Western Digital HUS724040ALS640 6GBPS Hard Drive
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Western Digital HUS724040ALS640 4TB 7.2K RPM SAS-6GBPS 64MB Refurbished

Availability: In Stock
Part Number#: HUS724040ALS640
List Price was: $657.58
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Short Description:
HUS724040ALS640 4 Terabytes (TB) 7200 Revolutions Per Minute (RPM) Serial-Attached SCSI (SAS) 6 Gigabytes Per Second (GBPS) Ultrastar 7K4000 64 Megabyte (MB) Buffer Hard Disk Drive | Made by Western Digital | Refurbished
Western Digital
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Western Digital 4TB HDD

In the ever-evolving landscape of digital storage, Western Digital has emerged as a prominent player, consistently pushing the boundaries of innovation. One of its stellar offerings, the Western Digital HUS724040ALS640, is a 4 Terabyte (TB) Hard Disk Drive (HDD) that stands out in the market. In this comprehensive guide, we will delve into the intricacies of this powerful storage solution, exploring its key features and why it's a go-to choice for storage enthusiasts and professionals alike.

Key SpecificationsStorage Capacity: 4 Terabytes (TB)

The Western Digital HUS724040ALS640 boasts an impressive storage capacity of 4 terabytes, making it suitable for a wide range of applications. Whether you're a content creator, business professional, or a gamer with an extensive library, this HDD ensures ample space for your digital assets.

Rotational Speed: 7200 Revolutions Per Minute (RPM)

Speed is of the essence in the world of storage, and the HUS724040ALS640 doesn't disappoint. With a rotational speed of 7200 RPM, this HDD delivers swift data access and retrieval, minimizing latency and enhancing overall system performance.

Interface: Serial-Attached SCSI (SAS)

The Serial-Attached SCSI (SAS) interface sets this HDD apart, providing a high-speed and reliable connection to your system. SAS technology is renowned for its superior performance and scalability, making it an ideal choice for enterprise-level storage solutions.

Data Transfer Rate: 6 Gigabytes Per Second (GBPS)

Efficient data transfer is a crucial aspect of any storage device, and the HUS724040ALS640 excels in this department. With a blazing-fast data transfer rate of 6 gigabytes per second (GBPS), this HDD ensures swift and seamless data exchange between the storage drive and the connected system.

Buffer Size: 64 Megabytes (MB)

The 64-megabyte (MB) buffer size further enhances the performance of the HUS724040ALS640. The buffer acts as a temporary storage area, allowing the HDD to quickly access frequently used data and reducing read/write times. This, in turn, contributes to a smoother overall user experience.

Ultrastar 7K4000: Unleashing Performance and ReliabilityUltrastar Technology

At the heart of the HUS724040ALS640 lies Western Digital's Ultrastar technology. This technology is designed to deliver exceptional reliability, performance, and efficiency, making it a preferred choice for demanding storage environments. Whether you're running data-intensive applications or managing large-scale databases, the Ultrastar 7K4000 is engineered to meet your needs.

Advanced Error Recovery

Data integrity is paramount, especially in critical applications. The HUS724040ALS640 incorporates advanced error recovery mechanisms, ensuring that data remains intact and accessible even in the face of potential errors. This feature is particularly crucial in enterprise settings where uninterrupted data access is non-negotiable.

Industry-Leading Durability

Durability is a hallmark of Western Digital's Ultrastar series. The 7K4000 is no exception, designed to withstand the rigors of continuous operation. Whether deployed in a server farm or as part of a high-performance computing system, this HDD is built to endure the demands of 24/7 usage.

Use Cases and ApplicationsEnterprise Storage Solutions

The HUS724040ALS640 is tailor-made for enterprise storage solutions. Its high capacity, fast data transfer rate, and SAS interface make it an ideal choice for businesses dealing with massive datasets and demanding workloads. From data centers to cloud storage infrastructure, this HDD delivers the performance and reliability required in enterprise settings.

Media and Entertainment

For content creators and media professionals, storage is a critical aspect of their workflow. The 4TB capacity of the HUS724040ALS640 provides ample space for high-resolution videos, graphic assets, and other media files. The fast data transfer rate ensures that editing and rendering processes are smooth and efficient.

Gaming Enthusiasts

Gamers, too, benefit from the HUS724040ALS640's robust performance. The large storage capacity accommodates extensive game libraries, while the high RPM and fast data transfer rate contribute to reduced loading times and an immersive gaming experience. Whether you're a casual gamer or a hardcore enthusiast, this HDD adds a significant boost to your gaming setup.

Compatibility Across Systems

The versatility of the HUS724040ALS640 extends to its compatibility with various operating systems. Whether you're using Windows, macOS, or Linux, this HDD seamlessly integrates into different environments, providing users with flexibility and choice in their computing setups.

Firmware Updates

Regular firmware updates are crucial for optimizing performance and addressing potential vulnerabilities. Western Digital provides firmware updates for the HUS724040ALS640, ensuring that users can keep their storage solution up-to-date with the latest improvements and security enhancements.

General Information about the Western Digital HUS724040ALS640 SAS-6GBPS
  • Manufacturer: Western Digital
  • Part Number or SKU#: HUS724040ALS640
  • Product Type: Hard Disk Drive
  • Sub-Type : SAS-6GBPS
Technical Features of SAS-6GBPS Hard Drive
  • Product Line: Ultrastar
  • Interface: 4TB-7.2K RPM
  • Product Series: 7K4000
  • Storage Capacity: 4 TB
  • From Factor: 3.5 Inch
  • Areal Density (Maximum): 475 GBITS/SQ. IN.
  • Load/Unload Cycles (At 40° C): 600000
  • Mtbf: 2 Million Hours
Performance for this 4TB-7.2K RPM Hard Disk Drive
  • Average Seek Time: 8.0 MS
  • Rotational Speed: 7.2K RPM
  • Buffer: 64 MB
  • Interface Transfer Rate (Maximum): 600 MBPS
  • Sustained Transfer Rate (Typical): 172 MBPS
Environmental (operating)
  • Ambient Temperature: 5º To 60º C
  • Shock (half-sine Wave 2 Ms, G): 70
  • Vibration, Random (g Rms 5 To 500 Hz): 0.67 (xyz)

In short, the Western Digital HUS724040ALS640 4TB SAS HDD is a powerhouse in the realm of storage solutions. With its impressive storage capacity, high rotational speed, SAS interface, and Ultrastar technology, it caters to the needs of a diverse user base, from enterprise clients to content creators and gamers. Its ease of installation, compatibility across different systems, and focus on longevity make it a reliable choice for those seeking a high-performance and durable storage solution. Whether you're upgrading your storage infrastructure or building a new system, the HUS724040ALS640 stands out as a testament to Western Digital's commitment to excellence in the world of digital storage.

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.
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Important notes:

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

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
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FedEx Priority Overnight®
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Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

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UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

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