Seagate ST32000644NS 2TB Hard Disk
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Seagate ST32000644NS 2TB Constellation 7.2K RPM SATA-II Refurbished

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Part Number#: ST32000644NS
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Short Description:
ST32000644NS Constellation 2 Terabytes (TB) 7200 RPM Serial Advanced Technology Attachment (SATA)-II 64 Megabyte (MB) Buffer Internal Hard Disk Drive | Made by Seagate | Refurbished | Dell OEM
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Overview of the Seagate 2TB Hard Drive

In the ever-evolving landscape of data storage, the Seagate Constellation ST32000644NS stands tall as a formidable force, offering an impressive array of features, including a capacious 2 Terabytes (TB) of storage, a swift 7200 RPM spin speed, a Serial Advanced Technology Attachment (SATA-II) interface, and a substantial 64 Megabyte (MB) buffer. This comprehensive guide aims to dissect the intricacies of the ST32000644NS, providing a detailed exploration of its specifications, capabilities, and the value it brings as an internal hard disk drive.

Key Specifications: Deep Dive into ST32000644NS

Storage Powerhouse: 2 Terabytes (TB)

The ST32000644NS boasts a colossal 2 Terabytes (TB) of storage capacity, positioning it as an ideal choice for users with substantial data storage needs. Whether it's multimedia files, extensive databases, or business documents, this hard drive offers ample space to accommodate diverse data types.

Speed Unleashed: 7200 RPM

One of the standout features is the swift 7200 RPM spin speed. The revolutions per minute (RPM) determine how quickly the hard drive's disks rotate, directly impacting data access speed. With a high RPM, the ST32000644NS ensures faster data retrieval, contributing to a more responsive computing experience.

Efficient Data Transfer: SATA-II Interface

The ST32000644NS incorporates a Serial Advanced Technology Attachment (SATA-II) interface. SATA-II, or SATA 3.0 Gb/s, represents the second generation of SATA technology, providing efficient and high-speed data transfer between the hard drive and the computer. This interface is a standard in modern storage devices, ensuring compatibility and reliability.

Ample Buffer: 64 Megabyte (MB) Buffer

Equipped with a substantial 64 Megabyte (MB) buffer, the hard drive employs this volatile computer memory to enhance data access speed. The buffer acts as a temporary storage space for frequently accessed data, reducing the time it takes for the hard drive to retrieve information and improving overall performance.

Unpacking the Basics: Seagate Constellation ST32000644NS

Introduction to Seagate Constellation Series

Seagate's Constellation series is synonymous with reliability and high-performance storage solutions. The ST32000644NS, a prominent member of this series, embodies Seagate's commitment to providing cutting-edge storage capacity with efficient data access.

Decoding the Model Number: ST32000644NS

Breaking down the model number "ST32000644NS" reveals key details:

  • ST: Identifies Seagate as the manufacturer.
  • 3200: Indicates a capacious 2 Terabytes (TB) storage capacity, catering to modern demands for extensive data storage.
  • 0644: A unique identifier for this specific model.
  • NS: Signifies its association with the Constellation series.

Performance Insights: Navigating the Speed and Efficiency

Sustained Data Transfer: 7200 RPM Efficiency

The sustained data transfer rate of the ST32000644NS, tied to its 7200 RPM spin speed, indicates its ability to consistently read or write data at a rapid pace. This is particularly beneficial for tasks that demand continuous and efficient data handling, such as large file transfers or data-intensive applications.

Latency Matters: 4.16 Milliseconds Average Latency

Average latency measures the time it takes for the desired data sector to rotate under the read/write head. The ST32000644NS boasts an average latency of 4.16 milliseconds, showcasing swift data access and reducing the waiting time for the hard drive to locate and retrieve information.

Seek Time: Quick and Responsive Access

The random read-seek time of 8.5 milliseconds and random write-seek time of 9.5 milliseconds highlight the hard drive's responsiveness in locating and accessing data. Lower seek times contribute to quicker data retrieval, crucial for applications requiring rapid access to stored information.

Choosing ST32000644NS: Practical Overview and Applications

Professional Applications: Meeting Demanding Needs

For professionals dealing with large datasets, multimedia content creation, or server environments, the ST32000644NS proves to be an invaluable asset. Its 2 Terabytes (TB) capacity ensures sufficient space for extensive data storage, while its high RPM and efficient SATA-II interface make it well-suited for demanding professional applications.

Seamless Integration: SATA-II Compatibility

The SATA-II interface enhances the hard drive's compatibility, allowing for seamless integration into various computing environments. Whether it's a desktop, server, or storage array, the ST32000644NS is designed to connect effortlessly, providing users with a versatile and reliable storage solution.

Internal Hard Disk Drive

The Seagate ST32000644NS Constellation 2TB HDD is an internal hard disk drive, which means that it is designed to be installed inside a computer or a server. The HDD is not designed to be portable, and it requires a power supply and a data cable to function.

Enterprise-Class Applications

The Seagate ST32000644NS Constellation 2TB HDD is designed for enterprise-class applications, such as servers, storage arrays, and data-intensive applications. Enterprise-class applications require storage devices that can handle heavy workloads, and the Seagate ST32000644NS Constellation 2TB HDD is built to handle these types of workloads.

Reliability and Durability

The Seagate ST32000644NS Constellation 2TB HDD is designed to be reliable and durable. It uses advanced technologies such as PowerChoice technology, which reduces power consumption by up to 54%, and RAID Rebuild technology, which reduces the time required to rebuild a RAID array. The HDD is also designed to operate 24/7, making it suitable for use in data centers and other mission-critical applications.

General Information about this Seagate ST32000644NS

  • Manufacturer: Seagate
  • Model Number or SKU# ST32000644NS
  • Product Type: Hard Disk Drive (HDD)
  • Sub-Type: SATA-II

Technical Information of SATA-II HDD

  • Product Line: Constellation
  • Cache: 64MB
  • Capacity: 2TB (2000-GB)
  • Areal Density (AVG): 347GB/In2
  • Guaranteed Sectors: 3,907,029,168


  • Spin Speed (RPM): 7200 RPM
  • Sustained Data Transfer Rate: 140MB/S
  • Average Latency: 4.16MS
  • Random Read Seek Time: 8.5MS
  • Random Write Seek Time: 9.5MS
  • I/O Data Transfer Rate: 300MB/S

In summary, the Seagate Constellation ST32000644NS emerges as a powerhouse in the realm of internal hard disk drives. With its substantial 2 Terabytes (TB) of storage, rapid 7200 RPM spin speed, SATA-II interface, and generous 64 Megabyte (MB) buffer, it addresses the diverse storage needs of users across different sectors.

Whether you're a professional seeking a robust storage solution for data-intensive tasks or a casual user in need of expansive storage space, the ST32000644NS offers a blend of capacity, speed, and reliability. In an era where data is king, the ST32000644NS stands as a reliable companion, unlocking the potential for seamless data storage and access.

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.

Here, you can check more available conditions of your desired product ST32000644NS at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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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.

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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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