Seagate ST3250820AV 250GB Hard Drive
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Seagate ST3250820AV 250GB ATA 7.2K Hard Drive 8MB Buffer Refurbished

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Part Number#: ST3250820AV
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Short Description:
ST3250820AV 250 Gigabytes(GB) 7200 Revolutions Per Minute (RPM) 8 Megabytes (MB) Buffer Ultra Advanced Technology Attachment (ATA) 3.5Inch Hard Disk Drive | Made by Seagate | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview

The Seagate ST3250820AV is a hard disk drive that has a storage capacity of 250GB. It is an ATA hard drive that operates at a speed of 7,200 revolutions per minute (RPM). The hard drive also features an 8MB buffer size and is designed for use in high-performance computing applications. In this article, we will discuss the features and benefits of the Seagate ST3250820AV hard drive in detail.

In the world of data storage, hard disk drives (HDDs) are essential components for many electronic devices, including computers, gaming consoles, and digital video recorders. One of the notable HDDs in the market is the Seagate ST3250820AV, a 250GB 3.5-inch hard disk drive with 7200 revolutions per minute (RPM) and an 8MB buffer. This article will provide an in-depth explanation of the Seagate ST3250820AV, discussing its features, specifications, and the technology that makes it stand out in the ever-evolving world of data storage.

Understanding the Seagate ST3250820AV

The Seagate ST3250820AV is a 3.5-inch hard disk drive designed to meet the storage needs of various applications, particularly those requiring reliability, speed, and ample capacity. It is a part of Seagate's AV (Audio/Video) series, which focuses on providing seamless media playback and recording performance. The key features of this hard disk drive include its 250GB storage capacity, 7200 RPM spindle speed, and an 8MB buffer. Let's delve into these features and specifications to understand the Seagate ST3250820AV better.

Ultra Advanced Technology Attachment

The Seagate ST3250820AV specifically uses the Ultra ATA version of the ATA interface. Ultra ATA, often referred to as IDE (Integrated Drive Electronics), is an enhanced version of the ATA standard. It offers faster data transfer speeds and improved performance compared to the original ATA interface. While Serial ATA (SATA) has largely replaced PATA in modern computers, the Seagate ST3250820AV's use of Ultra ATA is still relevant for older systems and certain legacy applications.

Storage Capacity: 250GB

The Seagate ST3250820AV offers a generous storage capacity of 250 gigabytes (GB). This amount of storage space is suitable for storing a vast array of data, including documents, photos, music, videos, and applications. Whether you are a home user, a small business owner, or a content creator, having 250GB of storage at your disposal allows you to manage and access your data efficiently.

Spindle Speed: 7200 RPM

The rotational speed of a hard disk drive's platters, known as RPM, is a critical factor that influences its performance. The Seagate ST3250820AV operates at 7200 RPM, which is considered a high-speed setting for consumer-grade HDDs. This means that the drive's platters spin at 7200 revolutions per minute, enabling fast data access and transfer rates. This speed is particularly important for tasks that require quick data retrieval, such as video editing and gaming.

Buffer Size: 8MB

The Seagate ST3250820AV is equipped with an 8-megabyte (MB) buffer. The buffer, also known as the cache, plays a significant role in enhancing the HDD's performance. It acts as a temporary storage space for frequently accessed data, allowing the drive to respond more quickly to read and write requests. A larger buffer size, such as the 8MB found in this HDD, improves overall system responsiveness and reduces latency when accessing data.

Form Factor: 3.5-Inch

The Seagate ST3250820AV comes in a 3.5-inch form factor. This refers to the physical size of the drive, and 3.5 inches is a common size for desktop hard disk drives. The 3.5-inch form factor is larger than the 2.5-inch form factor typically found in laptops and portable external hard drives. While it may not be suitable for mobile devices, the 3.5-inch size offers advantages in terms of increased storage capacity and improved cooling, making it an ideal choice for desktop computers.

