Seagate Exos X20 18TB SATA Enterprise Hard Drive (Renewed)

Name: Seagate Exos X20 18TB SATA Enterprise Hard Drive (Renewed)
Brand: Seagate
SKU: Exos X20 18TB

Overview

The Seagate Exos X20 18TB SATA Enterprise Hard Drive is engineered for the demanding requirements of hyperscale and cloud data center environments. Built on Seagate's proven helium side-sealing weld technology, the drive packs 18 terabytes into a standard 3.5-inch form factor while running cooler and consuming less power than traditional air-filled drives. The 7200 RPM spindle speed paired with enhanced caching delivers consistent throughput tuned for large sequential data transfers, while the SATA 6Gb/s interface ensures broad compatibility with existing server and storage infrastructure.

Reliability is central to the Exos X20's design. The drive carries a 2.5 million hour MTBF rating—an enterprise benchmark that reflects its suitability for always-on, write-intensive workloads. Digital environmental sensors continuously monitor internal conditions such as temperature and humidity, providing an additional layer of operational intelligence for storage administrators. As a renewed unit, this drive has been professionally inspected and tested to meet functional standards, offering the same Exos X20 technology trusted by the world's leading cloud service providers at a reduced price point. It is a practical choice for expanding NAS arrays, populating storage servers, or any application where high-capacity, reliable spinning storage is needed.

Key Features

Hyperscale SATA model tuned for large data transfers and low latency

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

Proven enterprise-class reliability backed by 2.5M-hr MTBF rating

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

Specifications

Brand

Seagate

Model

Exos X20 (ST18000NM003D)

Capacity

18TB

Interface

SATA 6Gb/s

Form Factor

3.5 inch

Spindle Speed

7200 RPM

Cache

512e

Technology

Helium side-sealing weld

MTBF

2.5 Million Hours

Features

Digital environmental sensors, enhanced caching

Condition

Renewed

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Pros & Cons

👍 Pros

Massive 18TB capacity provides significant storage density in a single 3.5-inch drive.
Helium-sealed construction enables cooler, quieter, and more power-efficient operation than air-filled drives.
Enterprise-class 2.5 million hour MTBF rating reflects durability designed for continuous data center workloads.
Digital environmental sensors actively monitor internal conditions to protect drive health.
Renewed status offers substantial cost savings over purchasing the same drive new.

👎 Cons

Renewed condition means the drive has prior usage history, which may concern buyers requiring brand-new components.
SATA 6Gb/s interface is slower than SAS alternatives used in high-performance enterprise storage arrays.
At 7200 RPM with traditional spinning platters, sequential and random performance cannot match solid-state drives.
Renewed drives may carry a shorter or different warranty compared to new units.

Frequently Asked Questions

What does "Renewed" mean for this drive?

A renewed drive has been inspected, tested, and restored to full working condition by a qualified refurbisher, offering enterprise-class performance at a lower price than a new unit.

What is the benefit of helium-sealed technology in this drive?

Seagate's helium side-sealing weld technology reduces internal air resistance on the spinning platters, allowing for lower power consumption, cooler operation, and the ability to pack more platters into the standard 3.5-inch form factor to achieve 18TB capacity.

What is the MTBF rating and what does it indicate?

The Exos X20 carries a 2.5 million hour Mean Time Between Failures rating, which is an enterprise-class reliability metric indicating the drive is engineered for continuous, demanding workloads in data center environments.

What interface does this drive use?

It uses a SATA 6Gb/s interface, making it compatible with standard server and desktop SATA connections.

Does this drive include any built-in monitoring features?

Yes, it features digital environmental sensors that monitor internal drive conditions such as temperature and humidity to help maintain optimal operation and performance.