Hitachi HDN724040ALE640 Internal Hard Disk Drive
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Hitachi HDN724040ALE640 4TB SATA 6GBPS Hard Drive 7.2K RPM Bulk

Availability: In Stock
Part Number#: HDN724040ALE640
List Price was: $406.97
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Short Description:
HDN724040ALE640 Deskstar Nas 4 Terabytes (TB) 7200 Revolutions Per Minute (RPM) Serial Advanced Technology Attachment (SATA) 6 Gigabits Per Second (GBPS) 64 Megabytes (MB) Buffer 3.5inch Hard Disk Drive | Made by Hitachi | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days

Product Details of the Hitachi 6GBPS Hard Disk

In the ever-evolving world of technology, storage solutions play a pivotal role in ensuring the smooth functioning of various devices. The Hitachi HDN724040ALE640 4TB SATA 6GBPS Hard Drive is one such storage device that has garnered attention for its impressive specifications and performance capabilities. In this detailed review, we will delve into the key features, technical specifications, performance metrics, and user experiences associated with this hard drive.

Key Features

Storage Capacity

The Hitachi HDN724040ALE640 boasts a generous 4TB storage capacity, making it suitable for users with substantial data storage needs. Whether you're a content creator, professional, or an avid gamer, this capacity provides ample room for large files, applications, and multimedia content.

Speed and Performance

With a rotational speed of 7.2K RPM (Revolutions Per Minute), this hard drive offers impressive data transfer rates. The higher RPM contributes to faster read and write speeds, enhancing overall system performance. This makes it an ideal choice for tasks that demand quick data access, such as video editing and gaming.


The SATA 6GBPS interface ensures a high-speed connection between the hard drive and the computer. SATA (Serial ATA) technology has become the standard for internal hard drives, providing a balance between performance and compatibility. The 6GBPS transfer rate ensures efficient data transfer and compatibility with modern motherboards.

Buffer Size

Equipped with a 64MB buffer, the HDN724040ALE640 efficiently handles data caching. A larger buffer allows for better data transfer rates and improved overall responsiveness. This is particularly beneficial when dealing with large files or multiple simultaneous read/write operations.

Technical Specifications


The 4TB storage capacity accommodates a vast amount of data, ranging from documents and photos to high-definition videos and large software applications.

Rotational Speed

The 7.2K RPM rotational speed ensures that the hard drive's platters spin at a higher rate, reducing data access times and improving performance.

Interface Type

The SATA 6GBPS interface provides a reliable and high-speed connection to the motherboard, ensuring efficient data transfer and compatibility with a wide range of systems.

Buffer Size

The 64MB buffer size acts as a temporary data storage space, facilitating smoother data transfer and better overall performance.

Benefits and Use Cases


The 4TB capacity makes the HDN724040ALE640 versatile enough to cater to various user needs. It is suitable for personal use, professional applications, and even small-scale server environments where ample storage is crucial.

Performance Boost

The combination of a 7.2K RPM rotational speed and a 64MB buffer results in enhanced performance. Users can experience faster file transfers, quicker system boot times, and improved responsiveness during multitasking.


Hitachi is renowned for producing reliable storage solutions, and the HDN724040ALE640 is no exception. The drive is built to withstand the demands of continuous use, ensuring data integrity and longevity.


The SATA 6GBPS interface ensures compatibility with a wide range of systems, from older configurations to modern motherboards. This makes the hard drive a suitable upgrade option for users looking to enhance their system's storage capacity and performance.

Performance Testing


Conduct benchmark tests to evaluate the hard drive's read and write speeds. Compare the results with industry standards to assess its performance against similar storage solutions.

Real-world Performance

Test the hard drive's performance in real-world scenarios. This could include copying large files, installing software, and running applications that demand significant disk access.


Evaluate the hard drive's ability to handle multitasking by running multiple applications simultaneously. Monitor how well it manages data access when subjected to concurrent read and write operations.

Reliability and Longevity

MTBF (Mean Time Between Failures):

Hitachi's reputation for reliability is often reflected in the MTBF metric. Assess the MTBF value of the HDN724040ALE640 to gauge its expected lifespan under normal operating conditions.

General Specifications about the Hitachi HDN724040ALE640

  • Manufacturer: Hitachi
  • Part Number or SKU# HDN724040ALE640
  • Capacity: 4TB
  • Product Type: Hard Disk Drive

Key Feature of 4TB Hard Drive

  • Enclosure: Internal
  • Interface: SATA 6GBPS
  • Buffer: 64 MB
  • MTBF: 1 Million Hours

Performance for SATA 6GBPS Hard Disk

  • External Data Transfer Rate: 600 MBPS
  • Sustained Transfer Rate (Typical): 227 MBPS
  • Rotational Speed: 7.2K RPM

Finally, the Hitachi HDN724040ALE640 4TB Internal Hard Drive impresses with its substantial storage capacity, high rotational speed, and reliable SATA 6GBPS interface. Whether you're upgrading your personal computer or enhancing a small-scale server environment, this hard drive offers a balance of performance, reliability, and versatility. The installation process is straightforward, and its compatibility with a range of systems makes it a practical choice for various users.

As with any hardware, performance testing and monitoring are crucial to ensure optimal functionality. The HDN724040ALE640's real-world performance, multitasking capabilities, and reliability metrics contribute to its overall appeal. With Hitachi's track record for producing durable storage solutions, backed by a competitive warranty, this internal hard drive stands out as a solid investment for users seeking a high-capacity and high-performance storage solution.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 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.

Here, you can check more available conditions of your desired product HDN724040ALE640 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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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:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
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UPS 2nd Day Air®
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UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
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Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

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