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Seagate Exos X18 18TB SATA III 3.5" Hard Drive - 256MB Cache

Seagate Exos X18 18TB SATA III 3.5" Hard Drive - 256MB Cache

CCL Code: HDD3763

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Seagate Exos X18 18TB SATA III 3.5" Hard Drive - 256MB Cache


Key Features:

  • 18TB Capacity
  • SATA III Interface
  • 256MB Cache
  • 3.5" Form Factor
  • 5 Year Warranty
CCL Code: HDD3763

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Scalable, responsive, and innovative, the Seagate® Exos® X18 enterprise drive is designed for maximum storage capacity and the highest rack-space efficiency. Protected with Seagate Secure™ technology and delivering up to 18 TB capacity, the Exos X18 enables the fastest data transfers in the datasphere and supports low power and weight. Count on the greatest efficiencies and highest storage densities.

Exos X18 is the best fit for the following applications:

  • Enterprise hyperscale applications and cloud data centres
  • Massive scale-out data centres
  • Big data applications
  • High-capacity density RAID storage

Why choose the Exos X18?

Support data analytics capabilities and other denser architectures for highest rack-space efficiency.

  • Highest-capacity hard drives in the fleet
  • Best 18 TB hard-drive performance, with enhanced caching
  • Hyperscale SATA model tuned for large data transfers and low latency
  • Ideal for high-capacity servers, enterprise NAS systems, and bulk storage
  • Offers greatest efficiencies and highest storage densities

Key Features

Disk Capacity 18 TB
Interface Type SATA III
Drive Interface SATA III
Cache Memory 256 MB
Disk Form Factor 3.5"
Interface Type SATA III
Condition New
Intended Use Enterprise
Power Requirement (auto) 10 W
Number of SATA power required 1
Config Enterprise Yes


Warranty 5 Years


Storage Type HDD

Item Details

Manufacturer Seagate
Manufacturer Code ST18000NM000J
EAN 8719706020442
Condition New

Warranty Information

Warranty 5 Years

Manufacturer Information

Manufacturer Seagate
Manufacturer Code ST18000NM000J

Do you have you a question about the Seagate Exos X18 18TB 3.5 inch Internal Hard Drive for Enterprise, SATA III Interface, 7200rpm, Helium Filled, 512E/4KN?

4.9 / 5 7 reviews


July 2022

Excellent enterprise hard drive with very fast read and write speeds.

Peter Lynes

June 2022

Great product, great price. Noticed that capacity before formating was 16TB - so somewhat bemused to it's claimed capacity.


June 2022

Massive storage for a modest price.

Kenneth Lea

April 2022

Excellent Storage at a good price.


April 2022

Huge capacity, bargain price. Formats to 16TB.

Kenneth Lea

March 2022

Fast and Large storage so good I bought 2


March 2022

This won't compete with an SSD or 7200rpm HDD for speed, but for a back-up drive it is perfect! It is, allegedly, a 'shingled' drive, so its write speed supposedly slower, but a back-up is neither written to nor read from on a regular basis, so it doesn't really matter in the slightest. Back-ups are worth their weight in gold, but this drive is as cheap as chips. Highly recommended!