400-AZXL Dell 8TB 8TB SAS-12GBPS HDD 7.2K RPM Dell

Dell 400-AZXL SAS 12Gbps 8TB LFF HDD Overview

The Dell 400-AZXL is a high-performance enterprise-grade storage solution designed for scalable data environments. Built for reliability and speed, this 8TB SAS hard disk drive supports demanding workloads in data centers, storage arrays, and enterprise backup systems. With a 12Gbps SAS interface and optimized 7200 RPM spindle speed, it delivers consistent throughput for mission-critical applications.

General Information

• Manufacturer: Dell
• Part Number: 400-AZXL
• Product Type: Hard Disk Drive (HDD)

Technical Specifications

• Storage Capacity: 8TB
• Sector Format: 512e (512-byte emulation)
• Drive Type: Enterprise SATA/SAS hybrid architecture compatibility

Interface and Connectivity

• Interface: SAS 12Gbps
• External Transfer Rate: Up to 1200 Mbps
• Connection Type: 1 x SAS port

Performance Characteristics

• Spindle Speed: 7200 RPM
• Optimized for sequential and random workloads
• Stable performance under heavy read/write operations

Reliable High-Speed Processing

• Consistent throughput for large datasets
• Reduced latency in storage operations
• Optimized for multi-user environments

Expansion and Connectivity Options

• Hot-plug support: Yes
• Drive bay compatibility: 3.5-inch LFF
• Seamless integration with storage arrays

Single-Port SAS Design

• 1 x Serial Attached SCSI (SAS) port
• Optimized for redundancy and scalability

3.5-Inch Large Form Factor (LFF)

• Drive Size: 3.5 inch
• Enterprise rack and storage array compatibility

Compatibility and Supported Systems

• Dell PowerVault ME4084
• Dell PowerVault ME484

Dell 400-AZXL SAS-12Gbps 512e LFF 7.2K RPM Hard Disk Drive 

The Dell 400-AZXL SAS-12Gbps 512e LFF 7.2K RPM Hard Drive is engineered to serve as a reliable backbone for enterprise-grade storage arrays where capacity, stability, and predictable performance are essential. Designed with a Large Form Factor (LFF) architecture, this drive supports high-density storage configurations commonly deployed in data centers, cloud infrastructures, and enterprise backup systems. Its integration into storage arrays allows organizations to scale storage resources efficiently without compromising operational consistency.

Built for sustained workloads, this drive aligns with environments where continuous data access, redundancy, and fault tolerance are required. The SAS 12Gbps interface ensures fast and stable communication between the storage controller and the drive, reducing bottlenecks in data-heavy operations. The 512e sector format further enhances compatibility with modern systems while maintaining legacy support, ensuring seamless deployment across varied enterprise infrastructures.

Enterprise Communication Efficiency

The Serial Attached SCSI (SAS) 12Gbps interface is a key differentiator of the Dell 400-AZXL drive, providing robust throughput suitable for mission-critical applications. This interface supports full-duplex communication, enabling simultaneous read and write operations without performance degradation. In storage arrays where multiple drives operate concurrently, SAS ensures consistent bandwidth distribution and minimized latency.

Unlike consumer-grade interfaces, SAS is designed for enterprise workloads, offering enhanced error detection, dual-port connectivity, and improved scalability. These characteristics make the Dell 400-AZXL particularly suitable for RAID configurations, high-availability clusters, and distributed storage systems where uptime and data integrity are critical.

Data Alignment and System Optimization

The 512e (512-byte emulation) sector format used in the Dell 400-AZXL hard drive allows it to emulate traditional 512-byte sectors while physically utilizing advanced 4K sector technology internally. This hybrid structure ensures compatibility with legacy applications and operating systems while still benefiting from modern storage efficiencies.

Enterprise environments often require interoperability between old and new systems. The 512e format ensures smooth data migration, reduced compatibility issues, and optimized storage efficiency. It also contributes to improved error correction capabilities and better data integrity management in large-scale storage deployments.

Efficient Throughput for Large Data Volumes

Operating at 7,200 revolutions per minute (RPM), the Dell 400-AZXL hard drive strikes a balance between performance and energy efficiency. While not as fast as higher-RPM drives, its design prioritizes sustained throughput over burst speed, making it ideal for sequential read/write operations commonly found in storage arrays.

This rotational speed ensures consistent performance under continuous workloads such as data backup, archival storage, virtualization support, and cloud storage services. The drive’s architecture is optimized to handle multiple simultaneous requests without significant performance degradation, making it highly suitable for enterprise environments where predictability is more valuable than peak speed.

Thermal Stability and Power Efficiency

The Dell 400-AZXL is engineered with power efficiency in mind, reducing overall energy consumption in large-scale deployments. Data centers often contain hundreds or thousands of drives, making power efficiency a critical factor in operational cost management. The 7.2K RPM design helps minimize heat output, reducing cooling requirements and improving long-term system stability.

Thermal control mechanisms within enterprise storage systems benefit from the drive’s balanced performance profile. Lower heat generation contributes to improved hardware longevity, reduced failure rates, and enhanced reliability across clustered storage environments.

Data Center Storage Arrays and Cloud Infrastructure

The Dell 400-AZXL hard drive is widely used in cloud storage infrastructures where large-scale data retention and retrieval are essential. Its LFF design allows for high-capacity storage arrays that can be expanded horizontally, supporting cloud service providers in managing growing data demands.

Storage arrays built with these drives benefit from improved redundancy and fault tolerance, ensuring continuous data availability even during hardware failures. This makes them suitable for private cloud, hybrid cloud, and enterprise virtualization environments.

Reliable Cold and Warm Storage Solutions

In backup and archival systems, the Dell 400-AZXL provides a dependable solution for long-term data preservation. Its capacity and stability make it ideal for storing large datasets that do not require frequent access but must remain secure and intact over extended periods.

Organizations utilize these drives in disaster recovery systems where data integrity is critical. The SAS interface ensures reliable transfer during backup operations, while the drive’s mechanical stability supports continuous archival processes.

Fault Tolerance and Redundancy Support

The Dell 400-AZXL is optimized for RAID-based storage systems, where multiple drives work together to enhance performance and data protection. RAID configurations such as RAID 5, RAID 6, and RAID 10 benefit from the drive’s consistent performance and predictable latency.

In RAID arrays, the drive contributes to redundancy and fault tolerance, ensuring that data remains accessible even in the event of individual drive failure. This makes it a reliable choice for enterprise storage systems requiring high availability and data security.