2TB WD HUS724020ALS640 SAS HDD 7.2K RPM 6GBPS 64MB Buffer

Capacity

The Western Digital HUS724020ALS640 SAS Hard Drive comes with a massive 2TB storage capacity, making it an ideal choice for individuals and businesses that require large amounts of storage space. Whether you need to store extensive multimedia files, complex software applications, or vast amounts of data, this hard drive has you covered.

General Information of WD SAS Hard Drive

Brand and Model

• Manufacturer: Western Digital
• Model Number: HUS724020ALS640
• Product Line: Ultrastar
• Series: 7k4000
• Product Name: Ultrastar 7k4000 HUS724020ALS640 Hard Drive

Specifications

• Storage Capacity: 2 TB
• Interface: SAS 6 Gbps
• Drive Size: 3.5 Inch
• Areal Density: 475 Gb/sq. in.
• Load/Unload Cycles (at 40°C): 600,000
• MTBF: 2 Million Hours

Performance

Speed and Efficiency

• Average Seek Time: 8.0 ms
• Rotational Speed: 7200 RPM
• Cache Buffer: 64 MB
• Interface Transfer Rate (Max): 600 Mbps
• Sustained Transfer Rate (Typical): 172 Mbps

Physical Dimensions

Size and Weight

• Z-Height: 26 mm
• Dimensions (Width x Depth): 101.6 mm (+/-0.25) x 147 mm
• Weight (Typical): 690 g

Environmental Conditions

Operating Environment

• Ambient Temperature Range: 5°C to 60°C
• Shock (Half-Sine Wave 2 ms, G): 70
• Vibration, Random (g RMS 5 to 500 Hz): 0.67 (XYZ)

Non-Operating Environment

• Ambient Temperature Range: -40°C to 70°C
• Shock (Half-Sine Wave 1 ms, G): 300

Benefits of 2TB Capacity

The 2TB capacity of this hard drive offers several benefits for users:

Ample Storage Space

With 2TB of storage, you can easily store thousands of hours of high-definition videos, tens of thousands of photos, or millions of documents. This ample storage space ensures that you can keep all your important files in one place without having to worry about running out of storage.

Improved Performance

Having a higher-capacity hard drive means that your computer can handle more data at once. This results in improved performance as the hard drive can access and retrieve data faster, allowing for smoother multitasking and quicker file transfers.

Future-Proofing

The 2TB capacity ensures that you have enough room to grow and expand your storage needs in the future. As file sizes continue to increase with advancements in technology, having a larger-capacity hard drive will save you from constantly having to upgrade or purchase additional storage devices.

Importance of 2TB Capacity

In today's digital age, where data is constantly being generated and consumed, having a high-capacity storage solution is crucial. The importance of the 2TB capacity offered by the Western Digital HUS724020ALS640 SAS Hard Drive can be seen in the following aspects:

Data Backup and Recovery

With a 2TB capacity, you can easily create regular backups of your important files and ensure that you have a secure copy in case of any data loss or system failure. Additionally, the larger capacity allows for more efficient data recovery processes, as you can restore larger volumes of data without the need for multiple drives or lengthy recovery times.

Media Production

If you work in a field that involves media production, such as video editing or graphic design, having a 2TB capacity is essential. These types of projects often require large file sizes, and the ability to store and access them quickly is crucial for efficient workflow and productivity.

Speed

The Western Digital HUS724020ALS640 SAS Hard Drive offers a speed of 7.2K RPM (rotations per minute), ensuring fast and efficient data access. This speed is particularly advantageous for users who require quick data retrieval and high-performance computing.

Benefits of 7.2K RPM Speed

Fast Data Access

The 7.2K RPM speed allows for faster data access times compared to slower rotating hard drives. This means that your computer can retrieve information from the hard drive more quickly, resulting in reduced loading times for applications, files, and operating systems.

