---
product_id: 523941875
title: "WD Red Plus 4TB NAS 3.5\" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 256MB Cache"
brand: "wd"
price: "€ 465.86"
currency: EUR
in_stock: true
reviews_count: 11
category: "Wd"
url: https://www.desertcart.hr/products/523941875-wd-red-plus-4tb-nas-3-5-internal-hard-drive
store_origin: HR
region: Croatia
---

# SATA 6Gb/s ultra-fast interface 4TB high-capacity storage 256MB cache for burst performance WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 256MB Cache

**Brand:** wd
**Price:** € 465.86
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your NAS game with WD Red Plus — storage that works as hard as you do!

## Quick Answers

- **What is this?** WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 256MB Cache by wd
- **How much does it cost?** € 465.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/523941875-wd-red-plus-4tb-nas-3-5-internal-hard-drive)

## Best For

- wd enthusiasts

## Why This Product

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

## Key Features

- • **Efficient & Quiet Operation:** 5400 RPM class drive balances power consumption and noise, perfect for always-on environments.
- • **Plug-and-Play Compatibility:** Optimized NASware firmware supports up to 8 bays, making integration into your NAS system hassle-free.
- • **Massive 4TB Storage Capacity:** Store and stream your critical data effortlessly with ample space for business or media needs.
- • **Seamless RAID & Backup Performance:** CMR technology guarantees consistent speeds and flawless rebuilds under heavy workloads.
- • **Engineered for 24/7 NAS Reliability:** Purpose-built WD Red Plus ensures rock-solid, continuous operation in multi-bay NAS setups.

## Overview

The WD Red Plus 4TB NAS internal hard drive combines high-capacity storage with NASware firmware and CMR technology to deliver reliable, quiet, and efficient 24/7 performance. Featuring a 256MB cache and SATA 6Gb/s interface, it supports up to 8-bay NAS systems and an annual workload rate of 180TB, making it ideal for small to medium business NAS, RAID arrays, and continuous data backup.

## Description

Reliable, high-capacity 4TB WD Red Plus hard drive for 24/7 operation in small or medium NAS systems, supporting up to 8 bays and 180TB/year workload.

Review: Good priced 12TB WD plus HDD - Great price. Compared to other places. Had to wait for it to come into stock though Could of had a bit more packaging, but the manufacturers box had quite good packing inside and I did a (15hour) long smart test when I first got the HDD, to make sure there was no bad sectors and was fine. Perfect for a back up for my 2 WD Pro Nas 4TB HDDs (which are going strong after 5 years) in my NAS at home.
Review: Rock-Solid NAS Drive, Reliable, Quiet & Perfect for 24/7 Server Us - I’ve been using the WD Red Plus 8TB NAS Hard Drive in my home server/NAS setup, and it’s been absolutely faultless. It’s clearly built for continuous 24/7 use, stable performance, no random disconnects, and no weird behaviour under heavy load. The fact that this is CMR (not SMR) is a massive advantage. Rebuilds, RAID operations, backups, and sustained writes all perform exactly as they should, with consistent speeds and no performance drops. It’s a night-and-day difference compared to SMR drives for server use. Noise and vibration are impressively low for an 8TB mechanical drive. Even with multiple drives running together, it stays quiet and well-behaved,perfect for a home environment where the server is always on. The 256MB cache helps with burst performance, and the 5640 RPM class keeps power consumption and heat nicely under control. Temps have stayed very comfortable even in a tightly packed drive enclosure. If you’re building: • A NAS • A home server • A media server • A backup array • Or a RAID setup This drive is an absolute workhorse. Reliable, quiet, efficient, and purpose-built for the job. Highly recommended.

## Features

- Available in capacities ranging from 1-14TB with support for up to 8 bays
- Supports up to 180 TB/yr workload rate | Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
- NASware firmware for compatibility
- Small or medium business NAS systems in a 24x7 environment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BDXSK2K7 |
| Best Sellers Rank | 2,540 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 8 in Internal Hard Drives |
| Box Contents | Internal Hard Drive |
| Brand Name | WD |
| Cache Memory Installed Size | 4 |
| Color | Red |
| Compatible Devices | Desktop, NAS |
| Customer Reviews | 4.3 4.3 out of 5 stars (4,016) |
| Digital Storage Capacity | 4 TB |
| Enclosure Material | Aluminium |
| Form Factor | 3.5-inch |
| Global Trade Identification Number | 00718037899794 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Interface | SATA 6 GB/s |
| Hard Disk Rotational Speed | 5.4E+3 RPM |
| Hard-Drive Size | 4 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Installation Type | Internal Hard Drive |
| Item Type Name | Internal Hard Drive |
| Item Weight | 570 Grams |
| Manufacturer | Western Digital |
| Media Speed | 100-150 MB/s |
| Model Name | WD Red Plus |
| Model Number | WD40EFPX |
| Network Connectivity Technology | SATA |
| Number of Items | 1 |
| Product Features | Portable |
| Product Warranty | 2 year manufacturer |
| Read Speed | 150 Megabytes Per Second |
| Specific Uses For Product | Business, NAS |
| UPC | 718037899794 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** WD
- **Colour:** Red
- **Compatible devices:** Desktop, NAS
- **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 feature:** Portable

