---
product_id: 65925706
title: "WD Red Pro 4TB NAS 3.5\" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 256MB Cache"
brand: "wd"
price: "¥88721"
currency: JPY
in_stock: true
reviews_count: 13
category: "Wd"
url: https://www.desertcart.jp/products/65925706-wd-red-pro-4tb-nas-3-5-internal-hard-drive
store_origin: JP
region: Japan
---

# 7200 RPM high-speed performance 256MB cache for ultra-smooth data flow 300TB/year workload rating for heavy-duty reliability WD Red Pro 4TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 256MB Cache

**Brand:** wd
**Price:** ¥88721
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your NAS game with WD Red Pro — where speed meets unstoppable reliability!

## Quick Answers

- **What is this?** WD Red Pro 4TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 256MB Cache by wd
- **How much does it cost?** ¥88721 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/65925706-wd-red-pro-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

- • **Massive 4TB Capacity:** Store years of critical files, backups, and media with ample space designed for professional-grade NAS setups.
- • **Blazing 7200 RPM Speed:** Experience lightning-fast data access and transfer that keeps your NAS running at peak efficiency.
- • **Built for Heavy Workloads:** Supports up to 300TB/year workload—ideal for managers who need storage that works as hard as they do.
- • **Optimized NASware 3.0 Tech:** Enhanced error recovery and 3D Active Balance Plus ensure rock-solid reliability and minimal downtime.
- • **Seamless SATA 6 Gb/s Interface:** Maximize throughput with the latest SATA standard, perfect for demanding multi-drive NAS environments.

## Overview

The WD Red Pro 4TB NAS Internal Hard Drive delivers professional-grade 7200 RPM performance with a 256MB cache and SATA 6 Gb/s interface. Engineered for NAS environments, it supports up to 300TB/year workload with advanced NASware 3.0 technology and 3D Active Balance Plus for enhanced durability and error recovery. Perfect for demanding multi-bay NAS systems, it offers robust, reliable storage tailored for the modern professional.

## Description

Buy

Review: Excellent and robust NAS drive - I bought another pair of the 4TB WD Red Pro drives to go in another Synology DS218 NAS, my third now. These drives have the extra benefit of being optimised for NAS working and are heavy duty, and the Synology knows about them and how to make the best use of the system. Except for some chatter when the heads are seeking, I cannot hear them working unless I use a screwdriver as a "mechanic's stethoscope" on the box. The box runs cool. The drives do not come with a fitting kit, but this is not required in most installations which expect to see standard drives and have appropriate mounting systems, as is the case with the Synology. Commissioning and drive checking took about an hour, including unpacking, initialising, updating, and installing all the software and permissions needed. The end capacity in the NAS is not 4TB, but much closer to 3.6TB after big-drive formatting and RAID system are taken into account. However I am happy with this as it is about two years worth of storage, and then it will be time for another newer RAID drive. More smaller new systems with incremental improvements instead of one big old slow one is like having several easily managed baskets for one's precious eggs instead of a big heavy one just asking to be dropped.
Review: Great HDD, just one small niggle... - Bought this 10tb drive to replace a 5 year old 6tb drive in a NAS, as usual with WD its great and time will tell if it lasts. Only thing to mention is it runs noticeably louder than my previous drives

## Features

- 7200RPM performance class
- Available in capacities ranging from 2-22TB with support for up to 24 bays
- Supports up to 300TB/yr workload rate
- Enhanced reliability with 3D Active Balance Plus technology and error recovery controls with NASware 3.0 technology

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07B1WK3N5 |
| Are Batteries Included | No |
| Best Sellers Rank | 28,434 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 13 in Network Attached Storage (NAS) Devices |
| Brand | WD |
| Colour | Black |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,791) |
| Date First Available | 20 Feb. 2018 |
| Form Factor | 3.5-inch |
| Guaranteed software updates until | unknown |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Rotational Speed | 7200 RPM |
| Hard Drive Interface | Serial ATA |
| Hard Drive Size | 4 TB |
| Item Weight | 717 g |
| Item model number | WD4003FFBX-SPMU3N0 |
| Lithium Battery Energy Content | 2 Kilowatt Hours |
| Lithium Battery Packaging | Batteries packed with equipment |
| Lithium Battery Weight | 2 Grams |
| Manufacturer | Western Digital |
| Number Of Lithium Ion Cells | 5 |
| Number of Lithium Metal Cells | 5 |
| Number of USB 2.0 Ports | 1 |
| Product Dimensions | 14.71 x 10.16 x 2.62 cm; 716.68 g |
| Series | Red Pro |
| Voltage | 1 Volts |
| Wattage | 7.2 |

## Product Details

- **Brand:** WD
- **Colour:** Black
- **Compatible devices:** Desktop, Laptop, Server
- **Connectivity technology:** SATA
- **Digital storage capacity:** 4 TB
- **Hard disk description:** Mechanical Hard Disk
- **Hard disk form factor:** 3.5 Inches
- **Hard disk interface:** Serial ATA
- **Installation type:** Internal Hard Drive
- **Special feature:** Shock Resistant

## Images

![WD Red Pro 4TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 256MB Cache - Image 1](https://m.media-amazon.com/images/I/61YzpZroeKL.jpg)

