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Silver 3.5 inch hard drive with circuit board visible

Seagate

Seagate EXOS X24 20TB SATA 3.5in internal hard drive ST20000NM002H

SKU CH-ZF5D-BYB74 MPN ST20000NM002H

20 TB 3.5 inch SATA internal hard drive for desktop storage

  • TypeControl Module

Options 20TB EXOS X24

Struck-through versions exist but are not stocked here.

  • 20 TB capacity stores massive datasets
  • SATA 6 Gb/s interface enables straightforward integration
  • Helium-sealed design reduces power draw and noise
  • 5-year limited warranty protects long-term investment

20 TB SATA hard drive for capacity storage

The Seagate EXOS X24 ST20000NM002H is a 3.5 inch internal hard drive offering 20 TB of capacity over a SATA 6Gb/s interface. It is built for desktop systems that require high-volume storage in a standard drive bay. The drive ships in retail or OEM packaging depending on supply.

Buyers who need a different interface cannot use

This drive suits users expanding a desktop with large SATA storage for archives, media libraries or backups. Builders whose motherboards lack a free SATA port or who require a smaller physical format should look at other options.

Highlights

  • 20 TB capacity stores massive datasets
  • SATA 6 Gb/s interface enables straightforward integration
  • Helium-sealed design reduces power draw and noise
  • 5-year limited warranty protects long-term investment

Specifications

TypeControl Module
Shipping weight0.82 kg
Package size224 × 152 × 76 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What does the 20 TB capacity actually give me inside a desktop?

Twenty terabytes provides roughly 20 000 gigabytes of raw storage, enough for large media libraries, backups or archival workloads in a single 3.5 inch bay.

What does the SATA 6 Gb/s interface limit in real use?

The SATA 6 Gb/s link caps sequential throughput at the interface maximum, so sustained transfers cannot exceed that bandwidth regardless of the drive's internal speed.

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