Western Digital WD20EURX 2TB Hard Disk Drive
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Western Digital WD20EURX 2TB 5.4K RPM Hard Drive SATA 6GBPS Bulk

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Part Number#: WD20EURX
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Short Description:
WD20EURX AV-GP 2 Terabytes (TB) 5400 Revolutions Per Minute (RPM) Serial Advanced Technology Attachment (SATA) Gigabits Per Second (6GBPS) 64MB Cache 3.5Inch Large Form Factor (LFF) Internal Hard Disk Drive | Made by Western Digital | New Bulk Pack
Western Digital
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days
Product Overview

The WD20EURX is a 2TB internal hard drive manufactured by Western Digital. It is part of the AV-GP line of hard drives that are specifically designed for audio and video storage applications. This hard drive has a rotation speed of 5.4K RPM and utilizes the SATA 6Gbps interface. In this article, we will provide a detailed explanation of the features and benefits of the WD20EURX hard drive.

Understanding Western Digital WD20EURX AV-GP

In this section, we'll provide an overview of the Western Digital WD20EURX AV-GP hard drive and discuss its primary features and functions.


The Western Digital WD20EURX AV-GP is a high-capacity internal hard disk drive designed to provide reliable and efficient storage for various applications. It comes with a generous storage capacity of 2 terabytes, which is equivalent to 2000 gigabytes. This means you can store a substantial amount of data, including documents, photos, videos, games, and more.

5400 RPM - Balancing Speed and Energy Efficiency

One of the key specifications of the WD20EURX AV-GP is its rotational speed, measured in revolutions per minute (RPM). This hard drive operates at 5400 RPM. This speed is a crucial factor as it impacts both the performance and power consumption of the drive.

A 5400 RPM drive strikes a balance between performance and energy efficiency. While it may not be as fast as the 7200 RPM drives, it consumes less power and generates less heat, making it a great choice for applications that require long-term, continuous operation, such as surveillance systems and digital video recorders.

SATA - The Universal Data Connection

The Western Digital WD20EURX AV-GP utilizes a Serial Advanced Technology Attachment (SATA) interface. SATA is a widely adopted and standardized connection type for hard drives and solid-state drives. The SATA interface in this hard drive operates at 6 gigabytes per Second (6Gbps), which provides a high data transfer rate for improved performance.

SATA connectors are compatible with most desktop and server motherboards, making it easy to integrate the WD20EURX AV-GP into your system. This universal compatibility ensures that you can use this hard drive in a wide range of devices, from personal computers to network-attached storage (NAS) units.

Capacity and Form Factor

The WD20EURX has a storage capacity of 2TB, which translates to 2000GB of storage space. This is a significant amount of storage space and is ideal for audio and video storage applications, where large files are common. The form factor of the WD20EURX is 3.5 inches, which is the standard size for desktop hard drives. This means that it can be easily installed on most desktop computers.

Rotational Speed

The WD20EURX has a rotational speed of 5.4K RPM, which is considered to be a slow speed when compared to other hard drives. However, this slow speed is intentional and is a design feature of the AV-GP line of hard drives. The slower speed allows for quieter operation, lower power consumption, and less heat generation. These features make the WD20EURX an ideal choice for audio and video storage applications, where low noise levels and heat generation are important.

Performance and Cache

We'll delve into the performance aspect of the Western Digital WD20EURX AV-GP and understand the significance of its 64MB cache.

Performance Expectations

When evaluating hard drive performance, several factors come into play. These include the rotational speed (RPM) we discussed earlier, the data transfer rate, and the read/write speeds.

The WD20EURX AV-GP, with its 5400 RPM and 6Gbps SATA interface, delivers a solid balance of speed and reliability. It may not be the fastest drive on the market, but it is more than capable of handling everyday computing tasks, including storing and accessing large files, running applications, and streaming high-definition video content.

It's important to note that if you require faster performance, you may want to consider a solid-state drive (SSD), which offers significantly higher data transfer rates compared to traditional HDDs. However, HDDs like the WD20EURX AV-GP excel in terms of capacity and are often chosen for mass storage.

Understanding Cache

The WD20EURX AV-GP comes equipped with a 64MB cache. A cache is a high-speed volatile memory that stores frequently accessed data for quicker retrieval. In the context of an HDD, this cache memory plays a crucial role in enhancing the drive's performance.

When you request data from your hard drive, the cache stores a portion of that data, allowing for faster access times. This can significantly improve the speed of tasks like booting up your operating system or launching frequently used applications.

While 64MB is a reasonable cache size, it's important to note that compared to SSDs, HDDs still have limitations in terms of data access speed due to the physical spinning of the disk. Nevertheless, the cache does help mitigate these limitations and offers a noticeable performance improvement.


The WD20EURX utilizes the SATA 6Gbps interface, which is the latest version of the SATA interface. This interface provides faster data transfer rates compared to the previous versions of the SATA interface. The 6Gbps transfer rate allows for faster data transfer speeds, which is important for audio and video storage applications. It also provides backward compatibility with previous versions of the SATA interface, making it easy to install on most desktop computers.

Buffer Size

The WD20EURX has a buffer size of 64MB. The buffer is a temporary memory storage area used by the hard drive to speed up data transfer rates. The larger the buffer size, the faster data can be transferred between the hard drive and the computer. The 64MB buffer size of the WD20EURX is considered to be large and provides faster data transfer rates, especially when transferring large files.

Noise and Power Consumption

The WD20EURX is designed to be a quiet hard drive, and it operates at a slower rotational speed to achieve this. The slower speed reduces the amount of noise generated by the hard drive, making it an ideal choice for audio and video storage applications. The WD20EURX also has a low power consumption rate, which helps reduce heat generation and energy costs.


Western Digital is a well-known and trusted brand in the hard drive industry. The WD20EURX is designed to be a reliable hard drive, and it comes with a three-year limited warranty. This warranty covers any defects in materials or workmanship and provides peace of mind for users. The WD20EURX is also designed to be a durable hard drive and can withstand harsh operating environments, making it a reliable choice for audio and video storage applications.


The WD20EURX is compatible with most desktop computers that have a SATA interface. It is also compatible with most operating systems, including Windows and Mac OS. It is important to ensure that the computer's power supply can handle the power requirements of the hard drive before installation.

Finally, the WD20EURX is a 2TB internal hard drive that is designed for audio and video storage applications. It has a slow rotational speed of 5.4K RPM, which provides quieter operation, lower power consumption, and less heat generation.

General Information about this Western Digital WD20EURX
  • Manufacturer: Western Digital
  • Part Number or SKU# WD20EURX
  • Product Type: SATA 6 GBPS Hard Disk Drive
Technical Information of 2TB Hard Disk
  • Capacity: 2TB 5.4K RPM
  • Spindle Speed: 5.4K RPM
  • Generation: SATA 6GBPS
  • Buffer: 64 MB
  • Drive Bay Width: 3.5Inch
  • Drive Type: Internal

In summary, the Western Digital WD20EURX AV-GP is a reliable and cost-effective solution for those seeking ample storage capacity with reasonable performance for various applications. By understanding its technical specifications, potential use cases, and proper maintenance, you can make an informed decision about incorporating it into your computing environment.

Whether you need to store a vast media library, support surveillance systems, or expand your network-attached storage, this hard drive can meet your requirements. Additionally, the straightforward installation process and maintenance tips make it a user-friendly choice for both beginners and experienced users.

As with any technology product, it's essential to do your research and assess your specific needs before making a purchase. Consider factors such as data storage requirements, performance expectations, and compatibility with your existing hardware.

Western Digital
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.


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Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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