Replaced my son's AMD FX8370 MB/CPU and GeForce GTX 970 with Ryzen 7 2700X, ASUS Crosshair Hero VII Wifi and AMD RX580. Officially, ASUS Crosshair Hero VII Wifi has an 8-pin EPS power connector and a 4-pin EPS power connector, but it can work without a 4-pin connector. However, RGB can be compromised and my son has an RGB case and a new high power 750W modular P/S, but only an 8/4 pin EPS connector. With this splitter I can connect to both ports of the motherboard. There is more than enoughโฆ