PCI-E slots 3rd Gen AMD Ryzen™ Processors 1×PCIe 4.0 x16 (x16) 2nd Gen AMD Ryzen™ Processors 1×PCIe 3.0 x16 (x16). ASUS Pro WS X570-ACE AM4 Workstation support 5800x 3d CrossFireX n NVIDIA SLI. 2nd and 1st Gen AMD Ryzen™ with RadeonVega Graphics Processors.
eBay