Seagate ST20000NM002D 20TB 7.2K RPM SAS 12GBPS HDD
If you need a large quantity of ST20000NM002D product - call us through our toll-free number at (800) 675 5044 or request a quote at live chat and our sales manager will contact you shortly.
Looking for assistance? Connect with one of our experts
+1 (800) 675 5044 (Toll-Free)
FREE Shipping. We are accepting NET 30 Days Purchase Orders. Get a decision in seconds, without affecting your credit.

Seagate ST20000NM002D 20TB 7.2K RPM Hard Drive SAS 12GBPS Refurbished

Availability: In Stock
Part Number#: ST20000NM002D
List Price was: $727.27
Your Price:
You Save: $487.27 (67% off)

Additional 5% Discount on Checkout

Short Description:
ST20000NM002D Exos X20 20 Terabyte(TB) 7200 Revolutions Per Minute(RPM) Serial-Attached SCSI(SAS) 12 Gigabytes per Second(GBPS) Enterprise Internal Hard Disk Drive | Made by Seagate | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

More Information for the Seagate ST20000NM002D 20TB 7.2K RPM HDD

The Seagate ST20000NM002D is a powerful and high-capacity hard drive designed for internal use. This hard drive boasts impressive specifications, including a massive storage capacity of 20TB, a rotational speed of 7,200 revolutions per minute (RPM), and a SAS (Serial Attached SCSI) interface with 12Gbps data transfer speed. In this detailed explanation, we will delve into the key features, technical specifications, benefits, and potential use cases of the Seagate ST20000NM002D hard drive. Whether you're an IT professional looking for reliable storage solutions or a technology enthusiast seeking to expand your knowledge, this guide will provide you with a comprehensive understanding of this remarkable storage device.

Key Features

To understand the Seagate ST20000NM002D better, let's explore its key features in detail:

  • Massive Storage Capacity (20TB): The Seagate ST20000NM002D offers an enormous storage capacity of 20 terabytes (TB). This colossal amount of storage space is ideal for businesses, data centers, and individuals who need to store large volumes of data, including documents, multimedia files, and backups.
  • High Rotational Speed (7.2K RPM): This hard drive operates at a rotational speed of 7,200 RPM. The faster the RPM, the quicker the data can be accessed, making it suitable for applications where speed and performance are critical, such as data-intensive workloads and server environments.
  • SAS 12Gbps Interface: The SAS (Serial Attached SCSI) interface ensures a high-speed and reliable connection between the hard drive and the host system. With a data transfer rate of 12 gigabits per second (Gbps), this interface is well-suited for demanding applications that require fast data access and throughput.
  • Enterprise-Class Reliability: The Seagate ST20000NM002D is built to withstand the rigors of enterprise environments. It is engineered for 24/7 operation, making it highly reliable and suitable for applications that demand uninterrupted access to data.
  • Advanced Data Protection: To ensure the integrity of your data, this hard drive features advanced error recovery and end-to-end data protection technologies. These mechanisms help prevent data corruption and enhance data reliability.
  • Seagate Secure: Security is a paramount concern for many organizations. The Seagate ST20000NM002D is equipped with Seagate Secure technology, which includes self-encrypting drive (SED) options to protect your sensitive data from unauthorized access.

Key Benefits

The Seagate ST20000NM002D offers a range of benefits that make it a compelling choice for various applications:

  • High Storage Capacity: With 20TB of storage space, this hard drive can accommodate a vast amount of data, making it suitable for businesses that require extensive data storage.
  • Fast Data Access: The 7,200 RPM rotational speed ensures quick data access, which is crucial for applications where speed is of the essence.
  • Reliability: Designed for enterprise-class reliability, the Seagate ST20000NM002D can operate 24/7 without compromising data integrity or performance.
  • Data Protection: The inclusion of advanced data protection mechanisms and error recovery controls minimizes the risk of data loss or corruption.
  • Security: The Seagate Secure technology with self-encrypting drive options provides an extra layer of security for sensitive data.
  • Compatibility: The SAS interface with a 12Gbps data transfer rate ensures compatibility with a wide range of enterprise-grade systems and servers.

Use Cases

The Seagate ST20000NM002D is a versatile hard drive suitable for a variety of use cases. Here are some examples of scenarios where this hard drive can shine:

