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ShuangYi Precision Electronics Co., LTD
ShuangYi Precision Electronics CO., LTD A manufacturer integrating R&D, production, and sales of connectors and new energy charging equipment. Making every connection faster, every charge easier.
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4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power

ShuangYi Precision Electronics Co., LTD
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4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power

Brand Name : ShuangYi

Model Number : Mx 4.2 2x4P M TO Mx 4.2 2x3P F

Certification : RoHS / REACH / UL compliant

Place of Origin : China

MOQ : 1000

Price : $1.44-2.21 PCS FOB

Payment Terms : T/T

Supply Ability : 500000 pcs per month

Delivery Time : 8-15 working days

Packaging Details : Tape and Reel, 1500 per case, 10KG

Product Type : Electrical power cable connector harness

Connector Style : Male power connector to female power connector

Cable Type : 16AWG / 18AWG Tinned Copper Wire

Cable Length : Customizable (Standard 30cm / 50cm / 60cm)

Sleeve Material : High-density Braided Nylon Mesh

Rated Current : 8A–10A per pin

Rated Voltage : 300 V AC/DC

Contact Resistance : ≤10mΩ

Insulation Resistance : ≥1000MΩ

Operating Temperature : -20°C to +105°C

Flame Retardant Grade : UL94V-0

Application : GPU / PSU / Server / Industrial Power System

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Product Description

This 4Pin power cable connector adapter is designed to convert or extend a standard 4Pin Mini-Fit style power output between a power supply unit and a motherboard, PCB header or server module. Two yellow and two black wires clearly separate power and ground lines, supporting stable 12 V power transmission for CPU or other electronic loads.

Each circuit uses stranded oxygen-free copper conductors with robust PVC insulation and crimped terminals, ensuring reliable contact and low loss under continuous current. Compact 2×2 housings with latch structures provide a secure mating interface on both the male and female sides, preventing accidental disconnection during installation or vibration.

The short adapter length is ideal for tight chassis layouts, while OEM/ODM customization (wire gauge, length, color, terminal plating, and connector type) can meet special requirements in PC, server, telecom or automotive low-voltage harness applications.

4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power

Product Type Electrical power cable connector adapter
Connector A 4Pin Mini-Fit male connector (2×2)
Connector B 4Pin Mini-Fit female connector (2×2)
Pin Count 4 pins
Pin Pitch 4.20 mm power terminal pitch
Wire Type 18AWG stranded copper wire
Conductor Oxygen-free copper, low resistance
Wire Colors Yellow (power) / black (ground)
Insulation UL-listed PVC electronic wire
Housing Material PA66 / PBT, high-temperature, flame-retardant
Terminal Type Crimp power terminals, tin plated
Rated Voltage 300 V AC/DC
Rated Current 6–8 A per circuit (depending on ambient temperature)
Operating Temperature -20 °C to +105 °C
Cable Length Approx. 15–25 cm, customizable
Flammability Materials compatible with UL94V-0 requirements
Compliance RoHS / REACH
Application PC PSU to CPU power, GPU auxiliary power, PCB power header, server and industrial electronic equipment

Applications

Adapting PSU 4Pin output to CPU or auxiliary motherboard power connector

Extending short 4Pin headers on PCB, fan hub, or driver boards

Power wiring for small servers, network equipment and industrial controllers

Low-voltage electronic devices and LED drivers using 4Pin Mini-Fit style interfaces

Custom test fixtures and lab setups requiring quick 4Pin power routing

Precautions

Always confirm pin assignment (power and ground positions) on both mating connectors before use; reverse wiring can damage components.

Do not exceed the specified current per pin; select heavier wire gauge for higher loads if needed.

Avoid excessive bending or pulling near the housings to protect crimped terminals and insulation.

Keep the cable away from sharp metal edges and high-temperature parts inside the chassis.

Custom versions for mixed signal and power, different pitch or multi-branch cable assemblies are available for larger orders.


4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power

4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power
4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power
4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power
4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power
4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power


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4Pin Power Cable Connector Adapter – Mini-Fit Wire Harness for PSU / Motherboard / Server Power Images

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