Western Digital WD20EARX 6GBPS Hard Drive
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WD20EARX Western Digital 2TB 5.4K RPM Hard Drive SATA 6GBPS Bulk

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Part Number#: WD20EARX
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Short Description:
WD20EARX Caviar Green 2 Terabytes (TB) 5400 Revolutions Per Minute (RPM) Serial Advanced Technology Attachment (SATA) 64 Megabyte (MB) Buffer 3.5 Inch Form Factor Low Profile 6 Gigabits Per Second (GBPS) Hard Disk Drive | Made by Western Digital | New Bulk Pack
Western Digital
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days
Overview of the Western Digital WD20EARX SATA 6GBPS Hard Drive

The Western Digital WD20EARX Caviar Green is a 2 Terabyte (TB) hard disk drive (HDD) designed for data storage. The Western Digital WD20EARX Caviar Green is a hard disk drive, often referred to as an HDD. It is produced by Western Digital, a renowned manufacturer of storage solutions. This particular model, the WD20EARX, offers 2 terabytes (TB) of storage capacity. They are the workhorses that store and retrieve data in our computers, providing a reliable and cost-effective solution for everyday storage needs. The Western Digital WD20EARX Caviar Green 2TB HDD is one such storage device that has garnered attention for its unique features.

Storage Capacity 2 Terabytes (TB)

The Western Digital WD20EARX Caviar Green boasts a whopping 2 terabytes of storage capacity. This means that it can store a vast amount of data, from photos and videos to documents and applications. To put this into perspective, 2TB is roughly equivalent to 2,000 gigabytes (GB) or 2,000,000 megabytes (MB). With this much storage space, you can comfortably store a substantial digital library, making it an excellent choice for those who have extensive multimedia collections or need to store large volumes of data for work or personal use.

Serial Advanced Technology Attachment (SATA) Interface

The Western Digital WD20EARX Caviar Green hard drive uses a Serial Advanced Technology Attachment (SATA) interface. SATA is the standard connection interface used in most modern computers and external storage devices. The SATA interface is designed for data transfer between the hard drive and the motherboard of the computer.

SATA comes in different versions, including SATA I (1.5 Gbps), SATA II (3 Gbps), and SATA III (6 Gbps). The WD20EARX uses the SATA III interface, which provides a high data transfer rate of 6 gigabits per second (Gbps). This means that the hard drive can transfer data quickly and efficiently, which is crucial for tasks like copying or accessing large files.

Rotational Speed 5400 Revolutions Per Minute (RPM)

One of the critical specifications of a hard drive is its rotational speed, typically measured in revolutions per minute (RPM). The Western Digital WD20EARX Caviar Green operates at 5400 RPM. While this rotational speed is not as high as some other hard drives on the market, it offers specific advantages.

A 5400 RPM drive is considered a "green" or energy-efficient drive. It consumes less power and generates less heat compared to high-speed drives like 7200 RPM or 10,000 RPM models. This makes it an excellent choice for environments where power efficiency and low heat production are important considerations. Additionally, the slower rotational speed can lead to quieter operation and potentially longer drive lifespan, as there is less wear and tear on the drive's components.

Buffer Size 64 Megabytes (MB)

The buffer, often referred to as cache, is a small amount of high-speed volatile memory used to store frequently accessed or recently used data. The Western Digital WD20EARX Caviar Green is equipped with a 64MB buffer.

A larger buffer size is advantageous as it can improve the overall performance of the hard drive. It allows the drive to temporarily store data that is frequently requested by the computer, reducing the time it takes to access that data. This can lead to faster read and write speeds, especially when dealing with frequently accessed files or multitasking on the computer.

3.5 Inch Form Factor

The form factor of a hard drive refers to its physical size and shape. The Western Digital WD20EARX Caviar Green is designed with a 3.5-inch form factor. This size is a standard for desktop hard drives and is the most common form factor for internal hard drives used in desktop computers.

A 3.5-inch drive is larger than the 2.5-inch form factor commonly found in laptop hard drives. The larger size allows for greater storage capacity and often provides better cooling and durability. However, it's important to note that a 3.5-inch drive is not suitable for laptops or other portable devices due to its size and power requirements. It is primarily intended for use in desktop systems.

Low Profile Design

The term "low profile" in the context of hard drives refers to the physical height of the drive. Low-profile drives are designed to be thinner or shorter in height than standard drives. The Western Digital WD20EARX Caviar Green, however, is not a low-profile drive; it adheres to the standard height of 3.5-inch drives.

Low-profile drives are typically used in specialized cases or situations where space is limited. They are not as common in standard desktop configurations. The WD20EARX is a standard 3.5-inch drive, which is suitable for most desktop computers and provides the advantage of a larger storage capacity.

Data Transfer Rate: 6 Gigabits Per Second (Gbps)

The data transfer rate of a hard drive is a crucial factor that determines how quickly data can be read from and written to the drive. The Western Digital WD20EARX Caviar Green offers a data transfer rate of 6 gigabits per second (Gbps) via its SATA III interface.

This high transfer rate ensures that data can move swiftly between the hard drive and the computer's motherboard. It is particularly important for tasks that involve large file transfers or data-intensive applications. A high data transfer rate can significantly improve the overall performance of your system, making it a great choice for those who require fast access to their data.

Energy Efficiency and Noise Reduction

The Western Digital WD20EARX Caviar Green is known for its energy-efficient operation. As mentioned earlier, the 5400 RPM rotational speed, combined with the "Green" designation, makes it an excellent choice for those who are conscious of power consumption and want a more environmentally friendly option.

