Nvidia Turing graphics cards get Resizable BAR support — if you're willing to flash a modified UEFI
Developer terminatorul has shared a UEFI driver that can be used to enable Resizable BAR (ReBAR) on systems packing Nvidia Turing architecture graphics cards. However, be careful as this needs to write configuration data to your motherboard UEFI.
Pascal Nvidia Pcie Gen Radeon Gpus Rebar Resizable Base Address Register Resizable Base Address Register Nvidia Turing
Source: tomshardware.com