Motherboard: ASRock RACK GENOA2D24G-2L+. 8Pcs PCIe 5.0 x16 port (x16 bandwidths). 2Pcs PCIe 5.0 x16 port (x8 bandwidths). I/O expansion: 11Pcs vertical Pcie expansion bits. GPU bit: supports 8Pcs turbo cooled graphics cards (x16 bandwidth), graphics card up to 300mm long.
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