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2 Pack Sleeved USB to 3Pin/4Pin PWM Fan Step-Up Cable | 5V to 12V Boost Adapter Cord for PC Case Fans
- 2-pack cost-efficient set, built-in boost circuit converts standard USB 5V input into stable 12V output to power desktop case cooling fans.
- Compatible with common 3Pin fixed-speed & 4Pin PWM controllable PC fans, supports full-speed fan operation for chassis cooling setup.
- Braided sleeved cable improves durability, anti-wear and tidy internal wiring while avoiding wire tangling inside PC enclosure.
- Standard USB-A male plug draws power from PC USB port, no extra DC adapter required for casual fan power supply.
- Widely applicable for DIY case cooling, cabinet auxiliary fan, equipment heat dissipation and small 12V cooling module transformation.
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This USB step-up fan power cord turns spare computer USB ports into convenient 12V fan power sources. Sleeved wiring structure extends service life, ideal for users upgrading chassis cooling without modifying internal power supply wiring.
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