Best 12 V 4 Pin 2026

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Last Updated - 27.03.2026

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01

TOPCHARGEUR

Power Supply Adaptor Charging Cable Charger 12 V 5 V 2 A 4 Pin for Replacement Multimedia Hard Drive Wattac BA0362ZI-8-A02

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12% Off
9.8

Exceptional

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Shipped since France with tracking
New
Cable length: 16 cm
Brand: topchargeur

19,33 € 21,89 €(12% Off off)
02

Aukuoy

4 Pin 12V PWM Fan Controller with USB Type C Power Cable and 4 Pin 5 Way PWM Fan Splitter Hub, Fan Speed Controller with 15-18W, 1.2-1.5A Output

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9.5

Excellent

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WIDE COMPATIBILITY Compatible with most USB fan/pump speeds, also can be used for routers/small hosts/soft routing and other DIY cooling, comes with a 4 pin 5x fan hub, you can use multiple fans at the same time. Speed control range: PWM duty cycle 0-100%
The output is a 4 pin female for PWM fans, with built-in DC-DC boost circuit, 5V boost to 12V, speed control is done by outputting PWM signals
The input of the product is a TYPE C female connector that is perfectly compatible with a TYPE C charging port as a power supply device. It is recommended to use a charger with a power of more than 10W. Note: the power of the charger must exceed the total power of the fan to reach full speed.
Package Content:1 pc fan speed controller, 1 piece USB Type-C cable, 1 piece 4 pin 5 speed fan hub
All-in-one solution, built-in power supply and speed control, more convenient to use. Stable performance, built-in PWM signal generation circuit and DC DC boost circuit

15,99 €
03

helpers lab

Car Adaptor 12 V DC Cigarette Lighter Cable for LED TV with 4-Pin Plug

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9.4

Excellent

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★We supply this cigarette lighter cable with a 4-pin device plug for connecting various 12 volt TVs, usually 15-19 inch LED/LCD devices
★Plug & Play, simply plug directly into the socket and power your 12 volt device from the car's cigarette lighter.
★Made of high quality pure copper wire and processes, has excellent properties for temperature, chemicals and abrasion.
★DC connector; Output: 12V DC 10A. Cord length: 6 ft (1.8 m); With 4 pin DC charging port
★ For connecting LED, DVD, LCD TV, car DVR, camera TV in cars, caravans, lorries or boats
The integrated fuse (10A) protects the device from short circuits and overloads. If the device or charger fails, the fuse of the car charger automatically stops in an emergency, automatically interrupts the power supply to protect the device, and the fuse can be easily replaced by unscrewing the screw cap in front of the car charger.

12,99 €
04

Joycabin

Joycabin 4 Pin PWM Fan Controller, 12 V PWM Fan Speed Control Module, Wind Speed Adjustable from 3 V to 12 V, Fan Speed Controller Governor with 1 to 4 PC Fan Power Adapter Cable

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9.2

Excellent

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【Specifications】: Input Voltage: 100-240V; Output Voltage: 3-12V; Current: 2A; Power: 24W; Cable Length: 140cm
PC fan speed controller: 4 fans can be connected at the same time. After connection, the speed can be adjusted continuously by turning the knob (wind speed 3V-12V).
Multifunctional controller: fan speed controller. The controller is not only suitable for speed control, but also for dimming and temperature control.
Easy installation: PWM fan control, comfortable and durable, plug and play design, no complicated settings required.
Compatibility: fan speed controller. It can be operated either a standard 3-pin or a 4-pin PWM fan, which is suitable for cooling receiver, Xbox, DVR and Playstation components.

13,49 €
Value for Money

05

Aideepen

Aideepen 4 Pin 12V PWM Fan Controller, Pack of 2 DC 8-24V 5A 120W (Max) 4 Wire Fan Speed Controller, DIY Speed Controller for Brushless Motors

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20% Off
8.9

Very Good

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【Parameters】Input voltage: 8-24V; Maximum adjustable duty cycle: 0-100% PWM 5V square wave; PWM frequency: 22KHz Compatible with various brushless motors and high-performance fans.
【High Power】Maximum output current of 5A, maximum power of 120W (24V, 5A). Drives powerful brushless DC motors and provides superior performance for diverse needs.
【Applications】This speed control module is suitable for: brushless 4 or 5-core DC fans or brushless DC motors with PWM/CLK signal input (e.g. case fan).
Supports power shutdown: the speed control knob has an integrated power switch. By turning it to the minimum and then continuing to snap it into place, the power supply is interrupted and thus the power supply to the module and fan is stopped.
Precise speed control: precise PWM speed control ensures continuous speed adjustment and an optimal ratio between efficient heat dissipation and quiet operation. Easy and comfortable operation, ideal for DIY projects.

