Western Digital WD20EZRZ 2TB 5.4K RPM HDD SATA-6GBPS
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Western Digital WD20EZRZ 2TB HDD SATA 6GBPS 5.4K RPM Blue Refurbished

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Short Description:
Western Digital WD20EZRZ 2 Terabytes (TB) Serial Advanced Technology Attachment (SATA) 6 Gigabytes Per Second (GBPS) 5.4K Revolutions Per Minute (RPM) Blue 64 Megabytes (MB) Cache 3.5-inch Internal Hard Disk Drive | Refurbished
Western Digital
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product overview for the Western Digital WD20EZRZ

In the world of digital storage, hard disk drives (HDDs) play a vital role in preserving and accessing data. One such HDD is the Western Digital WD20EZRZ 2TB HDD SATA 6GBPS, which offers an impressive combination of storage capacity, speed, and reliability. In this comprehensive review, we will delve into the key features and specifications of this 2TB HDD, breaking down what each component means, and explaining why it could be a valuable addition to your digital storage arsenal.

HDD Basics

Before we dive into the specifics of the Western Digital WD20EZRZ 5.4K RPM, it's important to understand some basic concepts about hard disk drives (HDDs). HDDs are storage devices used in computers and other electronic devices to store data. They consist of one or more spinning disks (platters) that store data magnetically. The data is read and written using a tiny, movable arm with a read/write head.

Storing 2TB of Data

The WD20EZRZ is a 2TB HDD, which means it can store 2 terabytes of data. But what does that actually mean in practical terms? To put it into perspective, 2TB is equivalent to 2,000 gigabytes, or roughly 2,000,000 megabytes. This is a substantial amount of storage space, making it ideal for a wide range of applications.

With 2TB, you can store

  • Approximately 500 hours of high-definition video content.
  • Up to 500,000 high-resolution photos.
  • A vast library of music and documents.

Whether you're a casual user with a lot of personal data or a professional with extensive storage needs, 2TB is a generous capacity that ensures you won't run out of space any time soon.

SATA 6GBPS: A Fast Connection

The WD20EZRZ HDD uses the SATA 6Gbps (SATA III) interface for data transfer. SATA, which stands for Serial Advanced Technology Attachment, is the standard interface used to connect storage devices to a computer's motherboard. The "6Gbps" in SATA 6Gbps indicates the maximum data transfer rate it supports, which is 6 gigabits per second (Gbps).

This high data transfer rate ensures that data can be read from and written to the HDD quickly, resulting in faster access to your stored information. It's important to note that the actual speed at which data is transferred may also depend on other factors, such as the RPM (discussed next) and the device you are connecting the HDD to.

RPM - The Need for Speed

RPM, or revolutions per minute, is a crucial specification in HDDs. It determines how fast the platters inside the HDD spin. In the case of the WD20EZRZ, it operates at 5,400 RPM (rotations per minute).

The RPM of an HDD impacts its read and write speed. A higher RPM generally means faster data access. In this case, 5,400 RPM provides a good balance between performance and energy efficiency. It's a common speed for consumer-grade HDDs, and it's suitable for everyday tasks like storing and accessing files, as well as running operating systems and applications.

While 7,200 RPM HDDs are faster, they may consume more power and generate more heat. The 5,400 RPM of the WD20EZRZ strikes a balance between speed and power efficiency, making it a suitable choice for many users.

Cache Size Matters

The cache, also known as a buffer, is a small amount of high-speed volatile memory located on the HDD. It acts as a temporary storage space for frequently accessed data, allowing the HDD to quickly retrieve data without accessing the slower spinning platters. The WD20EZRZ is equipped with a 64MB cache.

A larger cache size generally results in improved performance, especially in scenarios where data is frequently read or written. It helps the HDD respond faster to requests, enhancing overall speed. In this regard, a 64MB cache is a decent size for a 2TB HDD and should contribute to smoother and faster data access.

Performance in Real-world Scenarios

In real-world scenarios, the performance of an HDD can vary depending on the tasks you're performing. Here's how the WD20EZRZ performs in different situations:

  • File Storage: The HDD's 2TB capacity makes it a great choice for storing files, documents, photos, and videos. Its 5,400 RPM speed ensures that files can be accessed quickly, making it a convenient storage solution for personal and professional use.
  • Multimedia Playback: The WD20EZRZ is suitable for playing multimedia files, such as movies and music. Its 64MB cache and 5,400 RPM speed allow for smooth playback of high-definition content.
  • Data Backup: If you need a reliable backup solution, the WD20EZRZ is up to the task. Its high capacity ensures you can back up a significant amount of data, and its 64MB cache helps speed up the process.
  • Gaming: While HDDs are not the primary choice for gaming due to slower loading times compared to solid-state drives (SSDs), the WD20EZRZ can still be used for storing games. The 2TB capacity allows you to store a large game library.
  • Operating System and Applications: The WD20EZRZ can be used as the primary storage drive for your operating system and applications. While not as fast as SSDs in terms of boot time and application loading, it provides ample storage for the OS and software.

