, ML330 G6, ML350 G6, ML370 G6

The HPE 507616-B21 2TB SAS 6Gb/s Hot-Swap HDD

Midline hard drives such as the HPE 507616-B21 2TB SAS 6Gb/s Hot-Swap HDD are designed to serve as a balanced solution between high-performance enterprise SSDs and lower-cost archival storage systems. Within data centers, these drives typically function as bulk storage units where capacity, reliability, and affordability must coexist. They are frequently deployed in environments where read and write workloads are moderate but consistent, making them ideal for backup repositories, file storage servers, and cloud-scale object storage nodes.

2TB Storage

The 2TB capacity of the HPE 507616-B21 drive offers a practical balance between density and manageability. In enterprise storage arrays, this capacity is sufficient for mid-scale deployments while allowing administrators to maintain redundancy and fault tolerance across multiple disks. The physical design follows standard enterprise form factors, ensuring compatibility with a wide range of HPE ProLiant servers and storage enclosures. This compatibility allows seamless integration without requiring hardware modifications or specialized adapters.

7.2K RPM Speed HDD

This enterprise hard drive operates at a rotational speed, providing faster access times compared to standard 7.2K RPM drives. The enhanced rotational speed significantly improves input/output operations per second (IOPS), which is essential for applications that rely on rapid data retrieval and processing. With reduced latency and quicker seek times, organizations can ensure smoother system operations even during peak usage.

SAS 6Gb/s Interface 

The Serial Attached SCSI (SAS) 6Gb/s interface is a defining feature of this drive. SAS technology is known for its reliability, full-duplex communication, and superior error correction compared to SATA-based alternatives. The dual-port capability enhances redundancy and multipath access, ensuring uninterrupted data flow even in the event of a controller failure. SAS architecture is particularly beneficial in mission-critical environments where uptime is essential. It enables simultaneous communication paths between storage controllers and the drive, increasing resilience and minimizing bottlenecks.

Hot-Swap Functionality

Hot-swap capability allows the HPE 507616-B21 HDD to be replaced or added without shutting down the system. This feature is crucial in high-availability environments where downtime translates directly into operational loss. Administrators can perform maintenance tasks such as drive replacement, capacity upgrades, or failure recovery while the system remains fully operational. This functionality is a cornerstone of enterprise storage design and is widely used in clustered server environments and RAID configurations.

Balanced Performance HDD

The HPE 2TB SAS 6Gb/s Midline HDD is optimized for sequential read and write operations. This makes it particularly suitable for workloads such as media storage, backup processing, and large-scale data logging. While not designed for high IOPS random access performance, it excels in sustained throughput scenarios. Its mechanical design ensures stable rotational speeds that support predictable latency patterns, which is essential for enterprise applications that rely on consistent data retrieval timing.

Compatibility with HPE ProLiant Servers

The HPE 507616-B21 HDD is specifically validated for use within HPE ProLiant servers and storage arrays. This ensures optimal firmware compatibility, reducing the risk of integration issues and maximizing performance stability. Its design aligns with HPE Smart Array controllers, enabling efficient RAID configuration and advanced storage management features such as cache optimization and predictive analytics.

Scalability in Enterprise Storage Arrays

As data demands increase, organizations can scale storage capacity by adding additional 2TB SAS drives into existing arrays. This modular scalability allows incremental expansion without major infrastructure redesign. Such flexibility is especially valuable in cloud hosting environments, enterprise databases, and virtualization platforms where storage requirements evolve rapidly.

Energy Efficiency and Thermal Management

Midline SAS drives are designed with energy efficiency in mind. Their power consumption profile is optimized to reduce overall data center energy usage while maintaining consistent performance. In large-scale deployments involving hundreds or thousands of drives, even minor reductions in per-drive power usage can translate into significant cost savings over time.

Integration with Hybrid Storage Architectures

Modern enterprise systems often integrate HDDs and SSDs in hybrid configurations. Midline SAS drives provide cost-effective bulk storage while SSDs handle high-speed caching and transactional workloads, creating a balanced and efficient storage ecosystem.