5V USB to 3-Pin CPU Fan Adapter Cable with Switch – 30cm

5V USB to 3-Pin CPU Fan Adapter Cable with On/Off Switch – 30cm

Upgrade your PC cooling setup with this handy 5V USB to 3-Pin CPU Fan Adapter Cable. Designed for computer cases and CPU fans, this compact 30cm cord lets you power any standard 3-pin fan directly from a USB port — no motherboard header required. The built-in inline switch gives you instant, effortless control over your fan without diving into your system's BIOS or software settings.

Key Features

• Universal Compatibility: Works with standard 3-pin PC case and CPU fans
• USB Powered: Draws power from any available 5V USB port for easy setup
• Inline On/Off Switch: Conveniently control your fan without opening your case or adjusting software
• 30cm Length: Flexible enough for most mid-tower and full-tower PC cases
• No Assembly Required: Plug-and-play design — ready to use right out of the box
• No High-Concern Chemicals: Manufactured without harmful substances for peace of mind

Specifications

Who Is This For?

This adapter cable is ideal for PC builders, hobbyists, and anyone looking to add or reposition a 3-pin fan in their computer case without relying on a spare motherboard header. It's also great for custom cooling rigs, open-air test benches, or repurposing old fans for case ventilation.

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Frequently Asked Questions

Q: Will this USB to 3-pin fan adapter cable work with any 3-pin PC fan?

A: Yes! This adapter is designed to work with standard 3-pin CPU and case fans. As long as your fan uses a standard 3-pin connector, it will be compatible with this cable. Simply connect the 3-pin end to your fan and plug the USB end into any available USB port on your PC or a USB hub.

Q: Does the inline switch fully cut power to the fan?

A: Yes, the built-in inline on/off switch allows you to completely stop or start the fan without unplugging anything. This makes it easy to control airflow on the fly without needing to access your motherboard settings or BIOS.

Q: Is the 30cm cable long enough for most PC cases?

A: The 30cm (approximately 12 inches) length is suitable for most standard mid-tower and full-tower PC cases, especially when routing from a nearby USB header or port to a case or CPU fan. For larger builds or extended runs, a USB extension cable can easily be added.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.