---
product_id: 521738837
title: "Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1"
brand: "razer"
price: "R77"
currency: ZAR
in_stock: true
reviews_count: 5
url: https://www.desertcart.co.za/products/521738837-razer-pwm-pc-fan-controller-connects-up-to-8-fans
store_origin: ZA
region: South Africa
---

# Supports 8 fans via 4-pin PWM headers Customizable fan curve profiles Slim 18.65mm thin profile Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1

**Brand:** razer
**Price:** R77
**Availability:** ✅ In Stock

## Summary

> 🖤 Master your airflow, own your cool.

## Quick Answers

- **What is this?** Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1 by razer
- **How much does it cost?** R77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/521738837-razer-pwm-pc-fan-controller-connects-up-to-8-fans)

## Best For

- razer enthusiasts

## Why This Product

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

## Key Features

- • **Real-Time Fan Monitoring:** Stay in the know with convenient, on-the-fly fan speed tracking.
- • **Tailored Cooling Profiles:** Create and switch between custom fan curves to match your workload and vibe.
- • **Sleek & Space-Savvy Design:** Ultra-thin 18.65mm profile fits discreetly in any setup without bulk.
- • **Ultimate Multi-Fan Control:** Manage up to 8 PWM fans seamlessly for peak cooling performance.
- • **Magnetic Mounting Flexibility:** Easily attach externally with magnets—perfect for hidden or desk-integrated PCs.

## Overview

The Razer PWM PC Fan Controller supports up to 8 four-pin PWM fans, allowing precise control through customizable fan curve profiles. Its slim 18.65mm design and magnetic mounting make it ideal for sleek, hidden, or desk-integrated PC builds. With real-time fan monitoring and internal USB 2.0 support, it offers professional-grade cooling management backed by a 2-year warranty.

## Description

From the manufacturer Connect Up to 8 Fans Designed to provide voltage and PWM control for up to 8 fans, the Razer PWM Fan controller supports a diverse range of PC build requirements. Custom Fan Curve Profiles Create custom fan curve profiles via Razer Synapse and have your case fans automatically adjust their speeds based on system temperature including the ability to run at zero RPM for total silence. Convenient Fan Monitoring Keep track and adjust fan speeds all from a single intuitive interface with Razer Synapse software.

Review: Perfect for my PC cabinet - I used this along with 7 Noctua fans to cool off the inside of a cabinet I built to hold my gaming pc (5800x w/240 AIO + 3090fe neither break 65c under gaming load) work laptop, small network switch and my APC. The install and configuration process is incredibly simple and works right out of the box. I mounted this externally from my PC case but it has magnets that allow it to stick to the metal of your case. The fans are mounted using AC Infinity grills. I created a couple custom fan curves, one Idle and the other for Gaming. I’m not going to take any stars away but there could be some improvements to the configuration. I’d really like to see the option to set the fans to 0 RPM. Might not be the best option for me but I can see where it would be beneficial. I’d also like to see a PWM option, that allows you to control the fans speed based on the GPU temp, currently on the CPU temp is taken into consideration. I emailed Razer’s suggestion box so it could still happen. If you’re working on a “hidden PC” or PC in a desk, this has to be on your component short list!
Review: Excelente - Es un controlador excelente y mas si ya usas el ecosistema de Razer, el cual es genial!!

## Features

- Cable Type : DC TO SATA I Cable Type : Micro to USB Header
- Support: 4-pin X 8 PWM headers I USB Support: Internal USB 2.0 9 pin
- Connects with up to 8 Fans I Custom Fan Curve Profiles I Convenient Fan Monitoring
- Dimensions: 100 x 70 x 18.65mm I Weight: 80 grams
- 2 Year Manufacturer Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09JRW71K1 |
| Best Sellers Rank | #108,792 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #1,322 in CPU Fans |
| Brand | Razer |
| Brand Name | Razer |
| Colour | Black |
| Customer Reviews | 4.3 out of 5 stars 208 Reviews |
| Display Type | LED |
| Importer Contact Information | Acro Engineering Company |
| Item Type Name | Fan Controller |
| Item Weight | 80 Grams |
| Manufacturer | Razer, Razer |
| Manufacturer Contact Information | Razer |
| Material | Polycarbonate (PC) |
| Material Type | Polycarbonate (PC) |
| Model Number | RZ34-02140700-R3M1 |
| Packer Contact Information | Razer |
| Part Number | RZ34-02140700-R3M1 |
| UPC | 810056145941 |
| Unit Count | 1 Count |
| Warranty Description | 2 year manufacturer |

## Product Details

- **Brand:** Razer
- **Colour:** Black,
- **Display Type:** LED
- **Item Weight:** 80 Grams
- **Material:** Polycarbonate (PC)

## Images

![Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1 - Image 1](https://m.media-amazon.com/images/I/41lxI4YPXWL.jpg)
![Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1 - Image 2](https://m.media-amazon.com/images/I/61udodW-6mL.jpg)
![Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1 - Image 3](https://m.media-amazon.com/images/I/519KaphvJAL.jpg)
![Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1 - Image 4](https://m.media-amazon.com/images/I/61LpLaCGEHL.jpg)
![Razer PWM PC Fan Controller: Connects Up to 8 Fans I Supports 4-pin X 8 PWM headers I Custom Fan Curve Profiles I Convenient Fan Monitoring I Thin Profile I Black-RZ34-02140700-R3M1 - Image 5](https://m.media-amazon.com/images/I/51o2POi92rL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for my PC cabinet
*by J***T on 20 March 2022*

I used this along with 7 Noctua fans to cool off the inside of a cabinet I built to hold my gaming pc (5800x w/240 AIO + 3090fe neither break 65c under gaming load) work laptop, small network switch and my APC. The install and configuration process is incredibly simple and works right out of the box. I mounted this externally from my PC case but it has magnets that allow it to stick to the metal of your case. The fans are mounted using AC Infinity grills. I created a couple custom fan curves, one Idle and the other for Gaming. I’m not going to take any stars away but there could be some improvements to the configuration. I’d really like to see the option to set the fans to 0 RPM. Might not be the best option for me but I can see where it would be beneficial. I’d also like to see a PWM option, that allows you to control the fans speed based on the GPU temp, currently on the CPU temp is taken into consideration. I emailed Razer’s suggestion box so it could still happen. If you’re working on a “hidden PC” or PC in a desk, this has to be on your component short list!

### ⭐⭐⭐⭐⭐ Excelente
*by F***A on 6 April 2023*

Es un controlador excelente y mas si ya usas el ecosistema de Razer, el cual es genial!!

### ⭐⭐⭐⭐⭐ Really good fan hub
*by G***S on 22 October 2023*

I really like having just one program for everything so this works perfect for me. Just needs an update to let the fans be controlled with the GPU temp and this will be the best fan hub for someone that already has razer stuff.

## Frequently Bought Together

- Razer PWM PC Fan Controller: Connects Up to 8 Fans - Custom Fan Curve Profiles - Convenient Fan Monitoring - Thin Profile
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- Razer Hanbo Chroma RGB All in One Liquid Cooler aRGB Pump Cap: AIO Design - Quiet, Powerful aRGB Fans - PWM Fan Controller Support - Intel LGA 115X Series, 2011, 1200, 1700, AM5 Compatible - 360MM

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-06*