Seagate ST3250820AS 250GB Hard Disk Drive
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ST3250820AS Seagate Barracuda 250GB 7.2K RPM 8MB Buffer Form Refurbished

Availability: In Stock
Part Number#: ST3250820AS
List Price was: $1330.30
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Short Description:
ST3250820AS Barracuda 250 Gigabyte(GB) 7200 Revolutions Per Minute(RPM) 8 Megabytes(MB) Buffer 3.5Inch Large Form Factor (LFF) Serial Advanced Technology Attachment (SATA) 300 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 designed for use in personal computers and other electronic devices. It has a capacity of 250GB, which means it can store a large amount of data, including operating systems, software, and media files. In this article, we will take a closer look at the features and specifications of this hard drive.

Capacity and Speed

As mentioned earlier, the Seagate ST3250820AV has a storage capacity of 250GB. This means it can store up to 250 billion bytes of data. To put this into perspective, a standard DVD can hold up to 4.7GB of data, which means this hard drive can store the equivalent of 53 DVDs.

In terms of speed, the Seagate ST3250820AV has a rotation speed of 7,200 revolutions per minute (RPM). This means that the disk inside the hard drive spins at a rate of 7,200 times per minute. The faster the disk spins, the faster the hard drive can access data, which results in quicker read and write times.

Buffer Size

The Seagate ST3250820AV has a buffer size of 8MB. The buffer, also known as cache, is a small amount of memory located on the hard drive itself. This memory is used to temporarily store data that is frequently accessed, allowing for faster access times. The larger the buffer size, the more data that can be stored, and the faster the hard drive can access frequently used data.

ATA Interface

The Seagate ST3250820AV uses an ATA interface, which stands for Advanced Technology Attachment. This interface is used to connect the hard drive to the motherboard of a computer or other electronic device. The ATA interface has been around since the early days of personal computers, and it is still used in many devices today.

The ATA interface used by the Seagate ST3250820AV is the Parallel ATA (PATA) interface. This interface uses a 40-pin connector to connect to the motherboard. It also uses a ribbon cable to connect to the motherboard, which can limit the airflow in a computer case, potentially causing overheating. However, this interface is still used today in some devices due to its simplicity and compatibility with older systems.

Ultra ATA

The Seagate ST3250820AV also supports Ultra ATA, also known as Ultra DMA. This is a technology that was introduced in the mid-1990s to increase the data transfer rate of hard drives. Ultra ATA supports data transfer rates of up to 133 megabytes per second (MB/s), which is significantly faster than the original ATA interface.


The Seagate ST3250820AV is compatible with a wide range of operating systems, including Windows, Mac, and Linux. It is also compatible with a variety of personal computers and electronic devices. However, it is important to ensure that the device you plan to use this hard drive in has an ATA interface and supports a 250GB hard drive.

In summary, the Seagate ST3250820AV is a hard disk drive designed for use in personal computers and other electronic devices. It has a storage capacity of 250GB, a rotation speed of 7,200 RPM, and a buffer size of 8MB. It uses an ATA interface and supports Ultra ATA technology for faster data transfer rates. It is compatible with a variety of operating systems and devices, making it a versatile choice for those in need of additional storage space.

Main Information about the Seagate EF0450FARMV
  • Manufacturer: Seagate
  • Part Number or SKU# EF0450FARMV
  • Product Type: 450GB HDD
Technical specificationsSpecifications
  • Manufacturer : Seagate
  • MPN : ST3250820AS
  • Type : Hard Disk Drive (HDD)
  • Sub-Type : SATA-||
  • SKU : ST3250820AS
  • 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
Expansion / Connectivity
  • Interfaces : 1 x Serial ATA-300 - 7 pin Serial ATA
  • Compatible Bays : 1 x internal - 3.5 Inches
Dimension and Weight
  • Width : 4 Inch
  • Depth : 5.8 Inch
  • Height : 1 Inch
  • Weight : 1.52 LBS

Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.

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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

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®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

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®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
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:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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  • You can estimate the shipping cost from the products detail page, also available on the checkout page
  • The shipping cost depends on box dimensions, weight, and zip/postal code
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  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.