400-ATKJ Dell 2TB 7.2K RPM SATA 6GBPS 512N 3.5Inch Internal Hard Drive

Overview of Dell 2TB 7.2K RPM Hard Drive

The Dell 400-ATKJ is a reliable 2TB enterprise-grade hard disk designed for 14th-generation PowerEdge server environments. Built with SATA 6Gb/s connectivity and 7200 RPM rotational speed, it delivers stable performance, efficient data handling, and dependable storage for business-critical applications.

General Information

• Brand: Dell
• Dell Part Number: 400-ATKJ
• Device Type: Internal hard drive 

Technical Specifications

• Storage Capacity: 2TB
• Form Factor: 3.5-inch internal HDD
• Interface Type: SATA 6Gb/s high-speed connection
• Sector Format: 512n native sector technology
• Cache Buffer: 256MB high-performance memory
• Mean Time Between Failures (MTBF): 2 million hours

Performance 

• Spindle Speed: 7200 RPM for consistent throughput
• Average Latency: 4.16 ms for responsive access
• Maximum Sustained Transfer Rate: Up to 215 MB/s
• External Data Transfer Rate: Up to 600 MB/s

Benefits

• 7200 RPM speed ensures steady and reliable data access
• SATA 6Gb/s interface supports efficient bandwidth utilization
• Suitable for general-purpose server workloads and file storage systems

Reliability & Stability

• Engineered for continuous 24/7 enterprise operation
• Durable construction for long-term server deployment
• Optimized for high-density and scalable storage environments

Physical Design

• Standard 3.5-inch internal drive form factor
• Pre-installed tray for simplified installation
• Designed for rack-mounted enterprise 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 2TB 7.2K RPM SATA 6Gbps HDD

The Dell 400-ATKJ 2TB 7.2K RPM SATA 6Gbps 512N 3.5-inch internal hard drive with tray for 14G PowerEdge Server belongs to a high-capacity enterprise storage category designed specifically for scalable server environments, bulk data storage, and cost-efficient infrastructure expansion. This category focuses on delivering large storage capacity combined with dependable performance and seamless compatibility within Dell enterprise server ecosystems, particularly 14th Generation PowerEdge platforms.

Unlike high-performance SAS drives that prioritize extreme speed and low latency, this SATA-based enterprise category is engineered for capacity-driven workloads where storage volume, reliability, and cost efficiency are more important than ultra-low latency performance. The 2TB capacity combined with a 7200 RPM spindle speed makes it a versatile solution for organizations managing large datasets, backups, archives, and general-purpose server storage needs.

Speed:7200 RPM 

The 7200 RPM rotational speed is widely used in enterprise SATA hard drives due to its balance between performance, energy efficiency, and cost-effectiveness. While not as fast as 10K or 15K RPM SAS drives, it provides sufficient performance for sequential workloads and large file storage environments.The Dell 400-ATKJ category is particularly effective in handling sequential read and write operations. This makes it ideal for applications such as file servers, backup repositories, media storage systems, and archival databases where data is accessed in large contiguous blocks.

These drives are designed to maintain consistent performance under sustained workloads, ensuring reliable operation in enterprise environments where uptime and data availability are critical.

Data Transfer Efficiency

The SATA 6Gbps interface provides stable and widely compatible connectivity for enterprise storage systems. It enables efficient data transfer rates suitable for bulk storage applications and ensures compatibility with Dell PowerEdge server infrastructure.

SATA drives are widely supported across multiple server platforms, making them an ideal choice for organizations seeking flexible and scalable storage solutions. The Dell 400-ATKJ integrates seamlessly into Dell 14G PowerEdge servers using included trays for simplified installation.

Native Command Queuing (NCQ) allows the drive to optimize the order of read and write operations, improving efficiency in environments with multiple simultaneous storage requests.

Storage

The 2TB capacity provides a practical balance between storage density and cost efficiency. It enables organizations to store large volumes of data while minimizing the number of physical drives required in server systems.This capacity tier is commonly used in backup systems, archival storage solutions, and secondary data tiers where performance requirements are moderate but storage capacity demands are high.

In tiered storage architectures, 2TB SATA drives are often used for warm or cold data storage, while SSDs or SAS drives handle performance-critical workloads. This improves overall storage efficiency and reduces operational costs.

Data Compatibility

The 512N format ensures compatibility with legacy systems and applications that rely on traditional 512-byte sector structures. This simplifies integration and avoids the need for sector translation layers.By maintaining a native sector format, the drive reduces computational overhead associated with emulation, resulting in improved efficiency and smoother performance.

512N drives allow for easier migration from older storage systems, ensuring compatibility across a wide range of enterprise applications and infrastructures.

Form Factor and Integration

The 3.5-inch form factor is widely used in enterprise SATA storage due to its high capacity potential and cost efficiency. It allows for larger platters and increased data storage density compared to smaller form factors.The included tray ensures compatibility with Dell PowerEdge 14th Generation servers, enabling hot-swappable installation and secure drive mounting within server bays.

The tray system simplifies installation, maintenance, and replacement processes, allowing IT administrators to quickly deploy or replace drives without disrupting system operations.

Hot-Swap Functionality 

Hot-swap capability allows drives to be replaced without shutting down the server, ensuring continuous system availability in enterprise environments.Administrators can add or replace drives dynamically, enabling flexible storage expansion and maintenance without interrupting workloads.Hot-swap functionality reduces maintenance complexity and improves operational efficiency in large-scale data center environments.

Compatibility 

The Dell 400-ATKJ drive is specifically designed for compatibility with Dell 14th Generation PowerEdge servers, ensuring seamless integration with system firmware and storage controllers.

These drives support multiple RAID configurations, including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, providing flexibility in balancing performance, redundancy, and storage efficiency.

Integration with Dell enterprise hardware ensures stable performance and predictable behavior under diverse workloads.

Reliability and Durability

Designed for continuous operation, the Dell 400-ATKJ drives provide reliable performance in always-on enterprise environments.Built-in error correction mechanisms ensure data integrity and reduce the risk of corruption during read and write operations.These drives are engineered to withstand vibration in dense server configurations, ensuring stable operation in multi-drive environments.

Scalability and Data Center Optimization

Organizations can scale storage infrastructure efficiently by adding additional drives as data requirements grow.Workloads can be distributed across multiple drives to improve performance and reduce wear on individual components.These drives are commonly used in tiered storage systems as capacity-focused layers within hybrid infrastructures.