## Available Options

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

## Questions & Answers

**Q: 4 of these drives good for 32tb 24/7 dlna nas server? Don’t want to beat a dead horse here... Really it’s just to stream my 10Bit 4K movies using DLNA**
A: It all depends on what size and what RAID configuration you are asking about.  Most people would be using RAID 5 or something like Synology's SHR (similar to RAID 5 but doesn't require equal size hard drives) for this purpose. If you are thinking that 4x8TB will give you 32TB of storage that is not correct in RAID 5 because of the overhead used for data protection.  It works like this for RAID 5, 4x8TB = 24TB storage, 4x10TB = 30TB storage, 4x12 = 36TB storage.  So first determine which RAID configuration works best for you and then find a RAID calculator available online to choose your RAID configuration and hard drive size.  If you just want speed, with no parity checking then you could go with 4x8TB or 2x16 TB (whichever is cheaper) in RAID 0 for 32TB of storage but file corruption could be an issue and there is a possibility that you can only do 2 hard drives in RAID depending on your hardware.
Having said all that, these drives will certainly stream 4k 10-bit HDR movies over DLNA.  Streaming 4k is just as much up to the software and hardware of your computer than it is the hard drives.  A nicely configured Windows machine, for example, may stream them fine however a less powerful NAS device may not.  There are a lot of moving parts but these drives will not be an issue.  There are also issues with playing the 265 codecs in Windows 10 Media Player but the same files that will not play in Media Player, will stream via DLNA to my LG TV just fine and play in full 2160p HDR with no problem.  These same files will show up fine in my 9 year old NAS but will not stream via DLNA on it but photos stream fine.  So it all depends on your exact configuration.  But the drives are fine.
If it all gets too hard then just get a fast (say 400 MB per second) USB stick and copy 10 movies at a time on to it and plug it into your TV.  The Samsung BAR Plus 256 GB works well for this in my experience.  You can also look into getting streaming server software on your computer and a client connected to your TV.

**Q: What is the difference between this and the WD Black drive?**
A: The Red is engineered for 24/7 usage.  The Black is not.

**Q: Is the red wd drives better for cctv/nvr in raid setup than the purple drives? i hear purple drives are not lasting long. both red and purple are 24/7**
A: I use my purple drives with 9 cameras 24 x 7 and have over three years without a single failure.  pretty good if you ask me.

**Q: Can I use this as an external storage for my desktop?**
A: I have four of the earlier 3tB versions of this drive in external USB3 enclosures and use them in rotation for critical full system backups. They have served very well in that capacity. I also have one of the 3tB drives in my main daily-driver computer now and it does that quite well although it isn't as fast as some but since it is used mostly for secondary data store it doesn't matter so much. The reason that I have so many of the older 3tB drives is that I upgraded all of the drives in my Drobo NAS to 6tB drives a while back. Those drives as well as five of the 8tB units in another NAS have worked perfectly so I can highly recommend them (for the proper use, of course).

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent and robust NAS drive
*by R***S on 8 June 2019*

I bought another pair of the 4TB WD Red Pro drives to go in another Synology DS218 NAS, my third now. These drives have the extra benefit of being optimised for NAS working and are heavy duty, and the Synology knows about them and how to make the best use of the system. Except for some chatter when the heads are seeking, I cannot hear them working unless I use a screwdriver as a "mechanic's stethoscope" on the box. The box runs cool. The drives do not come with a fitting kit, but this is not required in most installations which expect to see standard drives and have appropriate mounting systems, as is the case with the Synology. Commissioning and drive checking took about an hour, including unpacking, initialising, updating, and installing all the software and permissions needed. The end capacity in the NAS is not 4TB, but much closer to 3.6TB after big-drive formatting and RAID system are taken into account. However I am happy with this as it is about two years worth of storage, and then it will be time for another newer RAID drive. More smaller new systems with incremental improvements instead of one big old slow one is like having several easily managed baskets for one's precious eggs instead of a big heavy one just asking to be dropped.

### ⭐⭐⭐⭐⭐ Great HDD, just one small niggle...
*by M***G on 8 August 2024*

Bought this 10tb drive to replace a 5 year old 6tb drive in a NAS, as usual with WD its great and time will tell if it lasts. Only thing to mention is it runs noticeably louder than my previous drives

### ⭐⭐⭐⭐⭐ It's WD, always No.1 in my book.
*by J***E on 4 June 2023*

I've been using Toshiba drives recently in my NAS drive, I was impressed with them, but now at only around 3 years of low use i'm starting to see errors in the SMART reporting system. Now I know it doesn't always mean they're going to die imminently....but they could...so it was time to start replacing them, and as i expect 5 years minimum from a low usage drive I decided to leave Toshiba & go back to Western Digital....I've tried Seagate before and found them to be very poor on the reliability front..so WD it is. This is my first time on these particular drives, the Red PRO, it uses CMR technology which is supposed to be a step up from the old SMR technology, faster speeds and reliability, also these have a 5 year, (limited) warranty...the Pro is a little bit more expensive than the basic Red version, but hopefully the little bit more spent equates to a better drive overall with a longer lifespan... Hopefully if it works well i'll replace my other drives with these Red plus ones too.

## Frequently Bought Together

- Western Digital 4TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD4003FFBX
- Synology 2-Bay DiskStation DS224+ (Diskless)
- Western Digital 2TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD2002FFSX

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-10*