NT45N Dell 20TB 7.2K RPM SAS-12GBPS Server Hot Plug LFF ISE HDD

Overview of Dell NT45N HDD

The Dell NT45N is a high-capacity enterprise-grade hard disk drive designed for demanding server environments. Combining large storage space with reliable performance, this hot-pluggable 3.5-inch drive is ideal for data-intensive applications.

Product Information

• Brand: Dell
• Model Number: NT45N
• Product Type: Hard Disk Drive 

Technical Specifications

• Storage Capacity: 20TB
• Form Factor: 3.5-inch LFF (Large Form Factor)
• Interface: SAS 12Gbps
• Advanced Features: 512e sector formatting
• Spindle Speed: 7,200 RPM for consistent performance

Performance Highlights

• Rotational Speed: 7,200 revolutions per minute
• Data Transfer Rate: Up to 1,200 MB/s external throughput

Connectivity and Expandability

• Interface: Single SAS 12Gbps connection
• Compatible Bays: 1 x 3.5-inch hot-pluggable slot

Features

• Supports seamless integration with Dell management tools
• Durable construction for long-term operation
• Energy-efficient design to lower operational costs

Server and Storage Compatibility

• PowerEdge R240, R250, R340, R350
• PowerEdge R440, R450, R540, R550
• PowerEdge R640, R650, R650xs, R6515, R6525
• PowerEdge R660, R740, R740xd, R740xd2
• PowerEdge R750, R750xs, R7515, R7525, R760
• PowerEdge T350, T560
• PowerVault MD2412

Details of Dell NT45N 20TB 7.2K RPM HDD

The Dell NT45N 20TB 7.2K RPM SAS-12Gbps ISE 512E Large Form Factor (LFF) Hot-Plug Hard Disk Drive with Tray represents a high-capacity, enterprise-class storage solution designed for modern Dell PowerEdge servers. Engineered to deliver large-scale storage with exceptional reliability, this drive combines a 20TB capacity, 7,200 RPM rotational speed, and a 12Gbps SAS interface to provide efficient and robust performance. Ideal for data-intensive workloads such as archival storage, media repositories, large database applications, and virtualization environments, the NT45N offers the perfect balance between high capacity, performance, and operational efficiency.

High-Capacity Storage

With an impressive 20TB capacity, the Dell NT45N allows enterprises to consolidate massive amounts of data onto fewer drives, reducing physical infrastructure requirements while maintaining high storage availability. This capacity is particularly advantageous for organizations managing large datasets, from data warehouses and video archives to analytics platforms and virtualized environments. By providing substantial storage in a single drive, the NT45N enables streamlined data management, simplified backup processes, and enhanced scalability for growing storage demands.

7.2K RPM Rotational Speed 

The NT45N operates at a rotational speed of 7,200 RPM, striking an optimal balance between performance and energy efficiency. While not as high-speed as 10K or 15K RPM drives, the 7.2K RPM design provides stable and consistent read/write performance for large sequential workloads. This rotational speed is well-suited for high-capacity storage tasks where reliability and efficiency are prioritized over ultra-low latency. Workloads such as cloud storage, file servers, and backup repositories benefit from the drive’s ability to maintain steady throughput while consuming less power than higher-speed alternatives.

512E Sector Formatting and SAS Interface

The 512E sector format ensures compatibility with a wide range of enterprise operating systems and storage applications while optimizing block alignment for modern workloads. Combined with the 12Gbps SAS interface, the NT45N delivers high-speed data transfers, making it suitable for both sequential and moderate random I/O operations. The SAS interface also supports dual-port connectivity, enabling high availability configurations and redundancy for mission-critical applications. This combination of sector formatting and enterprise SAS technology ensures the NT45N meets the rigorous requirements of modern data centers.

ISE Technology for Improved Data Reliability

Integrated Self-Encrypting (ISE) technology enhances the security of stored data by automatically encrypting all information written to the drive. This encryption capability protects sensitive enterprise data from unauthorized access, even in the event of drive removal or decommissioning. ISE compliance simplifies regulatory adherence and provides organizations with a secure, reliable storage solution. Enterprises handling confidential financial records, healthcare information, or intellectual property benefit from this integrated data protection feature without sacrificing performance.

Hot-Plug Capability

The NT45N includes hot-plug functionality facilitated by its compatible tray, allowing IT administrators to replace, upgrade, or service drives without powering down the server. This hot-plug capability is essential in enterprise environments where continuous uptime is critical, such as financial institutions, cloud hosting platforms, and mission-critical applications. By supporting maintenance operations without disrupting workflows, the drive reduces operational risk and enhances the resilience of server infrastructure.

Large Form Factor Design 

The NT45N’s 3.5-inch LFF design provides an ideal solution for servers and storage arrays that require high-capacity drives in fewer slots. This form factor supports dense storage configurations, allowing organizations to achieve maximum capacity while optimizing physical server rack space. Despite its large size, the drive maintains efficient power usage and thermal management, ensuring that it operates reliably within high-density data center environments. The tray system facilitates simple installation, secure mounting, and easy replacement during maintenance operations.

Reliability and Durability

Reliability is critical in enterprise storage, and the Dell NT45N is engineered to withstand the rigors of continuous operation in demanding environments. Enterprise-grade components, rigorous quality assurance testing, and sophisticated firmware combine to deliver consistent performance under sustained workloads. Predictive failure analysis and self-monitoring tools integrated with Dell OpenManage allow IT administrators to proactively detect and address potential issues, ensuring uninterrupted access to vital enterprise data.

Compatibility with RAID and Data Protection Systems

The NT45N is fully compatible with a wide range of RAID configurations, allowing enterprises to implement redundancy and enhance data protection. Supported RAID levels such as RAID 1, RAID 5, RAID 6, and RAID 10 enable fault-tolerant storage setups capable of surviving drive failures while maintaining data accessibility. The combination of high-capacity storage, SAS interface, and RAID compatibility ensures businesses can implement large-scale, resilient storage arrays optimized for both performance and redundancy. This capability is crucial for organizations that require uninterrupted access to critical applications and databases.

Security Features

ISE technology integrated into the NT45N provides hardware-based encryption for all stored data, safeguarding sensitive information against unauthorized access or physical theft. This feature is particularly valuable for organizations managing regulated data, including financial records, healthcare information, and intellectual property. The encryption process is transparent to system operations, allowing secure data handling without impacting performance. By combining high-capacity storage with enterprise-grade security, the