ST3500320NS Seagate 500GB Hard Disk
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Seagate ST3500320NS 500GB Hard Drive7.2K RPM SATA-II 32MB Refurbished

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Part Number#: ST3500320NS
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Short Description:
ST3500320NS Barracuda 500 Gigabyte(GB) 7200 Revolutions Per Minute (RPM) Serial Advanced Technology Attachment (SATA) 32 Megabyte (MB) Buffer 3.5inch Form Factor Low Profile Internal Hard Disk Drive | Made by Seagate | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of Seagate Hard Drive

The ST3500320NS Barracuda is a type of hard disk drive (HDD) that was made by Seagate, one of the leading companies in the storage industry. This particular hard drive has a storage capacity of 500GB (Gigabyte) and spins at a rate of 7200 Revolutions Per Minute (RPM). It uses a Serial Advanced Technology Attachment (SATA) interface to connect to the computer and has a 32MB buffer. It also has a 3.5-inch form factor and a low-profile design, making it easy to fit into most computer systems.

Welcome to the world of storage excellence with the Seagate ST3500320NS Barracuda 500GB Hard Disk Drive (HDD). In this in-depth guide, we'll explore the key features, technical specifications, and applications that make this drive a standout choice for those seeking reliable and high-performance storage solutions.

Breaking Down Technical Terms

Storage Capacity - 500GB

The 500GB storage capacity of the Seagate ST3500320NS Barracuda HDD offers a substantial amount of space for storing various types of data, ranging from documents and photos to applications and multimedia content.

  • One of the most important features of any hard drive is its storage capacity. The ST3500320NS Barracuda has a capacity of 500GB, which means it can store up to 500 billion bytes of data. This is equivalent to approximately 100,000 songs, 250,000 photos, or 100 hours of high-definition video. The storage capacity of a hard drive is important because it determines how much data you can store on your computer. If you have a lot of files, such as photos, videos, or music, you will need a larger-capacity hard drive to store all of your data.

Rotational Speed - 7200 RPM

The 7200 RPM rotational speed signifies the revolutions per minute of the hard drive platters. This higher speed enhances data access and transfer rates, contributing to a smoother overall system performance.

  • The spindle speed of a hard drive is the rate at which the disk inside the drive spins. The ST3500320NS Barracuda has a spindle speed of 7200 Revolutions Per Minute (RPM), which is a common speed for desktop hard drives. A faster spindle speed can improve the performance of the hard drive, as data can be read and written to the disk more quickly. However, a faster spindle speed can also generate more heat and noise, which can be a concern in some computer systems.

Interface - Serial Advanced Technology Attachment (SATA)

Equipped with a SATA interface, the ST3500320NS ensures a standardized and widely compatible connection for data transfer between the hard drive and the motherboard. SATA is a popular and reliable interface used in modern computing.

  • The interface of a hard drive is the type of connection it uses to communicate with the computer. The ST3500320NS Barracuda uses a Serial Advanced Technology Attachment (SATA) interface, which is a standard interface used by most modern hard drives. SATA interfaces are faster and more reliable than older interfaces, such as Parallel ATA (PATA). They also use smaller cables, which makes them easier to install in tight spaces.
  • The buffer, also known as the cache, is a small amount of memory that is built into the hard drive. The ST3500320NS Barracuda has a 32MB buffer, which is a common size for desktop hard drives. The buffer is used to temporarily store data that is being read from or written to the hard drive. This can improve the performance of the hard drive, as data can be transferred more quickly between the hard drive and the computer.

Buffer - 32 Megabytes (MB)

The 32MB buffer acts as a high-speed temporary storage space, facilitating quick access to frequently used data. It contributes to overall data transfer efficiency and enhances the drive's performance.

Form Factor - 3.5 Inch Low Profile

With a 3.5-inch low-profile form factor, the Seagate Barracuda HDD strikes a balance between compact design and ample storage capacity. The low-profile design makes it suitable for systems with space constraints while still delivering impressive storage capabilities.

