---
product_id: 470071066
title: "22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5\" - WD221KFGX"
brand: "western digital"
price: "¥165687"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/470071066-22tb-wd-red-pro-nas-internal-hard-drive-hdd-7200
store_origin: JP
region: Japan
---

# 7200 RPM high-speed spin 22TB massive capacity SATA 6 Gb/s ultra-fast interface 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX

**Brand:** western digital
**Price:** ¥165687
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX by western digital
- **How much does it cost?** ¥165687 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/470071066-22tb-wd-red-pro-nas-internal-hard-drive-hdd-7200)

## 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

- • **Massive 22TB Storage:** Store and scale your data empire effortlessly with industry-leading capacity.
- • **SATA 6 Gb/s Interface:** Maximize throughput with the latest SATA technology for ultra-fast connectivity.
- • **Blazing 7200 RPM Speed:** Experience rapid data access and transfer speeds that keep your workflow seamless.
- • **Optimized for NAS 24/7:** Engineered to thrive in multi-user, always-on NAS environments without breaking a sweat.
- • **Rock-Solid Reliability:** Backed by a 5-year warranty and rated for 550TB/year workload to keep your data safe and accessible.

## Overview

The Western Digital 22TB WD Red Pro NAS Internal Hard Drive is a powerhouse designed for medium-sized businesses and power users managing large-scale data. Featuring a 7200 RPM spindle speed, SATA 6 Gb/s interface, and a hefty 512MB cache, it delivers fast, reliable performance optimized for 24x7 multi-user NAS environments. Rated for a 550TB/year workload and compatible with up to 24-bay NAS systems, this drive ensures seamless data sharing, backup, and access with a robust 5-year warranty for peace of mind.

## Description

Built for power users and medium-sized businesses struggling to manage rapidly growing amounts of data, WD Red Pro drives are specifically designed for NAS systems with up to 24 bays. Engineered to handle high-intensity workloads in 24x7 environments, WD Red Pro is ideal for archiving, protecting, and sharing data with a large number of users or multiple data-hungry applications. These drives add value to your business by enabling your employees to quickly share files, back up folders, and access data quickly and reliably in your NAS system.

Review: WesternDigital 8TB - This is an excellent NAS hard drive with 8 TB of storage, specifically designed for home or small business NAS systems. Its stable performance, low noise level, and good energy efficiency make it ideal for backups, multimedia storage, or RAID configurations. Many users highlight its reliability and ample capacity for large amounts of data. Some mention that it can be a bit noisy during intense data transfers, but overall, it offers great value for money and reliable 24/7 operation.
Review: Rock-Solid 26TB WD Red Pro NAS Drive - I ordered the 26TB Western Digital Red Pro NAS internal hard drive, and it exceeded expectations right from the start. It arrived fast, was packaged securely, and installed without any issues. Once up and running, the drive performed exactly as expected—quiet, cool, and incredibly reliable. Transfer speeds are smooth, and it integrated seamlessly into my NAS setup. For large storage needs, backups, or expanding a home server, this drive is a powerhouse. If you’re looking for top-tier performance, huge capacity, and dependable WD Red Pro quality, this 26TB model is a fantastic choice. Would absolutely purchase again.

## Features

- Available in capacities ranging from 2 to 22TB(1) | (1) 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.
- For RAID-optimized NAS systems with unlimited number of bays
- Rated for 550TB/yr workload rate(2) | (2) Annualized Workload Rate = TB transferred x (8760 / recorded power-on hours). The maximum rated workload is specified for operating at typical temperature of 40C. Workload Rate will vary depending on your hardware and software components and configurations.
- Designed to handle the demands of high-intensity 24x7 multi-user NAS environments
- Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS enclosures

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B5W1CQ8W |
| Additional Features | Not_Performance_Used |
| Best Sellers Rank | #3 in Internal Hard Drives |
| Brand | Western Digital |
| Built-In Media | Internal Hard Drive |
| Cache Memory Installed Size | 512 |
| Color | Red |
| Compatible Devices | NAS Server |
| Connectivity Technology | SATA |
| Customer Reviews | 4.3 out of 5 stars 6,844 Reviews |
| Digital Storage Capacity | 22 TB |
| Enclosure Material | Information Not Available |
| Form Factor | 3.5-inch |
| Global Trade Identification Number | 00718037893501 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Interface | Serial ATA-600 |
| Hard Disk Rotational Speed | 7200 RPM |
| Hard-Drive Size | 22 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Installation Type | Internal Hard Drive |
| Item Dimensions L x W x Thickness | 5.79"L x 4"W x 1.03"Th |
| Item Height | 1.03 inches |
| Item Type Name | Hard Drive |
| Item Weight | 1.48 Pounds |
| Manufacturer | Western Digital Technologies, Inc. |
| Model Name | WD Red Pro |
| Model Number | WD221KFGX-SPB9KN0 |
| Number of Items | 1 |
| Read Speed | 445 Bytes Per Second |
| Specific Uses For Product | NAS |
| UPC | 718037893501 |
| Unit Count | 1.0 Count |
| Warranty Description | 5 year limited warranty |

## Product Details

- **Digital Storage Capacity:** 22 TB
- **Hard Disk Interface:** Serial ATA-600
- **Connectivity Technology:** SATA
- **Brand:** Western Digital
- **Special Feature:** Not_Performance_Used
- **Hard Disk Form Factor:** 3.5 Inches
- **Hard Disk Description:** Mechanical Hard Disk
- **Compatible Devices:** NAS Server
- **Installation Type:** Internal Hard Drive
- **Color:** Red

## Images

![22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX - Image 1](https://m.media-amazon.com/images/I/61LfBBllx7L.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

### ⭐⭐⭐⭐⭐ WesternDigital 8TB
*by A***Z on January 5, 2026*

This is an excellent NAS hard drive with 8 TB of storage, specifically designed for home or small business NAS systems. Its stable performance, low noise level, and good energy efficiency make it ideal for backups, multimedia storage, or RAID configurations. Many users highlight its reliability and ample capacity for large amounts of data. Some mention that it can be a bit noisy during intense data transfers, but overall, it offers great value for money and reliable 24/7 operation.

### ⭐⭐⭐⭐⭐ Rock-Solid 26TB WD Red Pro NAS Drive
*by G***G on November 28, 2025*

I ordered the 26TB Western Digital Red Pro NAS internal hard drive, and it exceeded expectations right from the start. It arrived fast, was packaged securely, and installed without any issues. Once up and running, the drive performed exactly as expected—quiet, cool, and incredibly reliable. Transfer speeds are smooth, and it integrated seamlessly into my NAS setup. For large storage needs, backups, or expanding a home server, this drive is a powerhouse. If you’re looking for top-tier performance, huge capacity, and dependable WD Red Pro quality, this 26TB model is a fantastic choice. Would absolutely purchase again.

### ⭐⭐⭐⭐⭐ Good value per Terabyte.
*by N***7 on December 7, 2025*

I replaced 8 six year old 4T drives with 4 of these 16T drives in my NAS. The drives went right in and worked like a charm. I noticed no notable sound increase and the speed was no different than my last ZFS array. I’ve always had good luck with these drives from a durability and mass storage perspective. Their reliability is generally solid and they do what I need. They easily integrated. They are slightly heavier than my 4T drives.

## Frequently Bought Together

- Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX
- Samsung 990 PRO SSD 4TB PCIe 4.0 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-V9P4T0B/AM
- Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-27*