400-BKZU Dell EMC 18TB 7.2K RPM SAS 12GBPS Hard Drive

Dell 400-BKZU 18TB SAS Drive

The Dell 400-BKZU 18TB 7.2K RPM SAS 12Gbps 512e 3.5-inch Hot-Plug Hard Drive with tray is designed for enterprise-class storage. Offering vast capacity, dependable performance, and seamless integration with Dell PowerEdge servers, this drive is ideal for businesses requiring scalable and efficient data solutions.

General Information

• Brand Name: Dell
• Part Number: 400-BKZU
• Device Type: Internal Hard Disk Drive with Tray

Technical Specifications

• Storage Capacity: 18TB
• Form Factor: 3.5-inch
• Interface: SAS-12Gbps
• Cache Memory: 512MB
• Sector Size: 512e

Performance Metrics

• Spindle Speed: 7200 RPM
• Average Latency: 4.16 ms
• Interface Transfer Rate: 1200 Mbps
• Sustained Transfer Rate: 257 Mbps
• Buffer Size: 512MB

Connectivity & Expansion

Interface Options

• 1 x SAS 12Gbps port

Bay Compatibility

• Hot-swap 3.5-inch bay support

Server Compatibility

Supported Dell PowerEdge Models

C-Series Servers

• PowerEdge C6420

R-Series Servers

Entry-Level & Mid-Range

• PowerEdge R240
• PowerEdge R340
• PowerEdge R440
• PowerEdge R540

High-Performance Models

• PowerEdge R640
• PowerEdge R6415
• PowerEdge R740
• PowerEdge R740xd
• PowerEdge R740xd2
• PowerEdge R7415
• PowerEdge R7425

Dell 400-BKZU 18TB 7200RPM SAS 12GBPS Hard Drive Overview

Enterprise storage infrastructure continues to evolve rapidly as organizations generate and retain unprecedented volumes of structured and unstructured data. The Dell 400-BKZU 18TB Near Line SAS hard drive represents a critical component within modern storage ecosystems, designed to meet the growing demands of data-intensive applications, cloud computing, backup repositories, and large-scale data centers. This category of high-capacity nearline hard drives is engineered to bridge the gap between performance-oriented drives and cost-effective archival storage, offering an optimal balance between speed, reliability, and storage density.

Nearline SAS drives, such as the Dell 400-BKZU, are purpose-built for environments where large volumes of data must be accessed regularly but do not require the ultra-low latency of SSDs. These drives are commonly deployed in enterprise servers, network-attached storage systems, and storage area networks, where scalability and consistent performance are essential. The integration of a 12Gbps SAS interface further enhances data transfer capabilities, ensuring that businesses can efficiently handle demanding workloads.

High-Capacity Storage Architecture for Data-Driven Environments

The 18TB storage capacity of the Dell 400-BKZU hard drive reflects the increasing need for scalable storage solutions in enterprise environments. Organizations across industries rely on high-capacity drives to manage large datasets, including analytics platforms, multimedia archives, surveillance systems, and virtualization environments. This category of hard drives is designed to maximize storage density while maintaining consistent performance and durability.

With a 3.5-inch form factor, the drive fits seamlessly into standard enterprise server bays and storage enclosures. This compatibility ensures that businesses can expand their storage infrastructure without requiring extensive hardware modifications. The hot-plug capability further enhances operational efficiency by allowing administrators to replace or upgrade drives without shutting down systems, minimizing downtime and maintaining business continuity.

Optimized Rotational Speed for Balanced Performance

Operating at 7200RPM, the Dell 400-BKZU drive delivers a balanced approach to performance and power efficiency. This rotational speed is ideal for nearline applications, providing faster data access compared to lower RPM drives while consuming less power than high-performance 10K or 15K RPM drives. The result is a storage solution that supports continuous operation in enterprise environments without significantly increasing energy consumption or thermal output.

The 7200RPM speed ensures consistent read and write operations, making the drive suitable for workloads such as data backup, file sharing, and content delivery. It also supports moderate transactional workloads, making it a versatile option for organizations seeking reliable and cost-effective storage solutions.

Advanced Buffer Technology for Enhanced Data Throughput

The inclusion of a 512MB buffer significantly improves the overall performance of the Dell 400-BKZU hard drive. This large cache memory enables the drive to temporarily store frequently accessed data, reducing latency and improving data transfer rates. In enterprise environments where multiple users and applications access storage simultaneously, the buffer plays a critical role in maintaining consistent performance.

