Internal I/O USB 2.0 connectors: 2 USB 3.2 Gen 1 (3.1 Gen 1) connectors: 2 Number of chassis fan connectors: 4 EPS power connector (8-pin): Yes Number of SATA III connectors: 4 CPU fan connector: Yes Front panel audio connector: Yes 12V power connector: Yes ATX Power connector (24-pin): Yes USB 3.2 Gen 2x2 connectors: 2