The MSI MPG A1000GS and MPG A1250GS are not directly compatible with AMD's RX 9070 series GPUs, unless you get an adapter.
Using an 8-bit data path, it provides 40 Mbytes/sec bandwidth. The port is a 26-pin male connector or a 26-pin (13 per side) edge connector at the top of the VGA board. See VESA Advanced Feature ...