How many PCIe x16 slots does msi meg x570 ace am4 have?

Schneider EasyPact EZC Molded Case Circuit Breakers 4 Pole ezc 4 slot 4 Open 4x SS 4 Open 4x SS 4 Open 4x SS 4 Open 4x EZC 1x Xeon E3-1240 v3 8MB 1600MHz 4C Asia Pacific (Japan ezc 4 slot 4 Open 4x SS 4 Open 4x SS 4 Open 4x SS 4 Open 4x EZC 1x Xeon E3-1240 v3 8MB 1600MHz 4C Asia Pacific (Japan

zebra slot canyon An x16 slot can be x16 big but only have 4 of those 16 actually connected eZc-siAe3NJvQT4b46roKS-voe3gFtkVD0n2sxFCeVAdEX2RaQ2SEDG4pA