  • Enterprise Data Centers: Large enterprises with extensive data storage requirements can benefit from the massive 20TB capacity and high reliability of this hard drive. It can be used for data archiving, backups, and data warehousing.
  • Media Production: Video and audio professionals working on high-definition and 4K content require storage solutions that can handle the large files generated during production. The Seagate ST20000NM002D's high capacity and speed make it an excellent choice for media storage and editing.
  • Server Environments: Servers hosting critical applications and databases need fast and reliable storage. The 7,200 RPM rotational speed and SAS interface of this hard drive ensure that data can be retrieved quickly, making it suitable for server environments.
  • Surveillance Systems: Surveillance systems generate vast amounts of video data. The 20TB capacity of this hard drive makes it a good fit for storing surveillance footage over extended periods.
  • Data Backup and Archiving: Businesses and organizations of all sizes require robust backup and archiving solutions to protect their data. The Seagate ST20000NM002D's large capacity and reliability make it an ideal choice for data backup and archiving purposes.
  • Scientific and Research Applications: In scientific research, data storage needs can be substantial. Whether it's storing research data, simulations, or results, this hard drive can handle the data requirements of scientific projects.
  • Big Data Analysis: For companies engaged in big data analytics, the Seagate ST20000NM002D can store and manage the vast datasets involved in analyzing customer behavior, market trends, and other significant data sources.
  • Cloud Storage Providers: Cloud service providers can use the Seagate ST20000NM002D to expand their storage infrastructure and offer more storage space to their customers.
  • Gaming: Gamers who need to store a large collection of games and game-related content will appreciate the ample storage capacity of this hard drive.
  • Virtualization: The hard drive's speed and reliability are beneficial in virtualized environments where virtual machines and applications rely on efficient data storage and retrieval.

Performance Considerations

The performance of the Seagate ST20000NM002D is influenced by several factors. Let's explore these considerations:

  • Rotational Speed: The 7,200 RPM rotational speed provides a significant performance boost compared to slower-spinning hard drives. Data can be read and written more quickly, which is especially beneficial for tasks that involve large files or multiple simultaneous data requests.
  • SAS Interface: The 12Gbps SAS interface offers high-speed data transfer, reducing latency and ensuring fast access to stored data. However, the overall performance can also depend on the capabilities of the host system's SAS controller.
  • Cache Size: The hard drive features a 256MB cache, which acts as a temporary buffer for frequently accessed data. A larger cache can enhance performance in certain scenarios, such as repeated data access.
  • Seek Time: The average seek time of the hard drive affects how quickly the drive's read/write heads can move to the requested data location. A lower seek time is preferable, as it reduces the time required to access data.
  • Data Transfer Rate: The hard drive is capable of data transfer rates of up to 1,200MB/s, but real-world performance may vary depending on the specific application and system configuration.
  • RAID Configuration: In a RAID setup, the performance of multiple hard drives can be aggregated. However, the exact performance gains will depend on the RAID level chosen (e.g., RAID 0 for striping or RAID 1 for mirroring) and the number of drives in the array.
  • Operating System and File System: The performance of the hard drive can also be influenced by the operating system and file system used. Some file systems are more efficient for specific tasks and may impact read and write speeds.

General Information about this Seagate ST20000NM002D

  • Manufacturer: Seagate
  • Part Number or SKU# ST20000NM002D
  • Product Type: SAS 12GBPS
  • Product Name: Hard Disk Drive

Technical Specifications

  • Capacity: 20 Terabytes (TB)
  • Interface: SAS 12.0 GBPS
  • Form Factor: 3.5-inch
  • Rotational Speed: 7,200 RPM
  • Average latency: 4.16 milliseconds
  • Sustained Transfer Rate OD: 228 megabytes per second (MB/s)
  • Interface Transfer Rate: 12.0 gigabits per second (Gbps)
  • Buffer: 512 megabytes (MB)
  • Load/Unload Cycles: 600,000
  • Power consumption (Idle): 7.5 watts (W)
  • Power consumption (Seek): 8.5 watts (W)
  • Operating Temperature: 5 to 60°C
  • Nonoperating Temperature: -40 to 70°C
  • Acoustics (Idle Volume): 3.4 bels
  • Acoustics (Seek Volume): 3.6 bels

In summary, the Seagate ST20000NM002D is a high-capacity, high-performance internal hard drive designed for enterprise and data-intensive applications. With its impressive 20TB storage capacity, 7,200 RPM rotational speed, SAS 12Gbps interface, and advanced data protection features, it offers a compelling storage solution for a wide range of use cases. Whether you need to expand your data center's storage capacity, store vast amounts of media content, or enhance the performance of your server environment, this hard drive can meet your requirements.

By considering factors such as compatibility, performance considerations, and maintenance best practices, you can maximize the benefits of the Seagate ST20000NM002D while ensuring its reliability and longevity. As technology continues to evolve, the need for high-capacity storage solutions remains a constant, and the Seagate ST20000NM002D stands as a reliable option in the ever-expanding world of data storage.

The Seagate ST20000NM002D is a powerhouse of a hard drive, ready to meet the demands of modern data-intensive applications, and with proper care and integration, it can become an invaluable asset to businesses and individuals alike.

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 ST20000NM002D 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.


Please choose your location for calculate shipping cost.


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.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


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.
  • We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • 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
  • To get a FedEx® delivery service you need to mention it on the checkout page notebox.
  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.