Do these work with corsair QL120 fans?

Should work with any 2 or 3 pin fan

Are these molex to 4-pin pwm converters? or are they 3-pin pwm to 4-pin pwm?

These are 4 Pin to 4 Pin Molex Fan Extensions. It is possible to use one with a 3 Pin Mobo Header (Male) but that will give up any PWM function. Hope this helps. To get Power Width Modulation (PWM) the 4th pin is needed to act as a signal line for RPMs being spun by the fan. I don't believe there are 3 Pin PWMs, fan or cable. Some Water circuit coolers incorporate multiple fans that use a splitter to 2 fans which often has one 3 Pin and one 4 Pin Molex Connector to attach to the Cooler's fans with a 4 Pin Female Plug for the Mobo. That's because one fan speed signal tells the circuit to vary the Power being provided to BOTH fans so the 2nd 4 Pin Molex on the 2nd fan is made a 3 Pin to save wire and signal confusion. Goood luck!

Is this a splitter or extension? If extension, why does title say splitter...........?

Extensions to lengthen your fan cables

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5 Pack 4-Pin PWM Fan Splitter Cable, Sleeved Braided Adapter Computer PC Fan Power Extension Cable Converter for Computer ATX Case 4-Pin/3-Pin Cooling Fan Cable (10.6")

Product ID: 103059955

Details

Brand
ThreeBulls
Color
1 to 1 5 Pack
Connector Gender
Item Weight
0.03 kg
Plug Format
Type A

🔌4-pin PWM power delivery

🧵Durable sleeved braided cable

🖥️10.6-inch length for flexible setup

€ 13.99

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Description

⚡ Power your cool like a pro — never settle for less than perfect airflow!

SLEEK DURABLE DESIGN - Premium black sleeved nylon braid ensures longevity while keeping your PC build clean and professional.
PLUG PLAY FLEXIBILITY - 10.6-inch cable length offers optimal reach and easy installation for custom PC cooling setups.
BUNDLE UP FOR PERFORMANCE - 5-pack set means you’re ready to power multiple fans without clutter or compromise.
SEAMLESS MULTI FAN CONTROL - One 4-pin female to 4-pin male splitter supports both 4-pin and 3-pin fans for ultimate motherboard compatibility.
OVERHEAT PROTECTION MADE SIMPLE - Reliable power extension helps maintain efficient airflow and keeps your system cool under pressure.

This 5-pack of 10.6-inch sleeved 4-pin PWM fan splitter cables from ThreeBulls offers versatile compatibility with both 3-pin and 4-pin PC fans. Designed with durable braided nylon sleeving, these male-to-female connectors provide reliable power extension to optimize your PC’s cooling system, ensuring a clean, organized build and preventing overheating.

Specifications

ASIN	B07M5P7VHH
Best Sellers Rank	#54 in Computer Power Supplies #96 in Computer Case Fans
Brand	ThreeBulls
Case Material Type	Polycarbonate
Color	1 to 1,5 Pack
Connector Gender	Male-to-Female
Customer Reviews	4.7 4.7 out of 5 stars (2,345)
Global Trade Identification Number	00786705448315
Indoor Outdoor Usage	Outdoor
Item Length	10.6 inches
Item Weight	0.03 kg
Manufacturer	ThreeBulls
Mfr Part Number	8541606341
Model Number	8541606341
Number Of Conductors	4
Number of Outlets	1
Plug Type	Type A
Power Cord Prong Count	4
Special Features	Braided
UPC	786705448315
Unit Count	5 Count
Wattage	1 kwh

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€ 13.99

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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