400-BLKU Dell 18TB 7.2K RPM SATA 6GBPS 512MB Buffer 512e 3.5" Hot Plug HDD

Overview of Dell 400-BLKU 18TB SATA 6Gbps 7.2K Hard Drive 

The Dell 400-BLKU 18TB hard disk drive is a high-capacity storage solution engineered for enterprise-grade workloads and scalable server environments. Designed with reliability and efficiency in mind, this 3.5-inch SATA drive delivers optimal performance for data-intensive applications such as backup systems, virtualization, cloud storage, and large-scale data centers. With a robust build and hot-plug capability, it ensures seamless integration into compatible server systems without downtime.

General Information

• Brand: Dell 
• Part Number: 400-BLKU
• Device Type: Hard Disk Drive 

Technical Specifications

• Spindle Speed: 7,200 RPM
• Storage Capacity: 18TB
• Average Latency: 4.16 ms
• Interface Type: SATA 6Gbps
• Ports: 1 x SATA
• Sustained Transfer Rate: Up to 261 MB/s
• Cache Size: 256MB
• Compatible Bay: 3.5-inch hot-swap slot

Compatibility with Dell PowerEdge Servers

Supported Server Models

• PowerEdge C6420
• PowerEdge R340
• PowerEdge R350
• PowerEdge R440
• PowerEdge R540
• PowerEdge R640
• PowerEdge T350
• PowerEdge T550

The Dell 400-BLKU 18TB 7.2K RPM SATA 6GBPS Hard Drive

The Dell 400-BLKU 18TB 7.2K RPM SATA 6Gbps 512MB Buffer 512e 3.5-inch hot-plug hard drive represents a crucial segment within the enterprise storage ecosystem, particularly for businesses requiring high-capacity, cost-efficient, and reliable data storage solutions. This category focuses on large-capacity nearline storage drives designed for data centers, enterprise servers, and cloud infrastructure where performance consistency, scalability, and durability are essential. The 18TB capacity positions this model as an ideal solution for organizations dealing with exponential data growth, including industries such as big data analytics, video surveillance, cloud computing, and backup archiving.

Enterprise-Class Storage Architecture

Drives within this category are engineered with enterprise-grade architecture to ensure reliability under continuous workloads. The Dell 400-BLKU operates at 7,200 RPM, offering a balance between high storage capacity and energy efficiency. Unlike consumer-grade drives, enterprise-class HDDs are designed to run 24/7 in mission-critical environments, ensuring data availability and consistent performance even under heavy workloads. This category emphasizes robust firmware optimization, vibration tolerance, and advanced error correction technologies, which are essential for maintaining system stability in multi-drive server configurations.

Workload Handling Capabilities

The category is defined by drives capable of handling high annualized workload rates, often exceeding 550TB per year. This makes them suitable for environments where data is frequently accessed, written, and transferred. The Dell 400-BLKU exemplifies this capability, ensuring that performance remains stable even in data-intensive operations such as database management and virtualization workloads.

18TB High-Capacity Storage

The 18TB capacity is a defining characteristic of this category, offering immense storage space for enterprises facing growing data demands. Organizations today require scalable solutions that can accommodate large volumes of structured and unstructured data without compromising performance. This category addresses these requirements by delivering high-density storage in a compact 3.5-inch form factor, allowing businesses to maximize storage within limited rack space.

SATA 6Gbps Interface and Performance

The SATA 6Gbps interface is a fundamental feature of this category, providing reliable data transfer speeds suitable for nearline storage applications. While not as fast as SAS interfaces, SATA drives offer a cost-effective solution for high-capacity storage needs, making them ideal for archival storage, backup systems, and large-scale data repositories.

Optimized Data Transfer Speeds

The 6Gbps interface ensures consistent data transfer performance, supporting a wide range of enterprise applications. This category prioritizes steady throughput over extreme speed, making it suitable for workloads that require large data storage rather than high-frequency data access. The Dell 400-BLKU delivers reliable performance for sequential read/write operations, which are common in backup and archival scenarios.

512MB Buffer

The inclusion of a 512MB buffer significantly enhances the performance of drives within this category. Cache memory plays a vital role in improving data access speeds by temporarily storing frequently accessed data, reducing latency and improving overall system responsiveness.

512e Format and Data Compatibility

The 512e (512-byte emulation) format is a critical feature in this category, ensuring compatibility with legacy systems while benefiting from advanced storage technologies. This format bridges the gap between traditional 512-byte sector systems and modern 4K sector architectures.

3.5-Inch Form Factor and Hot-Plug Capability

The 3.5-inch form factor is standard in enterprise storage environments, offering high capacity and efficient cooling. This category emphasizes compatibility with a wide range of server and storage systems, ensuring easy integration into existing infrastructure.

Backup and Archival Storage

Backup and archival systems require reliable and cost-effective storage solutions. The Dell 400-BLKU excels in these applications, providing ample space for long-term data retention while ensuring data integrity.

Compatibility with Enterprise Systems

The Dell 400-BLKU is designed to integrate seamlessly with a wide range of enterprise systems, including servers, storage arrays, and network-attached storage solutions. This category emphasizes compatibility and ease of deployment, ensuring that businesses can implement storage solutions without complex configurations.