I'm confused. this splitter should have pwm control. i plugged in 3 pcs 3-pin fans but my motherboard doesn't detect it as pwm. cannot control it.

In order for it to work you have to have 4 pin fans plugged into it. Plugged 3 pins into it doesn't make them able to receive a PWM (pulse width modulated) signal just because the connector on the MB has 4 pins

Can I control the fan speed ? I am gonna be using a 140mm nzxt fan, 120 mm Nzxt and a 3 120 mm cooler master sickle flow

no, it will try to spin each fan at the same speed but since you will be using a lot of different fans with different amp/voltage ratings, they will all spin at different speeds except for fans of the same make and model. Usually people buy these to run a whole bunch of the same type of fans on a radiator off of only one pwm on their motherboard.

When I plugged in my fans, they all spun faster than before and are very loud. Is there a way to fix this?

Yes there is. Method 1. If your motherboard has a fan control suite/software you can do it that way. I used to use this method but it was always running at full blast by my choice because my system was overclocked and hot. 2nd. The method i use now. Speedfan software. You program it and then your fan speeds are automatic depending on your temps. I have 7 fand and I'm running quietly at idle right now

Can you control the speed of the fans using software like speedfan when using the cpf04?

When I tried using this it ran all fans at 100% all the time. I tried to figure out how to low the speed and couldn't get it to work the way I wanted it to.

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SilverStone PWM Fan Hub System Cables, Black (CPF04)

Product ID: 15161606

Details

Brand
SilverStone
Compatible Devices
Desktop
Cooling Method
forced air
Global Trade Identification Number
Noise Level
25 Decibels
Power Connector Type
pwm

⚡2200μF capacitor for stable voltage

📊Accurate speed detection for 8 fans

🔌1-to-8 PWM fan connectors

R816

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Description

🖥️ Master your airflow like a pro — cool, controlled, and connected!

STABLE POWER DELIVERY - Built-in 2200μF capacitor ensures clean, consistent voltage
PRECISION FAN MANAGEMENT - Speed detection sensors optimize fan RPM for silent efficiency
SATA POWERED RELIABILITY - Direct SATA power means no motherboard strain or power dips
SLEEK FUNCTIONAL DESIGN - Glossy black finish fits perfectly in visible PC builds
EXPAND YOUR COOLING CONTROL - One PWM header powers up to 8 fans seamlessly

The SilverStone CPF04 PWM Fan Hub expands a single motherboard PWM fan header to support up to eight fans, powered via SATA for stable voltage thanks to its 2200μF capacitor. It features speed detection sensors for precise fan control, making it ideal for enthusiasts managing multiple high-performance cooling fans in sleek, modern PC builds.

Specifications

ASIN	B00VNW556I
Best Sellers Rank	#1,643 in Computer Case Fans
Brand	SilverStone
Brand Name	SilverStone
Cable Type	PWM
Color	CPF04
Compatible Devices	Desktop
Compatible Phone Models	No Compatible Phone Models
Connector Type	Pwm
Customer Reviews	4.5 out of 5 stars 1,202 Reviews
Global Trade Identification Number	00844761011741
Item Weight	0.27 g
Manufacturer	Silverstone
Model	CPF04
Number of Items	1
Number of Pins	9
Other Special Features of the Product	Speed Detection, Stable Voltage
Part Number	CPF04
Recommended Uses For Product	Computer cooling system management
Special Feature	Speed Detection, Stable Voltage
Specification Met	No
UPC	844761011741
Unit Count	1 Count
Warranty Description	1 Year Parts and Labor
Wattage	4 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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R816

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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