## Images

![WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 256MB Cache - Image 1](https://m.media-amazon.com/images/I/81wgF5tXOJL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this WD Red drive backed by WD's 3-year limited warranty? I don't see it in the product description.**
A: I had an issue with some of the WD Red drives I had purchased through Amazon...
I had a failure and contacted WD for replacement under warranty...  
I was told that the drive I had only had a one year warranty period not the three year.
The drive serial number started with WD and that indicated it was a drive from a single disk NAS..  those have only a one year warranty
Where the other drives carry the 3 year.  
What is the difference in the drives i can not say or tell from looking at them and no other information was provided by WD.
I was told I needed to go back to the seller and see if they would fix the issue.
Since I've bought a number of drives over the last three years one at a time and registered them with WD, I didn't mark each drive and could not tell which drive came from what seller since the invoices didn't indicate the serial number of the drives..   I have 4 other drives in that situation. Since it was registered at the time I received the drive I know it was within the 3 years but after the 1 year warranty that WD would support.  I had to buy a replacement..  Thing is that all the drive were in WD boxes and sealed in static bags.

**Q: Can this drive be installed into an external HD case and used as a single drive media server or does it have to be installed in a NAS case?**
A: It's designed for continuous use and not intended to be shut down and restarted on a routine basis.  Those that say that they lack the performance of a desktop HD is just not true. they have similar performance characteristics with most 5200 RPM drives. One typically doesn't put a 4TB drive in a PC as a system drive. Usually, you would use a 1 TB drive that are typically 7200 RPM, which does provide better performance. If you really need that much space  in your PC (system or otherwise) you're better off not using a NAS drive, something like the Seagate Barracuda.

**Q: Why is this more expensive than an external wd 10 tb drive such as: https://www.amazon.com/s?k=wd+10tb+elements+desktop+usb+3.0+external+hard+drive&re**
A: The retail storage market is more competitive. NAS and Enterprise drives meet 24/7/365 read write reliability benchmarks and typically have a 3-5 year warranty. Retail consumer drives may in some cases last as long as NAS drives, but typically will have a shorter warranty. Note that liberating a hard drive from a retail external enclosure (to use in a PC) would likely void the drives warranty altogether.

**Q: Can this drive be used to replace the internal hard drive within the apple 3tb time capsule?**
A: Depends if it uses a 2.5in or 3.5inch drive or not. Specs are probably fine but need to know what size of hard drive it takes. Based on the dimensions of the apple device, it might accommodate this. Based on the apple dimensions, I would be surprised if it uses 3.5in drives but it isn't impossible.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good priced 12TB WD plus HDD
*by A***A on 1 March 2026*

Great price. Compared to other places. Had to wait for it to come into stock though Could of had a bit more packaging, but the manufacturers box had quite good packing inside and I did a (15hour) long smart test when I first got the HDD, to make sure there was no bad sectors and was fine. Perfect for a back up for my 2 WD Pro Nas 4TB HDDs (which are going strong after 5 years) in my NAS at home.

### ⭐⭐⭐⭐⭐ Rock-Solid NAS Drive, Reliable, Quiet & Perfect for 24/7 Server Us
*by C***O on 8 December 2025*

I’ve been using the WD Red Plus 8TB NAS Hard Drive in my home server/NAS setup, and it’s been absolutely faultless. It’s clearly built for continuous 24/7 use, stable performance, no random disconnects, and no weird behaviour under heavy load. The fact that this is CMR (not SMR) is a massive advantage. Rebuilds, RAID operations, backups, and sustained writes all perform exactly as they should, with consistent speeds and no performance drops. It’s a night-and-day difference compared to SMR drives for server use. Noise and vibration are impressively low for an 8TB mechanical drive. Even with multiple drives running together, it stays quiet and well-behaved,perfect for a home environment where the server is always on. The 256MB cache helps with burst performance, and the 5640 RPM class keeps power consumption and heat nicely under control. Temps have stayed very comfortable even in a tightly packed drive enclosure. If you’re building: • A NAS • A home server • A media server • A backup array • Or a RAID setup This drive is an absolute workhorse. Reliable, quiet, efficient, and purpose-built for the job. Highly recommended.

### ⭐⭐⭐⭐⭐ Great Value and Highly Recommended
*by N***A on 12 October 2025*

I recently picked up this Hard drive to go into my Ugreen NAS, and it has been great. I bought it specifically to host my Plex media server and also to keep all my private files safely stored away. I'm really happy with this purchase as it's doing exactly what I needed and I feel it was good value for money. The first one I received was actually faulty and my NAS didn't recognise it at all, but the seller was brilliant and replaced it straight away without any fuss, which was a huge relief. When it comes to how the drive performs, it’s reliable and the speeds are decent for what I use it for—it handles streaming from the Plex server with no issues. Even though I had a slight snag with the first one being faulty, the quick replacement service means I still highly recommend this Hard drive to anyone looking for one.

## Frequently Bought Together

- Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX
- Synology 2-Bay DiskStation DS224+ (Diskless)
- Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-04-23*