  • The form factor of a hard drive refers to its physical size and shape. The ST3500320NS Barracuda has a 3.5-inch form factor, which is a common size for desktop hard drives. This size is larger than the 2.5-inch form factor used by laptop hard drives. The larger size allows for larger storage capacities and faster spindle speeds. The ST3500320NS Barracuda also has a low-profile design, which means it is thinner than some other 3.5-inch hard drives. This can be useful in computer systems where space is limited.

Performance Metrics

Data Transfer Rate - Swift and Efficient

The Seagate Barracuda HDD boasts a swift data transfer rate, ensuring efficient communication between the hard drive and other components. This speed is crucial for tasks such as loading large files or running data-intensive applications.

Use Cases

Versatile Storage Solution

The Seagate ST3500320NS Barracuda HDD's versatile 500GB capacity makes it an ideal solution for various storage needs. Whether you're a casual user with everyday computing requirements or a professional handling data-intensive tasks, this HDD caters to a broad spectrum of applications.

Multimedia Storage

For users dealing with large multimedia files such as high-definition videos, high-resolution photos, or extensive music libraries, the 500GB capacity ensures that you have ample space to store and access your media files conveniently.

Gaming Enthusiasts

Gamers will appreciate the fast data transfer rates and ample storage space offered by the Seagate Barracuda HDD. It accommodates the storage demands of modern games, allowing for quick loading times and a seamless gaming experience.

Productivity and Business

Professionals and businesses can rely on the Seagate Barracuda HDD for storing documents, presentations, databases, and other essential data. Its performance and capacity make it suitable for demanding business applications.

Data Backup and Archiving

The 500GB capacity is well-suited for data backup and archiving purposes. Whether you're safeguarding important documents or creating backups of critical files, the Seagate Barracuda HDD provides a reliable and spacious solution.


Widespread Compatibility: The SATA interface ensures compatibility with a wide range of systems, making the Seagate Barracuda HDD a versatile choice for various desktop computers, workstations, and storage configurations.

Internal vs. External

The ST3500320NS Barracuda is an internal hard drive, which means it is designed to be installed inside a desktop computer. Internal hard drives are usually faster and more reliable than external hard drives, as they do not have to rely on a separate interface to communicate with the computer. However, internal hard drives can be more difficult to install and may require some technical knowledge.

General Information about the Seagate ST3500320NS

  • Manufacturer: Seagate
  • Model Number or SKU# ST3500320NS
  • Product Line: Barracuda
  • Product Type: Hard Disk Drive (HDD)
  • HDD-Type: SATA-II

Technical Information of 500GB 7.2K RPM Hard Drive

  • Storage Capacity: 500GB
  • Rotational Speed: 7200 RPM
  • Buffer: 32 Megabytes (MB)
  • Data Transfer Rate: 300 Megabits Per Second (MBPS) Maximum External
  • Seek Time (Average Read Typical): 8.5 Milliseconds (MS)
  • Seek Time (Average Write Typical): 9.5 MS
  • Latency (Average): 4.16 MS
  • Interfaces/Ports: 1 X 7-Pin Serial ATA/300 Serial ATA
  • MTBF (Mean Time Between Failures): 1.2 Million Hours

In summary, the Seagate ST3500320NS Barracuda emerges as a storage powerhouse designed to meet the demands of modern computing. With its generous 500GB capacity, swift 7200 RPM speed, and versatile applications, it proves to be a reliable and efficient choice for a myriad of storage needs.

Investing in the Seagate Barracuda ST3500320NS means embracing a storage solution that seamlessly balances capacity, speed, and versatility. Whether you're a casual user, multimedia enthusiast, gamer, or content creator, this hard drive stands ready to elevate your storage experience.

Make the smart choice for your storage needs with the Seagate ST3500320NS Barracuda - where performance meets reliability in a compact and powerful design. Elevate your storage game with a hard drive that's engineered to exceed expectations and cater to the diverse needs of the digital age.

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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