846523-004 HPE 4TB 7.2K RPM SAS 12GBPS LFF Hard Drive

HPE 846523-004 4TB SAS 12Gbps Midline Hard Drive Overview

The HPE 846523-004 is a high-performance 4TB Midline Hard Disk Drive designed for enterprise-grade storage environments. Built for scalability, reliability, and efficiency, this drive is ideal for data-intensive workloads and server applications.

General Information

• Brand: HPE
• Part Number: 846523-004
• Product Type: Enterprise Hard Disk Drive

Technical Specifications

• Storage Capacity: 4 TB
• Form Factor: 3.5-inch LFF (Large Form Factor)
• Interface: SAS 12Gb/s
• Sector Size: 512 bytes

Performance Characteristics

• Spindle Speed: 7200 RPM
• External Transfer Rate: 1.2 Gbps
• Average Seek Time: 8.5 ms
• Maximum Seek Time: 15.7 ms
• Track-to-Track Seek Time: 0.8 ms

Physical Dimensions

• Width: 4.2 inches
• Depth: 6.7 inches
• Height: 1.1 inches
• Bundle: HPE SmartDrive Carrier included

Temperature Range

• Minimum Operating Temperature: 50°F
• Maximum Operating Temperature: 95°F

Compatibility

• HPE ProLiant DL20 Gen9 (3.5-inch)
• HPE ProLiant DL20 Gen9 Entry Edition (3.5-inch)
• HPE ProLiant DL20 Gen9 Performance Series (3.5-inch)

Business Benefits

• Optimized for enterprise storage environments
• Improved data reliability with dual-port architecture
• Hot-swap design reduces downtime during maintenance
• Efficient performance for midline storage workloads
• Seamless integration with HPE ProLiant servers

Ideal Use Cases

• Data center storage expansion
• Enterprise backup systems
• Server virtualization environments
• Cloud storage infrastructure

HPE 846523-004 4TB 7.2K RPM SAS 12GBPS Midline Hard Drive

The HPE 846523-004 4TB 7.2K RPM SAS 12GBPS Midline Hard Drive is engineered as a high-capacity enterprise storage solution designed for demanding server environments, data centers, and scalable IT infrastructures. Built with a focus on reliability, sustained throughput, and long-term data retention, this midline hard drive fits seamlessly into enterprise-grade HPE storage ecosystems. It is optimized for bulk storage applications where capacity, stability, and cost efficiency are equally important, making it a critical component in modern hybrid storage architectures.

As data growth continues to expand across cloud computing, virtualization, analytics, and enterprise backup systems, the need for dependable midline storage solutions has become increasingly important. This drive is specifically designed to meet these requirements by combining large storage capacity with SAS interface performance and enterprise-grade durability. Its architecture ensures that organizations can scale their storage infrastructure without compromising consistency or data integrity.

Enterprise Midline Storage Architecture and Design Philosophy

The design of the HPE 846523-004 is rooted in enterprise midline storage principles, focusing on balancing performance and cost efficiency. Unlike high-performance enterprise SSDs or mission-critical SAS drives, midline hard drives prioritize higher capacity per dollar while still maintaining enterprise-level reliability. This makes them ideal for workloads that require consistent access rather than extreme low-latency performance.

Mechanical Design and Rotational Stability

At the core of the drive’s design is its 7,200 RPM spindle speed, which provides a balanced performance profile suitable for sequential workloads and large data transfers. The rotational mechanism is engineered to minimize vibration and thermal instability, ensuring consistent performance even under sustained operational loads in dense server enclosures.

Thermal Control and Drive Longevity

Thermal management plays a crucial role in enterprise hard drives. The HPE 846523-004 incorporates optimized thermal control mechanisms that reduce heat accumulation during prolonged read and write operations. This ensures that the drive maintains its operational integrity in rack-mounted environments where airflow may be limited.

12Gbps SAS Interface Performance and Connectivity

One of the defining characteristics of this drive is its 12Gbps SAS interface, which delivers significantly higher data throughput compared to traditional SATA interfaces. SAS, or Serial Attached SCSI, is widely used in enterprise storage environments due to its reliability, scalability, and full-duplex communication capabilities.

High-Speed Data Transfer Capabilities

The 12Gbps bandwidth allows the drive to handle large sequential data streams efficiently, making it suitable for backup systems, archival storage, and data replication environments. This interface ensures minimal bottlenecks when multiple drives are configured in RAID arrays or storage clusters.

Dual-Port Architecture Benefits

The SAS architecture supports dual-port connectivity, which enhances redundancy and availability. In enterprise systems, this means that if one path fails, the alternate path can maintain data access, reducing downtime and increasing system resilience.

4TB Storage Capacity for Scalable Data Environments

With a storage capacity of 4TB, the HPE 846523-004 is positioned as a high-density solution for organizations managing large datasets. This capacity is particularly beneficial for environments where storage scalability is a priority, such as virtualization clusters, cloud storage nodes, and enterprise backup repositories.

Optimized Storage Density

The drive’s 4TB capacity allows organizations to reduce physical storage footprint while increasing total data retention capabilities. This contributes to improved rack utilization and reduced infrastructure overhead, which is critical in large-scale data centers.

Cost-Efficient Data Expansion

Midline drives like this one provide a cost-effective path for expanding storage systems without requiring significant investment in high-performance SSD solutions. This balance between cost and capacity makes it a preferred choice for archival and secondary storage layers.

