Seagate ST31500541AS 1.5TB Hard Drive
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Seagate ST31500541AS 1.5TB 5.9K RPM HDD SATA 3GBPS Form Bulk

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Part Number#: ST31500541AS
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Short Description:
ST31500541AS Barracuda 1.5 Terabytes (TB) 5900 Revolutions Per Minute (RPM) Serial Advanced Technology Attachment (SATA) 3 Gigabit Per Second (GBPS) 3.5 inch Form Factor 32 Megabytes (MB) Buffer Internal Hard Disk Drive | Made by Seagate | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

More Information on the HDD

Hard Disk Drives (HDDs) are the most common type of storage device used in personal computers and laptops. They are responsible for storing all of the data on a computer, including the operating system, programs, documents, pictures, videos, and more. The ST31500541AS is a specific model of HDD manufactured by Seagate, which is designed for internal use in desktop computers and workstations.

  • In the ever-evolving landscape of digital storage solutions, Seagate has emerged as a prominent player, consistently pushing the boundaries of performance and capacity. The Seagate ST31500541AS Barracuda 1.5TB Internal Hard Disk stands as a testament to the brand's commitment to innovation and reliability. In this comprehensive guide, we will delve into the intricate details of this high-capacity storage device, exploring its key features, specifications, and the technology that makes it a standout choice for enthusiasts and professionals alike.

Key Features

Impressive Storage Capacity (1.5 Terabytes)

  • The Seagate Barracuda 1.5TB Internal Hard Disk boasts an impressive storage capacity of 1.5 terabytes. This substantial storage space makes it an ideal choice for users who demand ample room for storing large files, multimedia content, and data-intensive applications.

Optimized Rotational Speed (5900 RPM)

  • The rotational speed of a hard disk drive (HDD) significantly influences its data transfer rate. The Barracuda operates at 5900 revolutions per minute (RPM), striking a balance between speed and power consumption. This optimized rotational speed ensures swift data access and transfer, enhancing overall system performance.

Serial Advanced Technology Attachment (SATA) Interface

  • The SATA interface is a standard connection protocol for data storage devices. The Seagate Barracuda employs SATA, specifically SATA 3 gigabits per second (GBPS). This interface ensures seamless compatibility with a wide range of systems and facilitates high-speed data transfer between the hard disk and the motherboard.

3.5-inch Form Factor

  • The physical size of a storage device is a critical factor, especially when considering compatibility with desktop systems. The Seagate Barracuda adopts a 3.5-inch form factor, making it well-suited for integration into standard desktop configurations. This form factor strikes a balance between space efficiency and the need for ample storage capacity.

Large Buffer Size (32 Megabytes)

  • The internal buffer, or cache, of a hard disk, plays a crucial role in optimizing data access and transfer speeds. The Barracuda incorporates a generous 32 megabytes (MB) of buffer, enhancing its ability to handle concurrent data requests efficiently. This large buffer size contributes to a smoother user experience, particularly in scenarios involving multitasking and data-intensive operations.

Technology Behind the Performance

Perpendicular Magnetic Recording (PMR) Technology

  • Seagate incorporates Perpendicular Magnetic Recording (PMR) technology in the Barracuda series. PMR allows for higher data density on the magnetic platters, enabling the storage of more data in the same physical space. This advancement in recording technology contributes to the drive's impressive storage capacity.

Advanced Format Technology

  • Advanced Format Technology is another innovative feature embedded in the Barracuda series. This technology enhances the efficiency of data storage by using larger physical sector sizes, reducing the amount of overhead information required for each sector. The result is improved data integrity and more efficient use of available storage space.

Noise Reduction Technologies

  • Hard disk drives are notorious for generating noise during operation. Seagate addresses this concern with noise reduction technologies integrated into the Barracuda series. These technologies aim to minimize operational noise, providing a quieter computing environment without compromising performance.

Reliability and Durability

MTBF (Mean Time Between Failures)

  • The Mean Time Between Failures (MTBF) is a crucial metric indicating the average time a device is expected to operate before experiencing a failure. The Barracuda series demonstrates a commendable MTBF, reflecting Seagate's commitment to delivering reliable and durable storage solutions.

Shock and Vibration Resistance

  • The internal components of a hard disk drive are susceptible to physical shocks and vibrations, which can impact performance and data integrity. Seagate addresses this concern by designing the Barracuda series with enhanced shock and vibration resistance, ensuring the drive can withstand the rigors of everyday use.

Power Consumption

  • The drive consumes approximately 6.8 watts of power when operating, which is a relatively low amount of power compared to other HDDs on the market. When the drive is idle, it consumes only 2.7 watts of power, which makes it an energy-efficient option for those who are concerned about their electricity bill or the environment.


  • The ST31500541AS is compatible with most modern desktop computers and workstations that have a SATA interface. It is important to note that the drive requires a power supply of 12 volts and 2 amperes (A) to operate. If your computer's power supply does not meet these requirements, you may need to upgrade it before installing the drive.


  • The ST31500541AS has a mean time between failures (MTBF) rating of 1.2 million hours. This means that the drive is expected to function correctly for 1.2 million hours before it fails. While this is an impressive rating, it is important to note that it is not a guarantee that the drive will last this long. The actual lifespan of the drive can vary depending on a variety of factors, including usage, temperature, and environmental conditions.

Specifications about this Seagate ST31500541AS

  • Manufacturer: Seagate
  • Part Number or SKU# ST31500541AS
  • Product Type: SATA 3GBPS
  • Type: Hard Disk Drive

Technical Feature of HDD

  • Cache: 32MB
  • Capacity: 1.5 TB
  • Areal Density (AVG): 341.5 GBits/Inch²


  • Spindle Speed: 5900 RPM
  • Average Latency: 5.1 Msec
  • Random Read Seek Time: 16.0 Msec
  • Random Write Seek Time: 16.0 Msec

Outline, the ST31500541AS is a high-capacity HDD manufactured by Seagate that is designed for internal use in desktop computers and workstations. It has a storage capacity of 1.5TB, a rotational speed of 5.9K RPM, and a SATA interface that allows for data transfer speeds of up to 3Gbps. The drive has a 32MB cache, is lightweight, consumes low power, and is compatible with most modern desktop computers and workstations. While the drive has a high MTBF rating, its actual lifespan can vary depending on usage and environmental conditions.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 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.

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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.

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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).

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