Cooler Master 1-to-3 RGB Splitter Cable (OEM Packing) - Support 4-pin +12v RGB LED Header - Sync Cable for MasterFan/MasterLiquid RGB Series, Daisy-chain support Internal Power Cables - Newegg.com
Cooler Master 1 To 3 4pin 12v Rgb Fan Adapter Cable Computer Case Fan Connector Cable Compatible Light Bar Connection - Pc Components Cooling & Tools - AliExpress