The advanced caching mechanism enhances read and write efficiency, particularly in scenarios involving large sequential data transfers. This capability is essential for applications such as video streaming, data replication, and backup operations, where high throughput is required to maintain optimal system performance.

Interface Technology and SAS-12Gbps Advantages

The SAS-12Gbps interface represents a significant advancement in enterprise storage connectivity. Compared to previous generations, this interface doubles the data transfer rate, enabling faster communication between the drive and the host system. The Dell 400-BKZU leverages this technology to deliver improved performance and scalability in demanding environments.

SAS technology is widely recognized for its reliability, scalability, and dual-port capability. These features make it an ideal choice for enterprise applications that require high availability and fault tolerance. The dual-port design allows for redundant data paths, ensuring continuous access to data even in the event of a hardware failure.

Enhanced Reliability with Enterprise-Grade Design

Reliability is a defining characteristic of enterprise hard drives, and the Dell 400-BKZU is no exception. This category of drives is engineered to withstand continuous operation in data center environments, where uptime and data integrity are critical. The use of high-quality components and rigorous testing processes ensures that the drive can handle demanding workloads without compromising performance.

The implementation of error correction technologies and advanced firmware further enhances data integrity. These features help detect and correct errors during data transmission, reducing the risk of data loss and ensuring consistent performance over time. This level of reliability is essential for organizations that rely on accurate and accessible data for their operations.

512e Sector Format and Its Impact on Compatibility

The Dell 400-BKZU hard drive utilizes a 512e sector format, which provides compatibility with legacy systems while benefiting from the efficiency of advanced format technology. This approach ensures that organizations can integrate the drive into existing infrastructure without encountering compatibility issues.

The 512e format allows for improved storage efficiency and error correction capabilities, contributing to better overall performance. It also supports seamless migration from older storage systems, making it an ideal choice for businesses upgrading their storage infrastructure.

Hot-Plug Capability and Operational Efficiency

One of the key features of the Dell 400-BKZU hard drive is its hot-plug capability. This functionality allows administrators to replace or add drives without shutting down the system, significantly reducing downtime and improving operational efficiency. In mission-critical environments, this feature is essential for maintaining continuous service availability.

Hot-plug support simplifies maintenance and upgrades, enabling organizations to scale their storage infrastructure with minimal disruption. It also enhances system reliability by allowing quick replacement of faulty drives, ensuring that data remains accessible at all times.

Use Cases Across Industry Verticals

Data Centers and Cloud Infrastructure

In data centers and cloud environments, the Dell 400-BKZU hard drive plays a vital role in managing large volumes of data. Its high capacity and reliable performance make it suitable for storing virtual machine images, application data, and backup files. The SAS interface ensures fast data access, supporting the dynamic needs of cloud-based applications.

Backup and Archival Storage Solutions

Backup and archival systems require storage solutions that can handle large datasets while maintaining data integrity over time. The Dell 400-BKZU hard drive meets these requirements by providing ample storage capacity and robust reliability features. Its nearline design ensures that data can be accessed quickly when needed, making it ideal for disaster recovery and long-term storage.

Surveillance and Security Systems

Surveillance systems require continuous data recording and storage, making reliability and capacity critical factors. The Dell 400-BKZU hard drive is well-suited for these applications, providing the necessary storage space for high-definition video recordings. Its durability ensures consistent performance in environments where drives operate around the clock.

Energy Efficiency and Thermal Management

Energy efficiency is an important consideration in modern data centers, where power consumption directly impacts operational costs. The Dell 400-BKZU hard drive is designed to deliver optimal performance while minimizing energy usage. Its 7200RPM speed and advanced design contribute to reduced power consumption compared to higher-speed drives.

Effective thermal management is also essential for maintaining drive performance and longevity. The drive’s design ensures efficient heat dissipation, preventing overheating and reducing the risk of hardware failure. This capability is particularly important in densely packed server environments.

Integration with Enterprise Storage Systems

The Dell 400-BKZU hard drive is compatible with a wide range of enterprise storage systems, including servers, RAID arrays, and storage enclosures. Its standardized form factor and interface make it easy to integrate into existing infrastructure, reducing deployment time and complexity.

The drive’s compatibility with RAID configurations further enhances data protection and performance. By combining multiple drives in a RAID array, organizations can achieve improved redundancy and faster data access, ensuring reliable and efficient storage operations.