Reduced Power Consumption: A 5400 RPM drive typically consumes less power than its higher-speed counterparts, resulting in lower electricity bills and reduced heat generation. This can be particularly beneficial in systems that operate 24/7, such as network-attached storage (NAS) devices.

Cooler Operation: Lower power consumption translates to less heat generated during operation. This is an advantage for maintaining a cooler operating environment inside your computer case. Cooler temperatures can lead to better overall system stability and potentially extend the lifespan of the hard drive.

Quieter Operation: The slower rotational speed of the WD20EARX also contributes to a quieter operation. If you're looking for a hard drive that doesn't produce excessive noise, this drive is a suitable choice, especially for systems where quiet operation is important, like home theater PCs or recording studios.

Longer Lifespan: The reduced wear and tear resulting from the lower rotational speed can contribute to a longer lifespan for the hard drive. This means you can enjoy reliable storage for a more extended period without worrying about premature drive failure.

Environmental Considerations: Western Digital's "Green" drives are designed with environmentally conscious features, including reduced power consumption. This can make them an appealing choice for individuals and businesses looking to reduce their carbon footprint and energy costs.

Usage Scenarios

The Western Digital WD20EARX Caviar Green 2TB HDD is a versatile storage solution suitable for a wide range of usage scenarios. Let's explore some common scenarios where this hard drive can excel:

  • Multimedia Storage: With its large 2TB capacity, the WD20EARX is an excellent choice for storing your multimedia content. You can store thousands of photos, hours of high-definition videos, and a vast music library without worrying about running out of space.
  • Backup Solution: Data backup is essential to prevent data loss due to hardware failures, accidents, or malware. This hard drive can serve as a reliable backup solution for your critical files and documents.
  • Home Server/NAS: If you're setting up a home server or network-attached storage (NAS) device, this drive can provide a considerable amount of storage space for media streaming, file sharing, and data backup within your local network.
  • Archiving: The WD20EARX is suitable for archiving important documents, financial records, and digital archives. Its energy-efficient design is ideal for long-term storage needs.
  • Multimedia Editing: For creative professionals who work with large media files (video, audio, or high-resolution images), the high-capacity and energy-efficient operation of this drive makes it a good choice for storing and editing multimedia projects.
  • Gaming Library: Gamers with extensive game libraries will appreciate the ample storage space to store their game installations, save files, and downloadable content.
  • General Data Storage: Whether you need to store work-related files, personal documents, or software installations, this hard drive provides plenty of space for various data storage needs.
High-speed Data Transfer

The WD20EARX Western Digital 2TB 5.4K RPM SATA 6GBPS Hard Disk is designed to provide fast and reliable performance. With a rotation speed of 5400 RPM, the drive is able to quickly access and retrieve stored data. The SATA III (6 Gb/s) interface also allows for faster data transfer speeds which can result in improved system performance. Additionally, the hard drive's 2 terabytes of storage capacity allows for ample space to store large amounts of data, including high-definition videos, music collections, and large numbers of photos and documents.

However, it's worth noting that the drive is not a high-performance drive and it may not be the best choice for heavy workloads or high-performance computing tasks. For those needs, consider using SSD drives.

Reliability and Durability

The WD20EARX Western Digital 2TB 5.4K RPM SATA 6GBPS Hard Disk is designed to be a reliable and durable storage solution. Western Digital, the manufacturer of this hard drive, has a reputation for producing high-quality storage devices that are built to last.

The drive uses high-quality components and is built to withstand normal wear and tear. It also undergoes rigorous testing to ensure that it can withstand typical operating conditions. Additionally, the drive is equipped with advanced features such as error recovery control, which can help protect your data in the event of a power failure or other unexpected interruption.

However, as with any electronic device, hard drives can fail and it's always a good idea to have a backup of your data. It's also important to note that mechanical hard drives, such as the WD20EARX, are more likely to fail than SSDs. To increase the reliability and durability of the hard drive, it's a good idea to use it in a cool and dry environment, not to expose it to severe vibration, and to handle it with care.

General Information about this Western Digital WD20EARX
  • Manufacturer: Western Digital
  • Part Number or SKU# WD20EARX
  • Product Type: Hard Disk Drive
  • Interface: SATA 6GBPS
Technical Information for 2 TB Hard Drive
  • Capacity: 2 TB Storage
  • Form Factor: 3.5-inch
  • Cache: 64 MB
  • Spindle Speed: 5400 RPM
  • Average Seek Time: 8.9 ms
  • Drive Interface Type: SATA 6.0 GBPS
Other Information of 6GBPS Hard Disk
  • Stable Trac Technology
  • GreenPower Technology
  • IntelliSeek Technology
  • IntelliPower Technology
  • Native Command Queuing (NCQ)
  • NoTouch ramp load technology
  • Perpendicular Magnetic Recording (PMR)

In summary, the Western Digital WD20EARX Caviar Green 2TB hard drive is a reliable storage solution that offers an impressive 2TB of storage capacity, energy-efficient operation, and a high data transfer rate. Its 5400 RPM rotational speed, SATA III interface, and 64MB buffer size contribute to its overall performance and efficiency.

While it may not be the fastest hard drive on the market, its advantages in terms of energy efficiency, reduced heat generation, quieter operation, and a longer lifespan make it an appealing choice for many users. The WD20EARX is well-suited for multimedia storage, data backup, home server/NAS use, archiving, multimedia editing, and general data storage.

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

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