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Main image of Seagate Exos 16TB Enterprise HDD X18 SATA 6Gb/s 512e/4Kn 7200 RPM 256MB Cache 3.5" Internal Hard Drive (ST16000NM000J)

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Seagate Exos 16TB Enterprise HDD X18 SATA 6Gb/s 512e/4Kn 7200 RPM 256MB Cache 3.5" Internal Hard Drive (ST16000NM000J)

Name: Seagate Exos 16TB Enterprise HDD X18 SATA 6Gb/s 512e/4Kn 7200 RPM 256MB Cache 3.5" Internal Hard Drive (ST16000NM000J)
Brand: Seagate
SKU: 1Z4-002P-022S9
Rating: 4 (359 reviews)

(359)(30) Write a Review

Options: 16TB Exos X18

24TB Exos X24
20TB Exos X20
18TB Exos X18
16TB Exos X18
14TB Exos X18
30TB Exos M

7200 RPM 256MB Cache
SATA 6.0Gb/s
For Enterprise Storage

Overview

Specs

Reviews (359)

Scalable. Responsive. Innovative.

Exos X18

Seagate manufactures hard drives that specifically address the demand for hyperscale cloud scalability. As the flagship of the Seagate® X class, the Exos® X18 enterprise hard drives are the highest-capacity hard drives in the fleet.

Maximum Storage Capacity for Highest Rack Space Efficiency

Market-leading 18 TB HDD offering the highest capacity available for more petabytes per rack

Highly reliable performance with enhanced caching, making it the logical choice for cloud data centre and massive scale-out data centre applications

Hyperscale SATA model tuned for large data transfers and low latency

PowerBalance™ feature optimises Watts/TB

Maximise total cost of ownership savings through lower power and weight with helium sealed-drive design

Proven helium side-sealing weld technology for added handling robustness and leak protection

Digital environmental sensors to monitor internal drive conditions for optimal operation and performance

Data protection and security - Seagate Secure™ features for safe, affordable, fast and easy drive retirement

Proven enterprise-class reliability backed by 5-year limited warranty and 2.5M-hr MTBF rating

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 5 years
Limited Warranty period (labor): 5 years
Read full details

Return Policies

We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

Return for refund until: January 31, 2026

Return for replacement until: January 31, 2026

This item is covered by Newegg.ca's Extended Holiday Return Policy.
Read full return policy for details.

Features	Market-leading 16TB HDD offering the highest capacity available for more petabytes per rack* Highly reliable performance with enhanced caching, making it the logical choice for cloud data centre and massive scale-out data centre applications Hyperscale SATA model tuned for large data transfers and low latency PowerBalance feature optimises Watts/TB Maximise total cost of ownership savings through lower power and weight with helium sealed-drive design Proven helium side-sealing weld technology for added handling robustness and leak protection Digital environmental sensors to monitor internal drive conditions for optimal operation and performance Data protection and security - Seagate Secure features for safe, affordable, fast and easy drive retirement * Compared to 14TB competitive product.
Usage	For Enterprise Storage

Form Factor	3.5"
Height (maximum)	26.10mm
Width (maximum)	101.85mm
Length (maximum)	147.00mm

Seagate Exos 16TB Enterprise HDD X18 SATA 6Gb/s 512e/4Kn 7200 RPM 256MB Cache 3.5" Internal Hard Drive (ST16000NM000J)

Learn more about the Seagate ST16000NM000J

Customer Reviews of the Seagate ST16000NM000J

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Brand	Seagate
Series	Exos X18
Model	ST16000NM000J
Packaging	Bare Drive

Interface	SATA 6.0Gb/s
Capacity	16TB
NAND Flash Memory Type	Hard Drive
RPM	7200 RPM
Cache	256MB
Average Latency	4.16ms

Item#: 1Z4-002P-022S9

Seagate Exos 16TB Enterprise HDD X18 SATA 6Gb/s 512e/4Kn 7200 RPM 256MB Cache 3.5" Internal Hard Drive (ST16000NM000J)

Learn more about the Seagate ST16000NM000J

Customer Reviews of the Seagate ST16000NM000J

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info