7,99 € 9,99 €(20% Off off)
06

Aideepen

Aideepen 4 Pin 12V PWM Fan Controller, Pack of 2 DC 8-24V 5A 120W (Max) 4 Wire Fan Speed Controller, DIY Speed Controller for Brushless Motors

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Parameters】Input voltage: 8-24V; Maximum adjustable duty cycle: 0-100% PWM 5V square wave; PWM frequency: 22KHz Compatible with various brushless motors and high-performance fans.
【High Power】Maximum output current of 5A, maximum power of 120W (24V, 5A). Drives powerful brushless DC motors and provides superior performance for diverse needs.
【Applications】This speed control module is suitable for: brushless 4 or 5-core DC fans or brushless DC motors with PWM/CLK signal input (e.g. case fan).
Supports power shutdown: the speed control knob has an integrated power switch. By turning it to the minimum and then continuing to snap it into place, the power supply is interrupted and thus the power supply to the module and fan is stopped.
Precise speed control: precise PWM speed control ensures continuous speed adjustment and an optimal ratio between efficient heat dissipation and quiet operation. Easy and comfortable operation, ideal for DIY projects.

9,99 €
07

Gebildet

Gebildet New Arrival 12 V Up Voltage USB to 3-Pin and 4-Pin PC Fan Sleeved Power Supply Cable with Switch and Speed Controller

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8.4

Good

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With this USB adapter cable, you can power most 3-pin and 4-pin computer fans via a USB Type-A port.
Total cable length (including connectors): 32 cm
The central part control module combines 5-12V voltage increase and switch and speed control, making it easy to control the fan.
Cools a variety of electronic devices that output USB power after switching on (consoles, network devices, professional devices, etc.)
12V Voltage Increase Circuit Inside the USB case there is a voltage booster circuit that takes 5V and outputs up to 12V 0.4A for full power operation. Additional devices such as fan hubs and speed controllers can also be used.

8,99 €
08

MEIRIYFA

MEIRIYFA 12 V Step-Up USB to 4-Pin Fan Cable, USB Type A to 3-Pin / 4-Pin PWM Fan Power Adapter Cable USB 5 V to 12 V Booster Adapter Cable for PC Cooling Fans (2 Pack, 0.5 m)

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8.3

Good

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Universal Fan Power Cable: the USB 4 pin fan boost cable is used to convert the 5V voltage provided by the USB port via the boost module into 12V voltage for the computer fan, which will not affect the original fan speed and brightness of the light.
Robust and durable: USB to 3pin / 4pin PWM 5V USB fan power adapter cable features heavy duty nickel-plated metal connectors, reinforced double layer weaving for extreme protection, combined with high-quality PVC materials that ensure flexible, tangle-free performance, increasing product durability.
Note: the cooling fan must support the 5V low voltage start, in this case, use the adapter cable to be able. Otherwise, the fan will not rotate, even if there is no problem with the cable!
Integrated voltage 5V to 12V booster: MEIRIYFA 12V step-up USB to 4pin fan cable, built-in 12V step-up circuit increases standard USB 5V output to 12V, making it compatible with PWM controller and fan hubs for versatile use.
Function: This cable is 12V USB port to small 3pin/4pin fan cable, it allows you to power most case fans with a USB port, 3pin or 4pin housing fan power adapter cable both OK.

10,99 €
09

Gebildet

Gebildet Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Supply Cable (Pack of 2)

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8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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With this USB adapter cable, you can power most 3-pin and 4-pin computer fans via a USB Type-A port.
Total cable length (including plug): 32 cm
RoHS compliant. This cable features all black connectors and a high density jacket for durability and minimal visibility of wires.
Cool a variety of electronic devices that output USB power after switching on (consoles, network devices, professional devices, etc.)
12V Voltage Increase Circuit Inside the USB case there is a voltage booster circuit that takes 5V and outputs up to 12V 0.4A for full power operation. Additional devices such as fan hubs and speed controller can also be used.

6,99 €
10

Aideepen

Aideepen 4 Pin 12V PWM Fan Controller, Type-C 12V Power Supply, 4 Wire Fan Speed Controller with Backlight for PC Case, DIY Water Cooling Option

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21% Off
7.7

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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【Specifications】Power Connector: Type C; Power Supply: 12V; Support Power: 60W; Output Connector: 4-Pin (KF2510); Output Voltage: 12V
【Compact and Portable】Product dimensions: 4.5 × 4.5 × 3.1 cm. Thanks to its compact design, it is versatile and is suitable for various DIY projects, e.g. For case fans and DIY water cooling radiators.
Precise speed control: the PWM speed control controls the fan speed precisely, effectively reducing power consumption and noise.
PD/QC fast charging protocol: This PWM fan controller supports PD and QC fast charging technology and can therefore be operated with power supplies with fast charging protocol.
Note: This 12V type C model only supports power supplies with fast charging protocol that are explicitly marked "12V", such as Fast charging power banks and fast charging power supplies.
Backlight: The PWM fan controller has a backlight, which ensures good readability of the current values even in low light. (Switch on/off at the touch of a button)

12,63 € 15,99 €(21% Off off)