1.5V ADD-RGB to 12V RGB Transfer Hub 5V ADD-RGB equipment can be compatible with 12V RGB motherboard via the convertor, to achieve synchronous lighting compatibility. Rainbow and breathing mode for some Convert +5V (3-pin) Addressable-RGB Fan/Equipment to compatible with +12V (4-pin) RGB motherboard or RGB Controller (Rainbow and Breathing mode for some Motherboard Models are NOT Compatible) 2.Compatible with Most +12v RGB Motherboard Connection **(Note: ASRock motherboard is NOT compatible) 3.Magnet & Velcro installation 4.Voltage transformer within 5V to 12V RGB Transfer Hub powered by SATA