7.2K RPM Performance Characteristics and Workload Suitability

The 7,200 RPM rotational speed represents a standard in enterprise midline storage, offering a reliable balance between speed and endurance. While not designed for ultra-low latency transactional workloads, it excels in sequential read/write operations and large file handling scenarios.

Sequential Throughput Optimization

This drive is optimized for workloads that involve continuous data streaming, such as backup processes, media storage systems, and log aggregation servers. The mechanical consistency of the spindle ensures stable throughput over extended usage periods.

Workload Distribution Efficiency

In enterprise environments, workload distribution is crucial for maintaining system stability. The 7.2K RPM performance profile ensures that multiple drives can operate simultaneously within RAID arrays without excessive thermal or performance degradation.

Midline SAS Storage for Enterprise Servers

Midline storage drives are widely deployed in enterprise servers due to their balance between performance and affordability. The HPE 846523-004 is specifically designed to integrate with HPE ProLiant servers and storage arrays, ensuring compatibility and optimized firmware-level communication.

Integration with Server Environments

This drive is engineered for seamless integration into rack-mounted and blade server environments. Its firmware and interface compatibility ensure that it operates efficiently within HPE storage controllers, providing predictable performance metrics and system stability.

Scalability in Multi-Drive Configurations

Enterprise environments often require scaling storage across dozens or even hundreds of drives. The SAS architecture of this drive supports high-density configurations, allowing organizations to expand storage capacity without sacrificing reliability or manageability.

RAID Compatibility and Data Redundancy Support

The HPE 846523-004 is fully compatible with various RAID configurations, including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10. This compatibility is essential for ensuring data redundancy, fault tolerance, and performance optimization in enterprise storage systems.

Fault-Tolerant Storage Architecture

RAID configurations utilizing this drive benefit from improved fault tolerance, allowing systems to continue operating even in the event of a single drive failure. This is critical for mission-critical applications where uptime is essential.

Rebuild Efficiency and Data Recovery

During RAID rebuild processes, the drive maintains stable performance characteristics, ensuring that data reconstruction occurs efficiently without excessive degradation of system responsiveness.

Reliability Engineering and Enterprise Durability Standards

Reliability is a core aspect of enterprise storage design, and this drive is built to meet stringent durability requirements. It is designed for continuous operation in 24/7 environments, ensuring consistent performance over long operational cycles.

Component-Level Engineering

Each component of the drive is engineered to withstand enterprise workloads, including sustained read/write cycles, vibration resistance, and thermal stress management. This ensures long-term operational stability.

Mean Time Between Failures Optimization

Enterprise drives like the HPE 846523-004 are designed with high mean time between failures ratings, reflecting their suitability for critical storage infrastructures where data integrity and uptime are paramount.

Data Integrity and Error Correction Technologies

Data integrity is ensured through advanced error correction mechanisms and SAS-level communication protocols. These technologies help detect and correct potential data inconsistencies before they impact system performance or data reliability.

Sector-Level Protection Mechanisms

The drive employs sector-level error detection systems that continuously monitor data integrity during read and write operations, reducing the risk of silent data corruption.

Enterprise-Grade Firmware Protection

Firmware-level safeguards ensure that operational anomalies are managed effectively, allowing the drive to maintain stable performance even in high-demand environments.

Use Cases in Enterprise Storage Environments

The HPE 846523-004 is widely used in various enterprise applications, including backup storage systems, archival data repositories, cloud infrastructure nodes, and virtualization storage pools. Its versatility makes it suitable for both primary and secondary storage layers.

Backup and Archival Storage Systems

In backup environments, the drive provides reliable long-term storage for critical business data, ensuring that information can be retrieved efficiently when required.

Virtualization Infrastructure Support

Virtualized environments benefit from the drive’s consistent throughput and high capacity, enabling efficient storage pooling and resource allocation across multiple virtual machines.

Comparison with SATA Midline Storage Solutions

Compared to SATA-based midline drives, SAS-based solutions such as the HPE 846523-004 offer superior reliability, dual-port connectivity, and enhanced data integrity features. While SATA drives may offer cost advantages, SAS drives are preferred in enterprise environments where uptime and performance consistency are critical.

Performance and Reliability Differences

SAS drives typically deliver better error handling, improved queue management, and higher sustained workloads compared to SATA equivalents, making them more suitable for enterprise-grade deployments.

Infrastructure Longevity Considerations

Organizations that prioritize long-term infrastructure stability often choose SAS midline drives due to their superior durability and enterprise-level design standards.

Data Center Deployment and Scalability Architecture

In large-scale data centers, the HPE 846523-004 plays a crucial role in building scalable storage architectures. Its compatibility with high-density storage enclosures allows organizations to expand storage capacity efficiently while maintaining operational consistency.

Rack-Level Storage Optimization

Efficient rack utilization is achieved by deploying multiple drives in structured storage arrays, enabling optimized space usage and improved airflow management.

High-Density Storage Expansion

The drive supports large-scale expansion strategies, allowing enterprises to scale storage systems horizontally without redesigning existing infrastructure.

Energy Efficiency and Operational Cost Management

Energy efficiency is an important consideration in enterprise environments, where large numbers of drives operate simultaneously. The HPE 846523-004 is designed to balance performance with power consumption, contributing to reduced operational costs.

Power Optimization in Active and Idle States

The drive manages power usage dynamically depending on workload demands, ensuring energy efficiency during both active processing and idle periods.