Total: 5
Location-1: PCIe x16 slots (Gen4 x16/x8 link, FH, FL)
Location-2: PCIe x1 slots (Gen3 x1 link, FH, FL)
Location-3: PCIe x16 slots (Gen4 x0/x8 link, FH, FL)
Location-5: PCIe x16 slots (Gen4 x4 link, FH, FL)*1
Location-6: PCIe x16 slots (Gen3 x4 link, FH, FL)
* the bandwidth of PCIe link is shared with M.2_2