DC 5521 to 4-Pin PWM 2-Way PC Fan Power Adapter Cable 12V

Type 7

$2.28

$2.28 $2.99

DC 5521 to 4-Pin PWM 2-Way PC Fan Power Adapter Cable 12V

$2.28

$2.28 $2.99

Shipping calculated at checkout.

Color Type 7 Type 8 Type 9 Type 3 Type 4 Type 5 Type 6 Type 1 Type 2

DC 5521 to Dual 4-Pin PWM PC Fan Power Adapter Cable

Need to power your PC or router case fans from a DC barrel jack source? This compact KOQZM adapter cable converts a standard DC 5521 (5.5mm × 2.1mm) barrel connector into two 4-pin PWM fan headers, giving you a clean and reliable power solution for cabinet fans, networking equipment cooling, and custom PC builds. Made in Mainland China.

Key Features

Dual Fan Output: One DC 5521 input splits into 2 × 4-pin computer fan connectors — power two fans from a single DC adapter
Pure Copper Conductors: Ensures excellent conductivity and minimal voltage drop for stable fan operation
PVC Insulation: Durable, heat-resistant insulation rated up to 80°C for safe, long-term use
Compact & Lightweight: Weighs just 16g — easy to route inside tight enclosures or cable-managed builds
Plug-and-Play: No tools required; simply connect and go

Technical Specifications

Total Cable Length: 35cm (main: 20cm, branch: 15cm)
Main Wire Gauge: 22AWG, OD 4.5mm
Branch Wire Gauge: 24AWG, OD 3.0mm
Conductor Material: Pure copper
Insulation Material: PVC
Rated Temperature: 80°C
Wire Color: Black
Weight: 16g
Connectors: 1 × DC 5521 (5.5mm/2.1mm barrel) input | 2 × 4-pin PWM fan output
Voltage: 12V DC
Country of Origin: Made in Mainland China

What's in the Box

1 × DC 5521 to 4-Pin PWM 2-Way PC Fan Power Adapter Cable

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For guidance on safe wiring and connector standards in electronics, refer to the NIST Electronics Resources.

Frequently Asked Questions

Q: What fan connector type does this cable support?

A: This adapter cable is compatible with standard 4-pin PWM computer fan connectors, commonly used in PC case fans, CPU fans, and router cooling fans. It does NOT support 3-pin fan headers.

Q: Can I use this cable with a 12V DC power adapter?

A: Yes — the DC 5521 (5.5mm × 2.1mm) barrel connector on this cable is designed to work with standard 12V DC power adapters using that barrel size, making it ideal for powering fans in routers, NAS enclosures, and custom PC builds.

Q: How many fans can I connect to this cable?

A: This cable features a 2-way split, allowing you to connect and power two 4-pin PWM fans simultaneously from a single DC 5521 power source.

Q: Is this cable safe for long-term continuous use?

A: Yes. The cable uses pure copper conductors and PVC insulation rated up to 80°C, making it suitable for continuous operation in well-ventilated enclosures.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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