---
product_id: 287128927
title: "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: "S$306"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/287128927-ironwolf-pro-20tb-enterprise-nas-internal-hdd-cmr-3-5
store_origin: SG
region: Singapore
---

# 7200 RPM high-speed rotation 20TB massive capacity SATA 6GB/s ultra-fast interface 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:** S$306
**Availability:** ✅ In Stock

## Summary

> 🚀 Power your NAS with unstoppable 20TB IronWolf Pro performance!

## Quick Answers

- **What is this?** 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?** S$306 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/287128927-ironwolf-pro-20tb-enterprise-nas-internal-hdd-cmr-3-5)

## 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

- • **Lag-Free Storage:** Built-in rotational vibration sensors minimize downtime and maintain smooth NAS operation
- • **Seamless Integration:** SATA 6GB/s interface guarantees compatibility and blazing transfer speeds with your NAS setup
- • **Massive 20TB Capacity:** Store vast amounts of critical data without compromise or constant upgrades
- • **Enterprise-Grade Speed:** 7200 RPM spindle speed delivers rapid data access for demanding environments
- • **Unmatched NAS Reliability:** AgileArray firmware ensures rock-solid RAID performance under heavy multi-user workloads

## Overview

The Seagate IronWolf Pro 20TB is a 3.5-inch enterprise-grade NAS internal hard drive featuring AgileArray NAS-optimized firmware, 7200 RPM rotational speed, and a 256MB cache. Designed for multi-user RAID environments, it offers exceptional reliability, vibration resistance, and fast SATA 6GB/s connectivity, making it ideal for professional-grade network-attached storage solutions.

## Description

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)

## 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 |
|---------------|-------|
| Brand | Seagate |
| Product Dimensions | 14.73 x 10.16 x 2.54 cm; 635.03 g |
| Batteries | 1 Lithium Ion batteries required. |
| Item model number | ST4000NE001 |
| Manufacturer | Otom Oto Tekstili ve Aksesuarlari San. Tic. Ltd. |
| Series | IronWolf Pro |
| Color | HDD |
| Form Factor | 3.5-inch |
| Standing screen display size | 16 Inches |
| Computer Memory Type | DIMM |
| Hard Drive Size | 20 TB |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Drive Interface | SATA 6 GB/s |
| Hard Disk Rotational Speed | 7200 RPM |
| Wattage | 9 watts |
| Hardware Platform | PC |
| Are Batteries Included | No |
| Lithium Battery Energy Content | 2 Kilowatt Hours |
| Lithium Battery Packaging | Batteries packed with equipment |
| Lithium Battery Weight | 2 Grams |
| Number Of Lithium Ion Cells | 5 |
| Number of Lithium Metal Cells | 5 |
| Item Weight | 635 g |

## Product Details

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

## Images

![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)

## Available Options

This product comes in different **Capacity, 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,

## 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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**Shop now:** [https://www.desertcart.sg/products/287128927-ironwolf-pro-20tb-enterprise-nas-internal-hdd-cmr-3-5](https://www.desertcart.sg/products/287128927-ironwolf-pro-20tb-enterprise-nas-internal-hdd-cmr-3-5)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*