Western Digital 4TB WD40EFRX 5.4K RPM SATA 6GBPS 64MB LFF NAS HDD.

Capacity

The Western Digital WD40EFRX Internal NAS Hard Drive is a high-capacity hard drive with 4TB of storage space. This large capacity allows users to store a vast amount of data, including documents, photos, videos, and more. Whether you are a professional photographer, video editor, or simply a home user with a growing collection of files, having 4TB of storage ensures that you will never run out of space.

General Information

Manufacturer Details

Brand: Western Digital Corporation

Part Number: WD40EFRX

Product Line

Series: WD Red

Product Name

Model: WD Red 4TB NAS Hard Drive

Key Features

Storage Capacity

Size: 4 Terabytes

Interface

Connection Type: SATA 6Gbps

Drive Dimensions

Size: 3.5 Inches

Advanced Format

Supports Advanced Format (AF): Yes

Compliance

ROHS Certified: Yes

Performance Specifications

Data Transfer Rates

• Maximum Transfer Rate: 6 Gbps
• Sustained Transfer Rate: 150 Mbps

Spindle Speed

Technology: IntelliPower

Cache

Buffer Size: 64 MB

Reliability

Mean Time Between Failures (MTBF): 1,000,000 Hours

Physical Characteristics

Dimensions

• Height: 26.1 mm
• Depth: 147 mm
• Width: 101.6 mm

Weight

Weight: 680 grams

Benefits of 4TB Capacity

1. Ample Storage: With 4TB, you can store thousands of hours of HD videos, tens of thousands of high-resolution photos, or hundreds of thousands of documents. This ample storage capacity provides peace of mind knowing that you have enough space for all your data.

2. Convenience: Instead of juggling multiple smaller hard drives or constantly deleting old files to make room for new ones, the 4TB capacity allows you to keep everything in one place. This makes it easier to organize and locate your files.

3. Future-Proofing: As file sizes continue to grow with higher-quality media and larger applications, having a 4TB capacity ensures that your hard drive will remain relevant for years to come.

Importance of 4TB Capacity

1. Professional Use: Professionals in creative industries such as photography and videography require large amounts of storage space for their projects. With 4TB, they can store their work without worrying about running out of space.

2. Media Enthusiasts: If you enjoy collecting movies, TV shows, or music, the 4TB capacity allows you to build an extensive library without compromising on quality or having to delete files to make room for new ones.

3. Data Backup: Having a large capacity hard drive is crucial for creating backups of important files. Whether it's personal documents or critical business data, the 4TB capacity ensures that you can maintain multiple copies for added security.

Reliability and Durability

Western Digital is known for producing reliable and durable hard drives, and the WD40EFRX is no exception. With high-quality components and rigorous testing, this hard drive is built to withstand the demands of 24/7 operation in a NAS environment. This reliability ensures that your data will be safe and accessible whenever you need it.

Speed

The Western Digital WD40EFRX Internal NAS Hard Drive features a speed of 5.4K RPM (Rotations Per Minute). This rotational speed plays a significant role in determining the performance of the hard drive and affects the speed at which data can be accessed and transferred.

Benefits of 5.4K RPM Speed

1. Faster Data Access: The higher rotational speed allows the hard drive's read and write heads to quickly locate and access data. This results in faster loading times for applications, quicker file transfers, and improved overall system responsiveness.

2. Smooth Media Playback: When using the hard drive for media storage, a higher RPM ensures that video playback is smooth without any buffering or lag. This is particularly important when streaming high-definition videos or working with large media files.

3. Enhanced Multi-Tasking: The faster speed of the hard drive enables better multi-tasking capabilities. You can run multiple applications simultaneously without experiencing significant performance degradation, as data can be accessed more quickly.

Importance of 5.4K RPM Speed

1. NAS Performance: In a NAS (Network Attached Storage) environment, where multiple users may access the hard drive simultaneously, a higher RPM speed ensures smoother and more efficient data access for all users.

2. Gaming: Gamers can benefit from the faster speed provided by a 5.4K RPM hard drive. Games load faster, reducing waiting times and improving the overall gaming experience.

3. Productivity: Whether you are working with large databases, running virtual machines, or performing data-intensive tasks, the higher RPM speed helps to boost productivity by reducing data access delays.

Quiet Operation

Despite its high rotational speed, the Western Digital WD40EFRX remains remarkably quiet during operation. This is achieved through advanced noise reduction technologies, ensuring a peaceful working environment without compromising performance.

