---
product_id: 287128927
title: "Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)"
brand: "seagate"
price: "R16"
currency: ZAR
in_stock: false
reviews_count: 9
url: https://www.desertcart.co.za/products/287128927-seagate-ironwolf-pro-20tb-enterprise-nas-internal-hdd-cmr-3
store_origin: ZA
region: South Africa
---

# 20TB massive storage capacity SATA 6Gb/s ultra-fast interface 7200 RPM high-speed spin Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)

**Brand:** seagate
**Price:** R16
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Power your NAS like a pro with IronWolf Pro – where speed meets unstoppable storage!

## Quick Answers

- **What is this?** Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) by seagate
- **How much does it cost?** R16 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/287128927-seagate-ironwolf-pro-20tb-enterprise-nas-internal-hdd-cmr-3)

## Best For

- seagate enthusiasts

## Why This Product

- Trusted seagate brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Massive 20TB Storage:** Store your entire digital empire with enterprise-grade capacity that keeps you ahead of the data curve.
- • **Blazing 7200 RPM Speed:** Experience rapid data access and transfer speeds that minimize lag and maximize productivity.
- • **Built-in Vibration Sensors:** Smart rotational vibration control guarantees consistent uptime and reduces drive wear in busy NAS environments.
- • **Enterprise-Grade Durability:** Designed for 24/7 operation with robust metal enclosure and advanced error recovery for mission-critical storage.
- • **Optimized for NAS Workloads:** AgileArray firmware ensures rock-solid RAID reliability and seamless multi-user NAS performance.

## Overview

The Seagate IronWolf Pro 20TB is a 3.5-inch enterprise-grade NAS internal hard drive featuring SATA 6Gb/s connectivity, 7200 RPM rotational speed, and 256MB cache. Engineered with AgileArray firmware and vibration sensors, it delivers reliable RAID performance and consistent multi-user workload handling, making it ideal for professional network-attached storage solutions.

## Description

Seagate IronWolf Pro ST4000NE001 Hard Drive 3.5 Inches 4000 GB Serial ATA III - Hard Drives (3.5 Inches, 4000 GB, 7200 RPM)

Review: Badly reconditioned drives - Bought 5 , 3 not working at all, 2 not recognised by the server, very frustrating and a huge let down
Review: Works and is good! - I took five of them. Unfortunately one is making strange noise time to time. Looking for the warranty in my country. Nevertheless all five works. For home using are noisy. Under hi load very noisy. But for server is good.

## Features

- AgileArray: CMR HDD with AgileArray — NAS-optimised firmware providing exceptional RAID reliability and NAS compatibility during the heaviest of workloads
- Enjoy consistent performance with built-in rotational vibration sensors providing reliable storage for NAS with little lag or downtime
- Highest Performance: Easily tackle heavy workloads in multi-user NAS environments

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SY4T6F5 |
| Additional Features | Portable |
| Best Sellers Rank | #2,303 in Computers ( See Top 100 in Computers ) #6 in Internal Hard Drives |
| Brand | Seagate |
| Built-In Media | Hard Drive |
| Cache Memory Installed Size | 128 |
| Color | HDD |
| Compatible Devices | Storage System |
| Connectivity Technology | SATA |
| Connectivity technology | SATA |
| Customer Reviews | 3.9 out of 5 stars 2,482 Reviews |
| Data Transfer Rate | 6 Gigabits Per Second |
| Digital Storage Capacity | 4 TB |
| Digital storage capacity | 4 TB |
| Enclosure Material | Metal |
| Form Factor | 3.5-inch |
| Global Trade Identification Number | 00763649125137, 08719706009881 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Interface | SATA 6 GB/s |
| Hard Disk Rotational Speed | 7200 RPM |
| Hard disk form factor | 3.5 Inches |
| Hard disk interface | SATA 6 GB/s |
| Hard-Drive Size | 20 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Hardware Platform | PC |
| Installation Type | Internal Hard Drive |
| Item Type Name | Hard Drive |
| Item Weight | 635 g |
| Manufacturer | Otom Oto Tekstili ve Aksesuarlari San. Tic. Ltd. |
| Media Speed | 120 MB/s |
| Mfr Part Number | ST4000NE001 |
| Model Name | IronWolf Pro |
| Model Number | ST4000NE001 |
| Number of Items | 1 |
| Read Speed | 120 Megabytes Per Second |
| Special features | Portable |
| Specific Uses For Product | Business |
| UPC | 763649125137 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Seagate
- **Colour:** HDD
- **Compatible devices:** Storage System
- **Connectivity technology:** SATA
- **Digital storage capacity:** 4 TB
- **Hard disk description:** Mechanical Hard Disk
- **Hard disk form factor:** 3.5 Inches
- **Hard disk interface:** SATA 6 GB/s
- **Installation type:** Internal Hard Drive
- **Special features:** Portable

## Images

![Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) - Image 1](https://m.media-amazon.com/images/I/51mCDa7HuRL.jpg)
![Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) - Image 2](https://m.media-amazon.com/images/I/71XYx457c8L.jpg)
![Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) - Image 3](https://m.media-amazon.com/images/I/81YPrD50rSL.jpg)
![Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) - Image 4](https://m.media-amazon.com/images/I/71Mx3eMZ5DL.jpg)
![Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) - Image 5](https://m.media-amazon.com/images/I/71FsAgG6xZL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: what is the cache size?**
A: It depends on exactly what model you have. Mind is a ST4000NE001 that spins at 7200rpm and has a 256MB Cache. Other models spin at 5400 rom and have 64 MB Cache,

## Customer Reviews

### ⭐ Badly reconditioned drives
*by B***! on 31 December 2024*

Bought 5 , 3 not working at all, 2 not recognised by the server, very frustrating and a huge let down

### ⭐⭐⭐⭐ Works and is good!
*by A***R on 15 May 2023*

I took five of them. Unfortunately one is making strange noise time to time. Looking for the warranty in my country. Nevertheless all five works. For home using are noisy. Under hi load very noisy. But for server is good.

### ⭐ Very bad
*by M***A on 15 May 2023*

Product came late with not well safe box and not working at all and also i sent back and for one month I didn’t get any feedback for my refund they most probably thieves!!

## Frequently Bought Together

- Seagate IronWolf Pro ST4000NE001 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600)
- Corsair RM750e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black
- SAMSUNG 990 PRO SSD NVMe M.2 PCIe Gen4, M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P2T0B/AM

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-07*