motherboard 4 pci express x16 slots: Mainboard GIGABYTE Z490 GAMING X (Intel Z490/Socket .... pci express x16 slot definition - Bot Verification. Mainboard Asrock B450M Pro4-F.
... Socket: Socket 1200 hỗ trợ CPU thế hệ 10. Kích thước: ATX. Khe cắm RAM: 4 khe (Tối đa 128GB). Khe cắm mở rộng: 2 x PCI Express 3.0 x16
Slots, 3 x PCI Express ...