ASRock Z390 Extreme4 vs ASRock Z390 Pro4: What is the difference?
NEW ASRock Z390 Extreme4 Motherboard LGA 1151 IntelZ390 DDR4 64GB PCI E 3.0 M.2 SATA III Interface USB 3.1 Desktop Mainboard|Motherboards| - AliExpress
ASRock > Z390 Extreme4
Reviewed: ASRock Z390 Extreme4 - PC Tech Reviews Australia