Seagate
Seagate ST18000NM000D EXOS X20 18TB SAS HDD
Unleash Enterprise-Class StorageIntroducing the Seagate Exos X20, an 18TB SAS hard drive engineered for demanding enterprise environments. Experience exceptional performance, reliability, and data integrity in a 3.5-inch form factor, operating at 7200 RPM with a 6GB/s interface and advanced 512E/...
$649.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Unleash Enterprise-Class Storage
Introducing the Seagate Exos X20, an 18TB SAS hard drive engineered for demanding enterprise environments. Experience exceptional performance, reliability, and data integrity in a 3.5-inch form factor, operating at 7200 RPM with a 6GB/s interface and advanced 512E/4K formatting.
- Capacity: 18TB
- Interface: SAS (Serial Attached SCSI)
- Form Factor: 3.5 inch
- Spindle Speed: 7200 RPM
- Data Transfer Rate: 6GB/s
- Sector Size: 512E/4K
Key Features
ST18000NM000D
Specifications
Model Number
ST18000NM000D
Series
EXOS X20
Capacity
18TB
Interface
SAS
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View on Amazon →Pros & Cons
👍 Pros
- Provides a massive 18TB storage capacity, suitable for extensive data archival and large-scale enterprise applications.
- Utilizes the SAS interface, which is known for its reliability and performance in server and data center environments.
- Designed for high-density storage solutions, making it efficient for consolidating large amounts of data.
- Ideal for workloads that require robust and consistent data access in a professional setting.
- As part of the EXOS X20 series, it is engineered for enterprise-grade performance and durability.
👎 Cons
- The SAS interface typically requires specialized controllers and is not directly compatible with standard SATA ports found in most consumer PCs.
- Specific performance metrics like rotational speed (RPM), cache size, and sustained transfer rates are not provided.
- The product is likely designed for enterprise use, making it potentially over-engineered and more expensive for standard consumer storage needs.
- Power consumption and noise levels, important factors for some deployments, are not specified in the available features.
- Without details on warranty or Mean Time Between Failures (MTBF), assessing long-term reliability solely based on features is limited.
Frequently Asked Questions
What is the storage capacity of the Seagate ST18000NM000D HDD?
The Seagate ST18000NM000D EXOS X20 offers an 18TB storage capacity, suitable for large data storage needs.
What type of interface does this hard drive use?
This hard drive uses a SAS (Serial Attached SCSI) interface, which is typically found in enterprise and server environments.
Is this hard drive suitable for a regular desktop computer?
The SAS interface generally requires a compatible SAS controller, which is not commonly found in standard consumer desktop computers that typically use SATA.
What series does this Seagate hard drive belong to?
It is part of the Seagate EXOS X20 series, designed for enterprise-grade performance and reliability.
Are there any other specifications available for this model, such as RPM or cache?
The provided product information only lists the model number, series, capacity, and interface. Further detailed specifications are not available in the given features.
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