Lian Li PW-PCI-520X PCIe 5.0 riser cable 200 mm
- PCIe 5.0 Riser Cable
- Black
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Connects two PWM fans to one motherboard header with 10 inch, 22 AWG sleeved cables in a two-pack
The Vszerda PWM Fan Splitter Cable lets you connect two case or CPU fans to a single motherboard header, supplied as a pair of 10 inch Y-cables. Builders expanding airflow in a compact chassis can add a second fan without occupying another header.
Each cable uses a 22AWG copper conductor inside a black sleeved jacket; the master plug passes the RPM signal back to the board while the slave omits it, so both fans follow the same PWM curve. Three-pin fans run at full speed and only the four-pin connector is monitored, so check your motherboard manual to confirm the header actually outputs PWM.
All attached fans receive an identical PWM signal, keeping them synchronised during prolonged gaming or rendering sessions. The shared header limits total current to the board’s rated maximum, so very high-wattage fans may need a powered hub instead.
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In BIOS or fan-control software, verify that the RPM reading from the master 4-pin connector changes smoothly as the PWM duty cycle is adjusted, and that the second fan follows the same speed curve.
The pack contains two black-sleeved Y-cables, each 10 inches long with 22AWG copper conductors. No additional parts are required if your motherboard has a 4-pin header and your fans use standard 3-pin or 4-pin plugs.
Both cables are identical; each splitter provides one 4-pin master connector that reports RPM and one 3-pin slave connector. Plug the fan you want monitored into the 4-pin side and the other fan into the 3-pin side.
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