Reliability and Durability

Reliability is a crucial factor when choosing a storage device. Western Digital is a well-known and respected brand in the storage industry, and the WD20EZRZ is designed for reliability. However, it's important to note that all HDDs, including this one, have moving parts, which can be vulnerable to wear and tear over time.

To ensure the longevity of your HDD

  • Handle it with care to prevent physical damage.
  • Keep it in a stable environment with consistent temperature and humidity levels.
  • Back up your data regularly to safeguard against data loss.

Western Digital provides a range of tools and utilities to monitor the health of your HDD and manage its performance. Regular maintenance can help prolong the life of the drive.

Noise and Power Consumption

HDDs, by nature, produce noise when they're in operation. The sound can vary depending on the make and model. The WD20EZRZ is designed to be relatively quiet during use, thanks to its 5,400 RPM speed, which generates less noise compared to 7,200 RPM drives.

In terms of power consumption, HDDs are generally more power-hungry than SSDs. The WD20EZRZ is an energy-efficient choice with its 5,400 RPM speed, which helps reduce power consumption. This means that it won't significantly impact your electricity bill and is suitable for use in both desktop and low-power, energy-efficient devices.

Software Features

Western Digital often provides software tools to enhance the functionality of their HDDs. These tools can be used to monitor drive health, update firmware, and manage drive settings. Some common Western Digital software includes:

  • WD Drive Utilities: This software provides features like diagnostics, secure erasing, and drive management. It's a handy tool to have for maintaining your WD20EZRZ.
  • Acronis True Image WD Edition: Western Digital often bundles this software with their drives. It's a data backup and recovery solution that can help you protect your data.
  • WD Security: If you want to add a layer of security to your drive, this software allows you to set up password protection and hardware encryption.

Having access to these software tools can improve your overall experience with the WD20EZRZ.

Compatibility with Operating Systems

The WD20EZRZ is compatible with a wide range of operating systems, making it a versatile storage solution. It is designed to work seamlessly with:

  • Windows operating systems, including Windows 10 and Windows 11.
  • Mac OS X (with reformatting).
  • Linux (with reformatting).

This broad compatibility ensures that you can use the drive with various computers and devices, regardless of the operating system you prefer.

Warranty and Support

Western Digital offers a limited warranty for its products, including the WD20EZRZ. The exact terms and duration of the warranty may vary by region and retailer, so it's essential to check the warranty details when purchasing the drive. Typically, Western Digital provides a warranty period of 2 to 3 years for their HDDs.

In case you encounter any issues with your drive or need assistance, Western Digital also offers customer support through their website. You can find troubleshooting guides, drivers, and contact information for technical support if necessary.

Price and Value for Money

When evaluating any product, including hard disk drives, it's essential to consider the price and the value it offers in relation to that price. The WD20EZRZ is often priced competitively in the 2TB HDD market. The value it provides is in its combination of capacity, reliability, and performance for the price point.

To determine if it's a good value for your specific needs, consider factors such as your budget, the type of tasks you'll be using the drive for, and your desire for a reputable brand like Western Digital.

General Information about Western Digital WD20EZRZ

  • Manufacturer: Western Digital
  • Model Number or SKU# WD20EZRZ
  • Type: Hard Disk Drive (HDD)
  • Product Type: SATA 6GBPS

Key Features

  • Capacity: 2 TB
  • Interface: SATA-6GBPS
  • Advanced Format: Yes
  • Rohs Compliant: Yes


  • Data Transfer Rate (Max) Buffer To Host: 6 GBPS
  • Data Transfer Rate Host To/From Drive (Sustained): 147 MBPS
  • Spindle Speed: 5.4k Rpm
  • Buffer: 64 MB

In summary, the Western Digital WD20EZRZ 2TB HDD SATA 6GBPS 5.4K RPM Blue 64MB Cache Internal is a well-rounded storage solution that can meet a variety of needs. Its 2TB capacity offers ample storage space for files, media, and applications, while the 5,400 RPM speed strikes a balance between performance and power efficiency. With a 64MB cache, it's equipped to handle data access efficiently.

This internal HDD is backed by the reliability and support of Western Digital, a trusted name in the storage industry. While it may not be the fastest storage option available, it provides good value for those who prioritize storage capacity and affordability.

Before purchasing, consider your specific storage needs and how the WD20EZRZ aligns with them. Whether you're looking to expand your computer's storage, back up important data, or store a media library, the Western Digital WD20EZRZ is a capable choice that can reliably meet your storage requirements.

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

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

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.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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