How many fans can I connect with this PWM fan splitter?

Each 12-inch splitter connects up to three standard PC fans to one 4-pin motherboard fan header. The package includes two splitter cables. It works with compatible case, CPU cooler, and radiator fans that use standard 3-pin or 4-pin fan connectors.

Why do two fan connectors appear to be missing one pin?

This is ot a defect. Only the labeled Master connector includes the RPM feedback pin, preventing multiple fan speed signals from conflicting at one motherboard header. Connect the fan you want the BIOS or software to monitor to the Master connector.

Will all three 4-pin PWM fans change speed together?

Yes, but all connected 4-pin PWM fans receive the same PWM control signal and adjust speed together. And the motherboard displays the RPM of only the fan connected to the Master branch.

Can I connect 3-pin fans to this splitter?

Yes, but 3-pin fans do not support PWM speed control. They may run at full speed when the motherboard header is set to PWM mode. If the motherboard supports DC or Voltage mode, all connected 3-pin fans may be adjusted together through the BIOS.

Can one motherboard fan header safely power three fans?

Check the motherboard specs and add the rated current of all connected fans. The total must remain within the fan header’s limit. This splitter has no SATA or Molex power input; use a powered PWM hub if the combined load is too high.

Cable Matters 2 Pack 4 Pin Pwm Splitter Cable 30cm

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Power up your PC’s airflow game with seamless triple-fan control!

SLEEK TANGLE FREE - Premium sleeved black nylon cable keeps your build clean and clutter-free.
VALUE DRIVEN 2 PACK - Double the cooling potential with two splitter cables—never run out of airflow options.
PRECISION SPEED SYNC - Master connector shares PWM control and RPM signals for perfectly synchronized fan speeds.
TRIPLE FAN POWER BOOST - Connect 3 PWM fans to a single motherboard header for max airflow.
PLUG PLAY COOLING UPGRADE - Easy installation with universal 4-pin compatibility for popular PC fans like Cooler Master.

The Cable Matters 2 Pack 4 Pin PWM Splitter Cable lets you connect and synchronize up to three PWM computer fans from a single motherboard header, enhancing airflow and cooling efficiency. Featuring durable sleeved nylon cables and precise RPM signal sharing, this splitter is compatible with popular 3-pin and 4-pin fans, offering a tidy, tangle-free solution for professional-grade PC builds.

Specifications

ASIN	B07PXLHNZ6
Best Sellers Rank	224,417 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 2,212 in Thermal Management Products 3,287 in Fans & Cooling
Brand	Cable Matters
Cable Type	PWM Fan Power Cable
Cable type	PWM Fan Power Cable
Colour	Black
Compatible Devices	Personal Computer
Compatible Phone Models	No Compatible Phone Models
Compatible devices	Personal Computer
Compatible phone models	No Compatible Phone Models
Connectivity Technology	PWM
Connector Gender	Male-to-Male
Connector Type	4 Pin Pwm Fan
Connector type	4 Pin Pwm Fan
Customer Package Type	Standard Packaging
Customer Reviews	4.7 out of 5 stars 5,830 Reviews
Indoor Outdoor Usage	Indoor
Item Length	12 Inches
Item Shape	Round
Item Weight	0.03 Kilograms
Manufacturer	Cable Matters
Manufacturer Part Number	104053x2
Maximum Voltage	5 Volts
Model Name	104053x2
Model Number	104053x2
Number of Items	2
Number of Pins	4
Other Special Features of the Product	Tangle Free
Outer Material	Nylon
Recommended Uses For Product	Increasing airflow and fan speed regulation in computer cases
Special feature	Tangle Free
UPC	818707025901
Unit Count	2.0 count
Wattage	36 watts

Reviews

C**R

Good buy

Works as intended, buy them and don't overthink!

7.06.2026

C**S

Excellent value. Quality is great

7.06.2026

J**N

Buen producto

Largos, flexibles con cables gruesos, bastante sorprendido por a calidad, buen producto

12.07.2021

ふ**ち

ケーブルも邪魔にならず、ファン増設に活躍する１品

今年の夏にめちゃくちゃ活躍してくれています！クーラーもあるので、今は１本だけ事足りるのでもう１本は予備に。底面ファン用に使いやすいのでオススメです。

22.08.2026

J**S

Must need for PC

It came with 2 cables, and the price is great. If you know how to install it will be easy to connect up to 3 fans with the cable. Its sleek black design and durable insulation will last a long time. Easy to connect to fan and motherboard

13.06.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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