Do i need to have PCIe motherboard for RX6750 XT

Riser with Three PCIe Gen3 slots 1 x16 FH 1 x8 FH pcie 3 slot AMD A620 ATX motherboard with DDR5, PCIe support, dual slots, Q-Latch, 12+2 DrMOS, Wi-Fi 6, Realtek Ethernet, DisplayPort, HDMI™, pcie slot width I recently got an LSI 2308, and have not had a chance to test it yet My motherboard only has one PCIE x16 slot ,

pcie4 slot Yes, you can use a PCIe graphics card in a PCIe slot PCIe slots are backward compatible with PCIe cards, meaning they can still work together