Connectors: 1 x 3 Pin (Female) to 2 x 3 Pin (Male). Compatible with all CPU or case fans with a 3 pin connector. Offers greater flexibility to position motherboard and CPU fans for optimal cooling. Allows two 3 pin fans to be connected to one motherboard power supply. Product Type: : 3 Pin to 2 x 3 Pin Computer Case Fan Y-Splitter Power Connector Adapter Cable Product Description: : One-to-Two Power Splitter, PWM Fan Splitter. Compatiable with 3 pin Case Fan. Used to connect PC Case Fan to motherboard.   Supports 2 PWM fans from a single motherboard PWM header.