Advanced Technology Attachment (ATA)

The Seagate ST3250820AV utilizes the Advanced Technology Attachment (ATA) interface for connecting to a computer or other devices. ATA, also known as Parallel ATA (PATA), is a standard interface used for connecting storage devices to the motherboard of a computer. The ATA interface is widely supported and compatible with most desktop computers, making it a reliable and versatile choice for the Seagate ST3250820AV.

Technology Behind the Seagate ST3250820AV

To provide a comprehensive understanding of the Seagate ST3250820AV, it's essential to explore the technology that makes this hard disk drive a reliable and efficient storage solution.

ATA Interface
  • The Seagate ST3250820AV hard drive uses an ATA interface. ATA, or Advanced Technology Attachment, is a standard interface used to connect storage devices such as hard drives and solid-state drives to a computer. The ATA interface provides a reliable and fast connection between the hard drive and the computer.
  • The Seagate ST3250820AV hard drive operates at a speed of 7,200 RPM. This high speed allows the hard drive to access and transfer data quickly. This is especially important for high-performance computing applications that require fast data transfer rates.
  • The Seagate ST3250820AV hard drive features an 8MB buffer. The buffer is a small amount of memory that is used to temporarily store data as it is being transferred to and from the hard drive. The larger the buffer size, the more data that can be transferred at one time, resulting in faster transfer rates.
Ultra ATA

The Seagate ST3250820AV hard drive uses Ultra ATA technology. Ultra ATA is an extension of the ATA interface that provides faster data transfer rates. This technology allows the hard drive to transfer data at speeds of up to 133 megabytes per second (MB/s).

Benefits of Choosing the Seagate ST3250820AV:

When considering a hard disk drive for your storage needs, it's essential to understand the advantages of choosing the Seagate ST3250820AV:

High Capacity

The 250GB storage capacity of the Seagate ST3250820AV provides ample space for a wide range of data, from documents and photos to multimedia content. Whether you need to store personal files or professional projects, this hard disk drive offers the capacity you require.

Speed and Performance

The 7200 RPM spindle speed and 8MB buffer contribute to the Seagate ST3250820AV's exceptional speed and performance. It ensures that data access and transfer occur swiftly, making it an excellent choice for tasks that demand quick response times.

Quiet Operation

The drive's quiet operation is a notable feature, making it suitable for environments where noise can be a concern. It ensures that the drive operates discreetly without disturbing users.

Data Security

Seagate's DriveTrust technology allows users to add a layer of security by setting a password to protect their data. This feature is particularly valuable for those who need to safeguard sensitive information.

Reliability and Durability

The Seagate ST3250820AV is built to withstand continuous operation and is designed for reliability and durability. Its error-correction capabilities and shock tolerance ensure data integrity and longevity.


The Seagate ST3250820AV hard drive is compatible with a wide range of computers and operating systems. It can be used with both Windows and Mac computers, as well as with many Linux distributions.

Main Information about this Seagate EF0450FARMV
  • Manufacturer: Seagate
  • Part Number or SKU# EF0450FARMV
  • Product Type: Hard Disk Drive
Technical specifications
  • Storage Capacity: 250 GB
  • Interface Type: Serial ATA-300
  • Buffer Size: 8 MB
  • Drive Transfer Rate: 300 MBPS External/ 78 MBPS Internal
  • Seek Time: 8.5 MS (Average)
  • Average Latency: 4.16 MS
  • Spindle Speed: 7200 RPM

In summary, the Seagate ST3250820AV 250GB 7200 RPM 8MB Buffer 3.5-Inch Hard Disk Drive offers a blend of features and technology that caters to various storage needs, from home entertainment systems to legacy applications. Its ample storage capacity, fast data access, compatibility with older systems, quiet operation, and data security features make it a reliable choice for a range of applications. However, users should consider their specific requirements and system compatibility before making a purchase. Understanding the Seagate ST3250820AV's strengths and limitations ensures that it serves its intended purpose effectively. Whether you're a multimedia enthusiast, content creator, or looking to upgrade an older system, the Seagate ST3250820AV is a versatile storage solution worth considering.

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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Shipping Options and Estimated Delivery Time

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FedEx Shipping Options:

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Worldwide Shipping Options:

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UPS®/FedEx® Ground Shipping Canada

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Important notes:

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