Seagate

Seagate ST18000VNZ00 IronWolf 18TB NAS Internal Hard Drive

4.7 (25348 reviews)

Maximize Your NAS Performance with Seagate IronWolf 18TBThe Seagate IronWolf 18TB NAS Internal Hard Drive is engineered for multi-user NAS environments, providing high capacity, reliable performance, and IronWolf Health Management for optimal data storage. Capacity: 18TB Interface: SATA 6Gb/s ...

$774.45*
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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

Maximize Your NAS Performance with Seagate IronWolf 18TB

The Seagate IronWolf 18TB NAS Internal Hard Drive is engineered for multi-user NAS environments, providing high capacity, reliable performance, and IronWolf Health Management for optimal data storage.

  • Capacity: 18TB
  • Interface: SATA 6Gb/s
  • Form Factor: 3.5 Inch
  • RPM: 7200 RPM
  • Cache: 256MB
  • NAS Bays Supported: Up to 8 bays

Key Features

IronWolf internal hard drives are the ideal solution for up to 8-bay, multi-user NAS environments craving powerhouse performance

Store more and work faster with a NAS-optimized hard drive providing ultra-high capacity up to 18TB and cache of up to 256MB

Purpose built for NAS enclosures, IronWolf delivers less wear and tear, little to no noise/vibration, no lags or down time, increased file-sharing performance, and much more

Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long-term reliability with 1M hours MTBF

Three-year limited warranty protection plan included and three year Rescue Data Recovery Services included

Specifications

Capacity
18TB
Form Factor
Internal Hard Drive
Designed For
Up to 8-bay, multi-user NAS environments
Cache
Up to 256MB
Reliability
1M hours MTBF
Warranty
Three-year limited warranty
Data Recovery
Three year Rescue Data Recovery Services

Pros & Cons

👍 Pros

  • Offers a massive 18TB storage capacity, ideal for extensive data archiving and demanding NAS environments.
  • Designed for multi-user NAS systems with up to 8 bays, ensuring robust performance for shared access.
  • Includes IronWolf Health Management, allowing for easy monitoring of drive health and proactive maintenance.
  • Provides ultra-high capacity up to 18TB and a 256MB cache, enhancing data access speed and efficiency.
  • Engineered for NAS enclosures, delivering benefits like reduced wear, minimal noise/vibration, and increased file-sharing performance.
  • Comes with a three-year limited warranty and three years of Rescue Data Recovery Services, providing long-term reliability and peace of mind.

👎 Cons

  • Being an internal hard drive, installation requires opening the NAS enclosure and physical setup, which may not be plug-and-play for all users.
  • The 256MB cache, while adequate, is not the largest available on the market for high-performance drives, potentially impacting extreme I/O operations.
  • Optimized for NAS environments, this drive might be overkill or less cost-effective for simple desktop storage needs.
  • Specific performance metrics like RPM or sustained transfer rates are not provided, making detailed speed comparisons difficult.
  • Requires a compatible NAS system to fully utilize its features and benefits, which is an additional hardware investment if not already owned.

Frequently Asked Questions

This Seagate IronWolf NAS internal hard drive offers an ultra-high capacity of 18TB, suitable for extensive data storage needs.
This drive is purpose-built for NAS enclosures and is an ideal solution for up to 8-bay, multi-user NAS environments, not typically for single desktop use.
IronWolf Health Management allows users to easily monitor the health of their drives, helping to ensure long-term reliability and performance.
The drive comes with a three-year limited warranty protection plan and three years of Rescue Data Recovery Services for added peace of mind.
This Seagate IronWolf drive features a cache of up to 256MB, which helps in improving data access speeds and overall performance.
IronWolf drives are engineered to deliver less wear and tear, with little to no noise or vibration, optimized for NAS environments.