Seagate ST31000340NS 1TB Hard Drive
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Seagate ST31000340NS 1TB Hard Drive 7.2K RPM SATA-II 32MB Refurbished

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Part Number#: ST31000340NS
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Short Description:
ST31000340NS Barracuda 1TB Terabytes (TB)7200 RPM Serial Advanced Technology Attachment (SATA)-II 32MB (Megabyte) Buffer 3.5 Inch Hot Swapp Hard Disk Drive | Made by Seagate | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Overview of the Seagate ST31000340NS 1TB Hard Disk

In the ever-evolving landscape of technology, storage solutions play a pivotal role in ensuring the seamless functioning of various devices. The Seagate ST31000340NS Barracuda 1TB Hard Disk Drive (HDD) is one such storage solution that has garnered attention for its impressive features. In this review, we will delve into the key aspects of the Seagate ST31000340NS, exploring its capacity, speed, technology, and design, with a focus on its relevance in contemporary computing environments.

Storage Capacity (1TB)

The Seagate ST31000340NS offers a substantial 1TB of storage capacity, making it suitable for users with diverse storage needs. Whether you are a casual user with multimedia files or a professional managing large datasets, the 1TB capacity provides ample space for storing documents, photos, videos, and applications.

Spindle Speed (7200 RPM)

The rotational speed of a hard disk drive's platters significantly influences its data transfer rate and overall performance. The Seagate ST31000340NS boasts a 7200 RPM spindle speed, indicating that the platters rotate at 7200 revolutions per minute. This higher speed enhances the drive's data access and transfer speeds compared to slower RPM drives, resulting in quicker file access and reduced latency.

SATA-II Interface

The Serial Advanced Technology Attachment (SATA) interface is a crucial factor in determining how quickly data can be transferred between the hard disk drive and the computer's motherboard. The Seagate ST31000340NS features a SATA-II interface, supporting data transfer rates of up to 3.0 Gb/s. This interface ensures efficient communication between the HDD and the system, facilitating smoother data access and transfer processes.

Buffer Size (32MB)

The 32MB buffer (also known as cache) in the Seagate ST31000340NS plays a pivotal role in temporarily storing frequently accessed data. This cache allows for quicker retrieval of information, particularly in scenarios where repetitive or sequential data access is common. A larger buffer size contributes to improved read and write speeds, enhancing overall system performance.

Form Factor (3.5 Inch)

The 3.5-inch form factor of the Seagate ST31000340NS is a standard size for desktop hard disk drives. This form factor ensures compatibility with a wide range of desktop computers and server configurations. The larger form factor also allows for greater storage capacity compared to smaller drives, making it a suitable choice for users requiring higher amounts of storage space.

Hot Swappable

The Seagate ST31000340NS is hot-swappable, meaning it can be replaced or removed without shutting down the system. This feature is particularly valuable in environments where continuous operation is critical, such as servers or network-attached storage (NAS) systems. Hot-swappability minimizes downtime and contributes to system reliability.

Connectivity Matters: SATA-II Interface for Seamless Integration

The Serial Advanced Technology Attachment (SATA) interface is a defining aspect of modern hard drives, and the Seagate ST31000340NS Barracuda adheres to the SATA-II standard. The SATA-II interface offers a high-speed data transfer rate, enhancing the overall performance of the hard drive. Additionally, the SATA-II interface ensures compatibility with a wide range of devices, making it easy to integrate the Barracuda into various systems seamlessly.

Performance and User Experience

The Seagate ST31000340NS Barracuda 1TB HDD is designed to deliver reliable performance across various applications. Its combination of a 7200 RPM spindle speed, SATA-II interface, and a sizable 32MB buffer translates to efficient data handling. Users can expect quicker boot times, faster application loading, and smoother multitasking experiences.

Additionally, the hot-swappable nature of the Seagate ST31000340NS adds a layer of convenience for users in business environments. The ability to replace or upgrade the hard drive without interrupting operations is a valuable feature for businesses that require continuous uptime.

Reliability and Durability

Seagate is a well-established name in the storage industry, known for producing reliable and durable hard disk drives. The Barracuda series, including the ST31000340NS model, is built with quality components to ensure long-term reliability. The drive's 7200 RPM spindle speed, though contributing to performance, is also indicative of a robust mechanical design.

Furthermore, Seagate implements technologies such as Error Correction Code (ECC) to enhance data integrity and reliability. ECC helps detect and correct errors that may occur during data storage and retrieval processes, minimizing the risk of data corruption.


The Seagate ST31000340NS is designed for compatibility with a range of systems, including desktop computers and servers. Its standard 3.5-inch form factor ensures easy in most desktop computer cases, while its SATA-II interface allows for seamless integration with motherboards supporting SATA connectivity.

The hot-swappable feature enhances compatibility with systems designed for continuous operation, providing flexibility for system administrators and IT professionals. However, users should always check the compatibility of the drive with their specific hardware and operating system before making a purchase.

Energy Efficiency and Noise

In addition to performance and reliability, energy efficiency is a critical consideration in contemporary computing. The Seagate ST31000340NS is designed to balance performance with energy conservation. The drive incorporates power management features that optimize energy usage based on the drive's activity level, contributing to lower power consumption during periods of inactivity.

Moreover, the drive's mechanical design and motor control contribute to reduced noise levels during operation. This is particularly important for users who prioritize a quiet computing environment, such as those using the drive in a home office or media center.

Rotational Speed of 1TB Hard Disk Drive

The ST31000340NS Barracuda 1TB Hard Disk Drive features a rotational speed of 7200 revolutions per minute (RPM). The rotational speed is the number of times the disk platters rotate in a minute. A higher rotational speed generally translates to faster data transfer rates and improved performance.

The 7200 RPM rotational speed of the ST31000340NS Barracuda hard drive allows for quick access to data, making it suitable for use in high-performance computing systems. It is also ideal for users who require fast read and write speeds for their data, such as gamers and content creators.

Genaral Information about the Seagate ST31000340NS
  • Brand Name: Seagate
  • Model Number or SKU# ST31000340NS
  • Device Type: Hard Disk Drive (HDD)
  • HDD Type : SATA-II
Technical Information about 1TB HDD
  • Storage Capacity: 1000 GB (1 TB)
  • Rotational Speed: 7200 RPM
  • Buffer: 32 MBytes
  • Data Transfer Rate: 300 MBPS External
  • Seek Time: 8.5 MS Average Read Typical
  • Seek Time: 9.5 MS Average Write Typical
  • Latency: 4.16 MS Average
  • Interfaces/Ports: 1 X 7-Pin Serial ATA/300 Serial ATA
  • Mtbf: 1.2 Mhousrs

Finally, the Seagate ST31000340NS Barracuda 1TB Hard Disk Drive emerges as a robust storage solution that combines ample capacity, high-speed performance, and versatile connectivity. Whether you are a multimedia enthusiast, a professional requiring substantial data storage, or a gamer seeking rapid data access, the Barracuda ticks all the boxes. Its 7200 RPM speed, SATA-II interface, generous 32MB cache, and hot-swappable design make it a compelling choice in the competitive landscape of hard drives. With the Seagate ST31000340NS Barracuda, users can expect a seamless and efficient storage experience, backed by the reliability and innovation that Seagate is renowned for in the realm of digital storage.

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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