Compatibility of older motherboards like yours with legacy Bios with newer exclusively UEFI graphic cards is hit or miss depending on the motherboard, knowing that non OEM motherboards have been reported to have better compatibility with newer video cards, try first to update your motherboard Bios to the latest version available on the manufacturer website.
Then you could try:
- Either go for the highest performing graphic card with proven compatibility with legacy Bios.
- Or take a small risk and buy the best graphic card out there within your budget (US$148)from a reputable store with good return policy, and try it on your motherboard and return it if not working on your system.