400-AZWS Dell 8TB 7.2K RPM SAS-12GBPS 512E 3.5Inch HDD

Dell 8TB SAS 12GBPS 512E 3.5 Inch HDD

The Dell 400-AZWS 8TB 7.2K RPM SAS hard disk drive is a reliable, high-capacity storage solution designed for enterprise servers and data centers. Built for performance and durability, this 3.5-inch drive delivers consistent data transfer speeds and seamless integration with Dell PowerEdge and PowerVault systems.

Manufacturer Details

• Brand: Dell
• Model Number: 400-AZWS
• Device Type: Internal Hard Disk Drive

Technical Specifications

• Storage Capacity: 8 Terabytes
• Interface Type: Serial Attached SCSI (SAS) 12Gbps
• Bytes per Sector: 512e
• Form Factor: 3.5-inch

Optimized for Enterprise

• Spindle Speed: 7200 RPM
• External Transfer Rate: Up to 1200 Mbps

Connectivity and Expansion

• Interface: 1 x SAS 12Gbps
• Drive Bays: 1 x 3.5-inch hot-plug compatible slot

Compatibility

Entry to Mid-Level Towers

• T20, T100, T105, T110 (Gen I & II)
• T300, T310, T320, T330

Advanced Tower Servers

• T410, T420, T430, T440
• T605, T610, T620, T630, T640, T710

Dell PowerEdge R-Series Support

Rack Server Compatibility

• R210 (Gen I & II), R220, R230
• R300, R310, R320, R330
• R410, R415, R420, R430
• R510, R520, R530, R530XD

High-Performance Rack Systems

• R630, R710, R715, R720, R720XD
• R730, R730XD, R900, R905
• R920, R930

Dell PowerEdge C-Series

• C1100, C2100, C6100, C6220

Dell PowerEdge M-Series Blade Servers

• M420, M510, M520
• M610x, M630, M710HD
• M830, M915

Dell PowerVault M-Series Storage Arrays

Supported Models

• M1000e, MD1120, MD1200, MD1220
• MD3000i, MD3060e, MD3200, MD3200i
• MD3220, MD3220i, MD3400, MD3420
• MD3460, MD3600f, MD3600i, MD3620f
• MD3660f, MD3800f, MD3800i, MD3820f, MD3860i

Dell 400-AZWS 8TB 7.2K RPM 512E Hard Disk Drive Overview

The Dell 400-AZWS 8TB 7.2K RPM SAS 12Gbps 512E 3.5-inch hard disk drive represents a critical component within enterprise-grade storage infrastructure, specifically engineered to meet the demands of modern server environments. Designed with durability, performance, and scalability in mind, this category of hard drives plays a vital role in ensuring consistent data availability and operational efficiency across data centers, cloud environments, and enterprise IT systems. As organizations continue to generate and process massive volumes of data, high-capacity drives such as this become indispensable in balancing storage expansion with reliable performance.

Enterprise-Class Storage Architecture and Design

This category of server hard drives is built on enterprise-grade architecture, distinguishing it from consumer-level storage devices. The Dell 400-AZWS 8TB drive utilizes a 3.5-inch form factor, which remains the standard for high-capacity storage deployments due to its optimized balance between storage density and thermal management. The internal construction of the drive incorporates advanced mechanical engineering techniques that ensure stability during continuous operation, often required in 24/7 server environments.

The SAS interface, operating at 12Gbps, is a defining feature of this category. Serial Attached SCSI technology provides significant advantages over SATA-based drives, including higher data transfer speeds, improved error detection, and enhanced command queuing capabilities. These attributes collectively contribute to improved system responsiveness, especially in environments where multiple users or applications access data simultaneously.

Importance of 512E Sector Format

The 512E, or 512-byte emulation format, is an essential aspect of compatibility and performance optimization. While modern drives use 4K native sectors internally, the 512E format allows seamless integration with legacy systems that still operate using 512-byte sector logic. This backward compatibility ensures that organizations can upgrade storage infrastructure without requiring extensive modifications to existing systems or applications.

By bridging the gap between modern storage technology and older system requirements, 512E drives like the Dell 400-AZWS provide flexibility and ease of deployment. This makes them especially valuable in mixed IT environments where both new and legacy hardware coexist.