Interface

The Western Digital WD40EFRX Internal NAS Hard Drive utilizes the SATA 6GBPS interface for data transfer. The SATA (Serial Advanced Technology Attachment) interface is the standard connection used in most modern computers and provides high-speed communication between the hard drive and the motherboard.

Benefits of SATA 6GBPS Interface

1. Faster Data Transfer: The SATA 6GBPS interface offers significantly faster data transfer rates compared to its predecessors. This allows for quicker file transfers, faster backups, and improved overall system performance.

2. Compatibility: The SATA interface is widely supported by motherboards, making it compatible with a wide range of computers and NAS devices. Whether you are upgrading an existing system or building a new one, the SATA 6GBPS interface ensures seamless integration.

3. Easy Installation: SATA cables are simple to connect and require no special tools or expertise. This makes it easy for users to install and replace the hard drive without any hassle.

Importance of SATA 6GBPS Interface

1. NAS Performance: When used in a NAS environment, the SATA 6GBPS interface allows for efficient data transfer between the hard drive and the network, ensuring smooth operation and fast access to files.

2. Upgradability: The SATA interface is future-proof, allowing you to upgrade your system without worrying about compatibility issues. You can easily replace or add additional hard drives to expand your storage capacity as needed.

3. External Enclosure Compatibility: The SATA interface is widely supported by external hard drive enclosures, making it easy to connect the WD40EFRX to your computer or media player for additional storage or media playback.

Reliability and Stability

The Western Digital WD40EFRX Internal NAS Hard Drive with the SATA 6GBPS interface provides reliable and stable data transfers. Western Digital's extensive testing and quality control ensure that the hard drive operates smoothly without any data loss or corruption.

Cache

The Western Digital WD40EFRX Internal NAS Hard Drive features a cache size of 64MB. The cache acts as a buffer between the hard drive and the computer, temporarily storing frequently accessed data for faster retrieval.

Benefits of 64MB Cache

1. Improved Performance: The larger cache size allows for more data to be stored temporarily, resulting in improved performance when accessing frequently used files or applications.

2. Smoother Multitasking: With a larger cache, the hard drive can handle multiple read and write requests simultaneously, enabling smoother multitasking without significant performance degradation.

3. Optimized Workflows: Whether you are editing videos, working with large databases, or running resource-intensive applications, the 64MB cache ensures that data can be accessed quickly, enhancing your productivity.

Importance of 64MB Cache

1. NAS Performance: In a NAS environment, where multiple users may access the hard drive simultaneously, a larger cache size allows for better performance for all users. This ensures that everyone can access their data quickly and efficiently.

2. Media Streaming: When using the hard drive for media streaming, a larger cache helps to ensure a smooth playback experience by minimizing buffering and improving the overall streaming performance.

3. Gaming: Gamers can benefit from the larger cache size, as it allows for faster loading times and reduces in-game lag, providing a more enjoyable gaming experience.

Data Integrity and Protection

The Western Digital WD40EFRX Internal NAS Hard Drive with a 64MB cache offers advanced data integrity features. These features include error correction algorithms and vibration sensors, which help to protect your data from potential corruption or loss.

Form Factor

The Western Digital WD40EFRX Internal NAS Hard Drive has a form factor of LFF (Large Form Factor). This form factor is commonly used in desktop computers, servers, and NAS devices that require larger hard drives.

Benefits of LFF Form Factor

1. Increased Storage Capacity: LFF drives typically have larger storage capacities compared to smaller form factors. This allows for more data to be stored on a single drive, reducing the need for multiple drives in the same system.

2. Better Cooling and Heat Dissipation: The larger form factor allows for better airflow around the drive, helping to keep it cool during operation. This is particularly important in high-capacity NAS systems that are constantly in use.

3. Easy Installation: LFF drives are designed to be easily installed in compatible systems, requiring minimal effort and no additional adapters or conversion cables.

Importance of LFF Form Factor

1. NAS Compatibility: Many NAS devices are designed to accommodate LFF hard drives, making the WD40EFRX a perfect fit for expanding the storage capacity of your NAS system.

2. Server Applications: LFF drives are commonly used in server applications where large amounts of data need to be stored and accessed quickly. The WD40EFRX's LFF form factor makes it suitable for server environments that require high-capacity storage.

3. Scalability: The LFF form factor allows for easy scalability. You can start with a single WD40EFRX drive and later add more drives as your storage needs grow, without having to replace or modify your existing infrastructure.

Data Redundancy and Protection

The Western Digital WD40EFRX Internal NAS Hard Drive supports various RAID configurations, allowing you to set up data redundancy for added protection against data loss. This is particularly important in NAS systems where data integrity is crucial.