# Pastebin zNIFvxU2
         # PCIe -------------------------------------------------------------------------------------
         if with_pcie:
-            self.submodules.pcie_phy = USPPCIEPHY(platform, platform.request("pcie_x4"),
-                data_width = 128,
+            self.submodules.pcie_phy = USPPCIEPHY(platform, platform.request("pcie_x8"),
+                speed      = "gen3",
+                data_width = 256,
                 bar0_size  = 0x20000)