PCIe x 4 - SLOT5: PCIe3.0 x4 [PCH] Only supported for E3C246D4U2-2L2T. DDR4 288-pin ECC/non-ECC UDIMM. VRAM - DDR4 256MB (128MBx16). ASROCK WRX90 WS EVO AMD DDR5 PCIe 5.0 16 M.2 Motherboard. ASrock W790 WS LGA4677 for Xeon W-3400 and W-2400 Series Processors.
eBay