400-ATIR Dell 900GB 15K SAS 12GBPS Hot Plug Hard Drive With Hybrid Tray

Overview of Dell 15K RPM SAS 12Gb/s Hard Drive 

The Dell 400-ATIR 900GB hard disk drive is built for high-demand server environments where speed, efficiency, and uptime are critical. Featuring a 15K RPM spindle and SAS 12Gb/s interface, this enterprise-grade drive delivers rapid data processing and dependable performance for transactional and database-driven workloads.

Product Identification

• Brand: Dell
• Dell Part Number: 400-ATIR
• Device Type: Hard drive 

Technical Specifications

• Capacity: 900GB
• Drive Form Factor: 2.5-inch (mounted in 3.5-inch hybrid carrier)
• Interface Type: SAS 12Gb/s high-speed connection
• Sector Format: Advanced Format 512n

Performance

• Spindle Speed: 15,000 RPM for accelerated data access
• External Data Transfer Rate: Up to 1200 Mbps
• Optimized for high IOPS and low latency operations

Key Advantages

• High rotational speed improves read/write performance
• SAS interface ensures stable and high-bandwidth data transfer
• Ideal for databases, virtualization, and enterprise applications

Flexibility & Reliability

• Hybrid tray design allows compatibility with 3.5-inch bays
• Hot-plug capability minimizes downtime during maintenance
• Engineered for continuous 24/7 enterprise workloads

Physical Design

• Drive Size: 2.5-inch disk in 3.5-inch hybrid carrier
• Pre-configured tray for quick installation
• Optimized for rack-mounted and high-density server systems

Compatible HPE 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 Dell SAS 12Gbps 15K RPM Hard Drive 

The Dell 400-ATIR 900GB 15K RPM SAS 12Gbps 512N Hot Plug Hard Drive with Hybrid Tray for Server belongs to a high-performance enterprise storage category specifically designed for data-intensive workloads and mission-critical environments. This category focuses on delivering exceptional speed, reliability, and seamless integration into modern server infrastructures. With a 15,000 RPM spindle speed and SAS 12Gbps interface, these drives are engineered to handle demanding applications where latency, throughput, and consistent performance are crucial.

The 900GB capacity offers a strategic balance between storage density and performance optimization. Unlike higher-capacity drives that prioritize bulk storage, this category is tailored for performance tiers within enterprise storage architectures. It is commonly deployed in environments where rapid data access, high transaction rates, and low latency are essential, such as database servers, virtualization clusters, and high-frequency processing systems.

Speed: 15K RPM

The 15K RPM rotational speed significantly reduces data access times compared to 10K or 7.2K RPM drives. This high-speed operation enables faster seek times and lower latency, making it ideal for applications that require rapid data retrieval and real-time responsiveness. The result is improved system performance and increased efficiency in handling intensive workloads.Input/output operations per second are a critical metric for enterprise storage systems. The Dell 400-ATIR category excels in delivering high IOPS, allowing it to efficiently manage multiple simultaneous read and write operations. This capability is particularly beneficial for transactional databases, virtualization environments, and enterprise applications that demand consistent performance under heavy workloads.

Enterprise-grade 15K RPM drives are designed to maintain stable performance even during peak usage. This consistency ensures predictable system behavior, which is essential for maintaining service-level agreements and minimizing performance fluctuations in critical environments.

Interface and Data Transfer Efficiency

The SAS 12Gbps interface provides a high-speed data transfer channel between the hard drive and the server. This increased bandwidth reduces bottlenecks and enhances overall system efficiency, especially in multi-drive configurations where aggregated throughput is a key factor.

SAS drives support dual-port connectivity, enabling connections to multiple controllers or data paths. This redundancy ensures continuous data availability and enhances fault tolerance, making the Dell 400-ATIR category suitable for high-availability storage systems.

Data Compatibility

The 512N (512 Native) sector format ensures compatibility with legacy systems and applications that require traditional 512-byte sector sizes. This eliminates the need for translation layers and simplifies integration into existing infrastructure.By maintaining native sector formatting, the drive avoids additional processing overhead associated with emulation. This contributes to improved performance and reduced latency in data operations.

Organizations transitioning from older storage systems benefit from the compatibility offered by 512N drives, enabling smoother migration and minimizing potential compatibility issues.

Hot Plug Capability

The hot plug feature allows administrators to replace or add drives without shutting down the server. This capability is essential for maintaining continuous operations and minimizing downtime in enterprise environments.The inclusion of a hybrid tray ensures compatibility with a wide range of Dell server configurations. The tray design simplifies installation and ensures secure placement within the drive bay, enhancing operational efficiency.

Hot plug functionality combined with a pre-configured hybrid tray reduces the complexity of maintenance tasks, enabling faster drive replacement and minimizing service interruptions.

Form Factor Design Advantages

The 2.5-inch small form factor design allows for higher drive density within server chassis. This is particularly beneficial in data centers where maximizing storage capacity per rack unit is critical.Smaller drives generate less heat and allow for better airflow within server enclosures. This contributes to more efficient cooling and enhances overall system reliability.

Despite the high rotational speed, the efficient design of the Dell 400-ATIR drives ensures optimal performance per watt, helping organizations manage energy consumption in large-scale deployments.

Compatibility 

The Dell 400-ATIR hard drive is designed for seamless integration with Dell PowerEdge servers, ensuring compatibility with backplanes, RAID controllers, and firmware.These drives are commonly deployed in RAID configurations to enhance performance and provide data redundancy. RAID 10 is often used for high-performance applications, while RAID 5 and RAID 6 offer balanced solutions for capacity and fault tolerance.

When paired with enterprise RAID controllers, the drives benefit from advanced features such as caching, data protection, and performance tuning, further enhancing system efficiency.

Reliability and Durability

Enterprise SAS drives are built to operate continuously in demanding environments. The Dell 400-ATIR series is designed for reliable performance over extended periods.These drives incorporate sophisticated error detection and correction mechanisms to maintain data integrity and prevent data loss.The drives are engineered to withstand vibration and shock in multi-drive systems, ensuring stable operation in dense storage arrays.

Scalability and Data Center Optimization

The compact design and high performance of the Dell 400-ATIR drives enable organizations to scale their storage infrastructure efficiently.In multi-drive configurations, workloads can be distributed across drives to improve performance and reduce wear on individual components.These drives are often used in tiered storage architectures, serving as a performance tier between high-speed SSDs and high-capacity HDDs.