terry4536 :
Here are the internal connectors for your motherboard.
1 x 24-pin ATX main power connector
2 x 8-pin ATX 12V power connectors
6 x SATA 6Gb/s connectors
3 x M.2 slots
2 x USB 3.1 Gen2 Type-C ports
2 x USB 3.1 Gen1 connectors (supports additional 4 USB 3.1 Gen1 ports)
2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1 x 4-pin CPU fan connector
1 x 4-pin Water Pump connector
5 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
2 x 4-pin RGB LED connectors
1 x 3-pin RAINBOW LED connector
1 x 3-pin CORSAIR LED connector
https://www.msi.com/Motherboard/MEG-Z390-ACE/Specification
Yes,i know, "1 x 4-pin CPU fan connector & 1 x 4-pin Water Pump connector".
So i gonna use pump in pump header like you recommended but what about fans how can i connect them to CPU header?Splitter for fans coming exactly from pump...
Sorry,my english not so good,so i can't say exactly what i thinking)