Seagate ST20000NT001 20TB HDD
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Seagate ST20000NT001 20TB 7200RPM 512e SATA-6GBPS 256MB New

Availability: In Stock
Part Number#: ST20000NT001
List Price was: $2333.33
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Short Description:
Seagate ST20000NT001 20TB 7200RPM 512e SATA-6GBPS 256MB Buffer Hard Disk Drive | Brand New
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
Product Information of the Seagate ST20000NT001

Seagate ST20000NT001 is a hard disk drive that offers a whopping 20 terabytes of storage space. It has a spindle speed of 7200RPM and a buffer size of 256MB. In this article, we will explain in detail what these specifications mean and how they affect the performance of the hard disk drive.


The Seagate ST20000NT001 has a capacity of 20 terabytes (TB). This means that it can store a large amount of data, including documents, photos, videos, music, and more. To put this into perspective, 20TB is enough to store around 4 million photos or 5,000 hours of high-definition video. This makes the hard disk drive ideal for users who need to store large amounts of data, such as professionals who work with high-resolution images or video content.

Spindle Speed

The spindle speed of a hard disk drive refers to how fast the disk spins. In the case of the Seagate ST20000NT001, the spindle speed is 7200 revolutions per minute (RPM). A higher spindle speed generally results in faster data transfer rates and shorter access times, which means that the hard disk drive can read and write data more quickly. This makes it ideal for applications that require high performance, such as gaming, video editing, or data analysis.

512e Format

The Seagate ST20000NT001 uses the 512e format, which stands for 512-byte emulation. This means that the hard disk drive emulates a 512-byte sector size even though it uses a larger physical sector size. This is done to maintain compatibility with older systems that only support the 512-byte sector size. The 512e format also provides better data protection and error correction capabilities compared to the older 512n format.SATA-6Gbps Interface

The Seagate ST20000NT001 uses the SATA-6Gbps interface, which is a high-speed data transfer interface that provides a maximum transfer rate of 6 gigabits per second (Gbps). This allows the hard disk drive to transfer data quickly between the computer and the hard disk drive. The SATA-6Gbps interface is backward compatible with older SATA interfaces, which means that it can be used with older computers that only support slower transfer rates.

256MB Buffer

The buffer size of a hard disk drive refers to the amount of memory that the hard disk drive uses to temporarily store data that is being read or written. The Seagate ST20000NT001 has a buffer size of 256MB, which is quite large compared to other hard disk drives. A larger buffer size can help to improve the performance of the hard disk drive by reducing the amount of time it takes to read and write data. It can also help to reduce the wear and tear on the hard disk drive by minimizing the number of read/write operations.

General Information ST20000NT001 HDD
  • Manufacturer: Seagate
  • Manufacturer Part Number: ST20000NT001
  • Type: Hard Disk Drive
  • Sub-Type: SATA-6GBPS
Technical Features
  • Capacity : 20 TB
  • Enclosure : Internal
  • Drive Dimensions : 3.5 Inch
  • Sustained Data Transfer Rate Od (max) : 285 Mb/s
  • Interface Ports : Single
  • Buffer : 256 MB
  • Rotational Speed : 7200 RPM
Best-fit Applications
  • Drive Bays Supported : Unlimited
  • Mtbf : 2,500,000 Hours
  • Disk Format : 512e
  • Recording Technology : Conventional Magnetic Recording (cmr)

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:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days


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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.

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