Improved Performance

By providing faster data access, the 7.2K RPM speed enhances overall system performance. Applications launch more quickly, file transfers complete faster, and tasks that involve accessing large amounts of data become more efficient.

Smooth Multitasking

If you frequently work on tasks that require multitasking or run resource-intensive applications simultaneously, the 7.2K RPM speed ensures that your computer can handle these demands without experiencing significant slowdowns. This allows you to work seamlessly and efficiently without any performance bottlenecks.

Importance of 7.2K RPM Speed

Data-Intensive Applications

For users who work with data-intensive applications such as database management systems, scientific simulations, or video rendering software, the importance of the 7.2K RPM speed cannot be overstated. These applications rely on fast data access for optimal performance, and the higher RPM speed helps deliver the necessary performance boost.

Gaming and Multimedia

Gamers and multimedia enthusiasts can benefit greatly from the 7.2K RPM speed. Games with large file sizes can be loaded faster, reducing waiting times and providing a smoother gaming experience. Similarly, multimedia files such as high-definition videos or large audio libraries can be accessed and played without any lag or buffering delays.

Interface

The Western Digital HUS724020ALS640 SAS Hard Drive features a 6GBPS interface, offering fast and reliable data transfer speeds. The interface acts as a communication link between the hard drive and other components of the computer system, ensuring seamless data flow.

High-Speed Data Transfer

The 6GBPS interface enables high-speed data transfer between the hard drive and other components of your computer system. This ensures that files can be quickly read from or written to the hard drive, resulting in reduced waiting times and improved overall system performance.

Compatibility

The 6GBPS interface is compatible with a wide range of computer systems, making it versatile and reliable. Whether you have a desktop computer, a server, or a storage system, this interface ensures seamless integration and ease of use.

Future-Proofing

With technology constantly evolving, having a fast and modern interface is essential for future-proofing your storage solution. The 6GBPS interface provides ample bandwidth to handle the increasing data transfer requirements of newer systems and devices, ensuring that your hard drive remains compatible and efficient for years to come.

Professional Workstations

Professional workstations, such as those used for graphic design, video editing, or 3D modeling, require high-speed data transfer to handle large file sizes. The 6GBPS interface is crucial in these scenarios, as it allows for quick access to files and improves the overall efficiency of these resource-intensive tasks.

Server Environments

In server environments where multiple hard drives are connected and data needs to be accessed simultaneously, the 6GBPS interface ensures smooth data flow and reduces potential bottlenecks. This is especially important for businesses that rely on their servers to handle large amounts of data and require fast response times.

Buffer

The Western Digital HUS724020ALS640 SAS Hard Drive comes with a generous 64MB buffer size, enhancing its performance and efficiency. The buffer acts as a temporary storage area for frequently accessed data, allowing for faster retrieval and improved overall system responsiveness.

Faster Data Access

The 64MB buffer size allows for faster data access by storing frequently accessed data in the buffer itself. This reduces the need to retrieve data from the main storage area of the hard drive, resulting in quicker access times and improved overall system performance.

Improved Multitasking

With a larger buffer size, the hard drive can handle multiple read and write requests simultaneously, making it ideal for multitasking scenarios. Whether you're running several applications at once or performing multiple file transfers, the 64MB buffer ensures that your system remains responsive and efficient.

Reduced Wear and Tear

The larger buffer size helps reduce wear and tear on the hard drive by minimizing the number of times data needs to be accessed from the main storage area. This can extend the overall lifespan of the hard drive and ensure its reliability over time.

Database Management

For users who work with databases or perform frequent database queries, the importance of a large buffer size cannot be overstated. The 64MB buffer allows for faster data retrieval from the database, resulting in improved query performance and reduced latency.

File Servers

In file server environments where multiple users access and retrieve files simultaneously, a larger buffer size can significantly improve overall system responsiveness. The 64MB buffer enables faster data access for multiple users, ensuring smooth file transfers and minimizing potential delays.