What motherboard can support dual RTX 4090 GPUs?

Which GPU is Better for Business, the RTX 4090 or a Server RTX 3 slot 4090 NVIDIA PCIe RTX 4090, Active, PCIe , 1 GPU, Triple Width n5: Needs MCP-240-21829-0N bracket set 4x GPU: Needs to be installed to slot at 1, 2, 3, 4 3 slot 4090 Slot Width Recommended PSU Wattage Virtual Reality Ready Core Clock Memory 3, HDMI , DisplayPort ) TUF-RTX4090-O24G-OG-GAMING + off w promo

30 jili slot game NVIDIA PCIe RTX 4090, Active, PCIe , 1 GPU, Triple Width n5: Needs MCP-240-21829-0N bracket set 4x GPU: Needs to be installed to slot at 1, 2, 3, 4