---
product_id: 315533346
title: "Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware"
brand: "western digital"
price: "$670"
currency: NZD
in_stock: true
reviews_count: 6
url: https://www.desertcart.nz/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb
store_origin: NZ
region: New Zealand
---

# SATA 6 Gb/s ultra-fast interface 4TB massive storage NASware 3.0 for 24/7 reliability Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware

**Brand:** western digital
**Price:** $670
**Availability:** ✅ In Stock

## Summary

> 💼 Elevate your NAS game with WD Red — storage that works as hard as you do.

## Quick Answers

- **What is this?** Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware by western digital
- **How much does it cost?** $670 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb)

## Best For

- western digital enthusiasts

## Why This Product

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

## Key Features

- • **Proven Reliability:** Trusted by professionals for RAID setups and continuous operation.
- • **Massive 4TB Capacity:** Store your entire digital universe without compromise.
- • **Optimized for NAS 24/7:** Built with NASware 3.0 to keep your network storage running non-stop.
- • **64MB Cache & IntelliPower:** Smart power management meets high-speed caching for efficiency and performance.
- • **Blazing SATA 6 Gb/s Speed:** Experience seamless data transfer and lightning-fast access.

## Overview

The Western Digital WD Red WD40EFRX is a 4TB SATA 6 Gb/s hard drive designed specifically for NAS environments. Featuring NASware 3.0 technology, 64MB cache, and IntelliPower for optimized power and performance, it ensures reliable 24/7 operation. Ideal for RAID configurations, this drive balances speed, capacity, and durability to meet the demands of professional and home network storage.

## Description

Product Description 4TB WD Red WD40EFRX SATA 6Gb/sec, 64MB Cache, IntelliPower 8ms NCQ OEM 24x7 with NASware 3.0;Network it in RED Set Contains: 1 x WD40EFRX

Review: Discontinued model harddisk. - I had a nas with one on my customers with 4 harddisk raid with this harddisk. Now that this particular model harddisk is not available in the market, found it here. Thanks.
Review: I ordered this item in a rush because a drive crashed in a NAS. Before buying a NAS disk, inform yourself sufficiently to see if this item would satisfy your particular needs. This replacement item does the job, though it is not on the compatibility list published by the NAS manufacturer.

## Features

- DCM: HHNNNT2CAB
- DCX: LW0HT2T0R
- 5VDC: 0.60A
- 12 VDC: 0.45A

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01IF6879G |
| Best Sellers Rank | #8,446 in Computers ( See Top 100 in Computers ) #33 in Internal Hard Drives |
| Item model number | WD40EFRX |
| Manufacturer | Western Digital |
| Product Dimensions | 10.2 x 14.7 x 2.6 cm; 0.28 g |

## Product Details

- **Brand:** Western Digital
- **Colour:** Red
- **Compatible devices:** Desktop
- **Connectivity technology:** SATA
- **Digital storage capacity:** 4000 GB
- **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

## Images

![Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware - Image 1](https://m.media-amazon.com/images/I/516ATVgjPOS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Discontinued model harddisk.
*by M***H on 6 April 2025*

I had a nas with one on my customers with 4 harddisk raid with this harddisk. Now that this particular model harddisk is not available in the market, found it here. Thanks.

### ⭐⭐⭐⭐ Review
*by B***N on 22 July 2025*

I ordered this item in a rush because a drive crashed in a NAS. Before buying a NAS disk, inform yourself sufficiently to see if this item would satisfy your particular needs. This replacement item does the job, though it is not on the compatibility list published by the NAS manufacturer.

### ⭐⭐⭐⭐⭐ Review
*by A***I on 4 April 2023*

Fa quel che deve, lo fa bene. Prodotto consegnato nei tempi indicati, ottimo imballaggio.

## Frequently Bought Together

- Western Digital WD40EFRX WD Red NAS Hard Drive - Hard drive - 4 TB - internal - 3.5 inch - SATA 6Gb/s - buffer: 64 MB - for WD My Cloud EX2, EX4
- Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD120EFAX

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**Shop now:** [https://www.desertcart.nz/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb](https://www.desertcart.nz/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-17*