Seagate

Seagate ST4000NE001 IronWolf Pro 4TB NAS Hard Drive (Renewed)

4.4 (288 reviews)

Enterprise-Class NAS Performance with IronWolf Pro The Seagate IronWolf Pro ST4000NE001 4 TB Hard Drive is designed for demanding NAS environments, providing reliable 24x7 performance. This renewed 3.5" internal drive features AgileArray technology for optimized RAID performance and Rotational V...

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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

Enterprise-Class NAS Performance with IronWolf Pro

The Seagate IronWolf Pro ST4000NE001 4 TB Hard Drive is designed for demanding NAS environments, providing reliable 24x7 performance. This renewed 3.5" internal drive features AgileArray technology for optimized RAID performance and Rotational Vibration (RV) sensors to maintain high performance in multi-drive enclosures. Perfect for businesses requiring always-on, always-accessible data storage.

Specifications:

  • Capacity: 4 TB
  • Form Factor: 3.5" Internal
  • Interface: SATA (SATA/600)
  • Recording Technology: All-CMR (Conventional Magnetic Recording)
  • Rotational Speed: 7200 RPM
  • Cache: 256 MB
  • Features: AgileArray, Rotational Vibration (RV) sensors
  • Usage: NAS (Network Attached Storage)

Key Features

High Performance: All-CMR (conventional magnetic recording) portfolio enables consistent, industry-leading 24×7 performance allowing users to access data anytime, anywhere

Optimized for NAS with AgileArray. AgileArray enables dual-plane balancing and RAID optimization in multi-bay environments, with the most advanced power management possible.

High performance means no lag time or downtime for users during workload traffic for the NAS. Seagate leads the competition with the highest-performing NAS drive portfolio.

Rotational Vibration (RV) sensors. First in its class of drives to include RV sensors to maintain high performance in multi-drive NAS enclosures.

Designed for always on, always accessible 24×7 performance. Access data on your NAS any time, remotely or on site.

Specifications

Model
ST4000NE001
Series
IronWolf Pro
Capacity
4TB
Recording Technology
All-CMR (Conventional Magnetic Recording)
Optimization
Optimized for NAS with AgileArray
Performance
24x7 performance, high-performing NAS drive
Features
Rotational Vibration (RV) sensors, RAID optimization, advanced power management

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Pros & Cons

👍 Pros

  • Features an All-CMR (conventional magnetic recording) portfolio, ensuring consistent, industry-leading 24×7 performance.
  • Optimized for Network Attached Storage (NAS) systems with AgileArray, which includes dual-plane balancing and RAID optimization.
  • Offers advanced power management through AgileArray, helping to maintain efficiency in multi-bay environments.
  • Designed for high performance, aiming to eliminate lag time or downtime for users during heavy workload traffic on the NAS.
  • Includes Rotational Vibration (RV) sensors, a first in its class, to maintain high performance specifically in multi-drive NAS enclosures.
  • Engineered for always-on, always-accessible 24×7 performance, allowing data access remotely or on site at any time.

👎 Cons

  • As a renewed product, it may have a shorter warranty or different support terms compared to a new drive.
  • The "IronWolf Pro" series is specifically optimized for NAS, which might be overkill or less cost-effective for single-drive desktop use.
  • While offering high performance, specific read/write speeds beyond general statements are not provided, which could be important for some users.
  • Installation requires a NAS enclosure or a compatible system; it's not a standalone external storage solution.
  • The emphasis on "renewed" status implies it is not a brand-new unit, which could be a consideration for some buyers.

Frequently Asked Questions

All-CMR stands for Conventional Magnetic Recording, which is a recording technology known for consistent performance, especially important in 24x7 NAS environments.
While it can technically be used, this Seagate IronWolf Pro drive is specifically optimized with AgileArray for Network Attached Storage (NAS) environments and multi-bay enclosures.
The RV sensors in this drive are designed to maintain high performance in multi-drive NAS enclosures by compensating for vibrations that can occur.
The listing specifies it is a renewed product; generally, renewed products carry a limited warranty, but specific terms should be confirmed with the seller.
AgileArray is a feature that enables dual-plane balancing and RAID optimization within multi-bay NAS environments, along with advanced power management for the drive.
Yes, this drive is designed for always-on, always-accessible 24x7 performance, allowing you to access data on your NAS remotely or on site.
It is designed for high performance to prevent lag time or downtime for users during heavy workload traffic in a NAS environment.