Key Characteristics in Server Workloads

The 7.2K RPM rotational speed of this drive positions it as an ideal solution for high-capacity storage applications where consistent throughput is more critical than ultra-low latency. While solid-state drives dominate performance-intensive applications, traditional hard drives continue to excel in scenarios that demand cost-effective bulk storage with dependable read and write performance.

Server workloads such as file storage, backup operations, archival systems, and large-scale data repositories benefit greatly from the capabilities of this category. The combination of high capacity and stable rotational speed ensures that large volumes of data can be accessed efficiently without excessive energy consumption or thermal output.

Data Transfer Efficiency with SAS 12Gbps

The 12Gbps SAS interface enables rapid data transfer rates, significantly improving overall system performance. Compared to earlier SAS generations, this enhanced bandwidth reduces bottlenecks in data-intensive applications. It also supports dual-port connectivity, which enhances redundancy and ensures continuous operation in case of path failure.

In enterprise storage arrays, this capability is particularly important as it allows multiple controllers to communicate with the drive simultaneously. This redundancy not only improves performance but also strengthens fault tolerance, which is crucial for mission-critical applications.

Rotational Latency and Throughput Balance

Although the 7.2K RPM speed does not match the rotational speed of higher-end 10K or 15K RPM drives, it offers a balanced approach between performance and storage capacity. Lower rotational speeds typically result in reduced power consumption and heat generation, which contributes to longer drive lifespan and lower operational costs.

This balance makes the Dell 400-AZWS category particularly suitable for environments where large datasets must be stored and accessed regularly, but where extreme IOPS performance is not the primary requirement.

Reliability and Durability in Continuous Operation

Enterprise hard drives are designed for continuous operation, and the Dell 400-AZWS category is no exception. These drives undergo rigorous testing to ensure they can withstand demanding workloads over extended periods. Features such as enhanced vibration tolerance, advanced error correction algorithms, and robust firmware contribute to their reliability.

In multi-drive server environments, vibration can significantly impact performance and data integrity. Enterprise drives are engineered to minimize the effects of rotational vibration, ensuring stable operation even when installed alongside numerous other drives within the same chassis.

Error Handling and Data Integrity Mechanisms

Data integrity is a critical concern in enterprise storage systems. The Dell 400-AZWS drive incorporates advanced error detection and correction technologies to safeguard data against corruption. These mechanisms include cyclic redundancy checks, error correction codes, and firmware-level optimizations that detect and resolve potential issues before they impact system performance.

Such features are essential in maintaining the reliability of databases, virtual machines, and other critical applications that rely on accurate and consistent data storage.

Scalability and Integration in Modern Data Centers

As data centers continue to expand, scalability becomes a key consideration in storage infrastructure planning. The 8TB capacity of this drive allows organizations to maximize storage density while minimizing the physical footprint required. This is particularly advantageous in rack-mounted server environments where space efficiency is crucial.

The standardized 3.5-inch form factor ensures compatibility with a wide range of server platforms and storage enclosures. This makes integration straightforward, allowing IT administrators to scale storage capacity without significant modifications to existing infrastructure.

Compatibility with RAID Configurations

RAID configurations are commonly used in enterprise environments to enhance performance and provide redundancy. The Dell 400-AZWS category is fully compatible with various RAID levels, enabling flexible deployment strategies based on specific requirements. Whether prioritizing performance, redundancy, or a balance of both, these drives can be configured to meet diverse operational needs.

RAID integration also enhances data protection by distributing data across multiple drives, ensuring that information remains accessible even in the event of a hardware failure.

Future-Proofing Storage Infrastructure

As data continues to grow exponentially, organizations must invest in storage solutions that can adapt to evolving requirements. The Dell 400-AZWS category provides a future-proof foundation by combining high capacity with advanced interface technology. Its compatibility with modern server platforms ensures that it can be integrated into both current and future infrastructure deployments.

By choosing enterprise-grade drives with proven reliability and performance, organizations can build storage systems that remain effective and efficient over time. This reduces the need for frequent upgrades and ensures that infrastructure investments deliver long-term value.