Asus ROG Crosshair VIII Formula Users Manual English - Page 24
PCIe operating mode, Gen AMD Ryzen™ Processors, and 1, Gen AMD Ryzen™ with Radeon™ Vega Graphics
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Chapter 1 PCIe operating mode 3rd Gen AMD Ryzen™ Processors Slot Description PCIe x16_1 PCIe x16_2 PCIe x16_3 M.2_1 (PCIe Mode) M.2_1 (SATA Mode) M.2_2 (PCIe Mode) M.2_2 (SATA Mode) Single VGA / PCIe card x16 (PCIe 4.0) N/A N/A x4 (PCIe 4.0) Support x4 (PCIe 4.0) Support PCIe operating mode Dual VGA / PCIe card x8 (PCIe 4.0) x8 (PCIe 4.0) N/A x4 (PCIe 4.0) Support x4 (PCIe 4.0) Support Triple VGA / PCIe card x8 (PCIe 4.0) x8 (PCIe 4.0) x4 (PCIe 4.0) x4 (PCIe 4.0) Support x4 (PCIe 4.0) Support 2nd Gen AMD Ryzen™ Processors Slot Description PCIe x16_1 PCIe x16_2 PCIe x16_3 M.2_1 (PCIe Mode) M.2_1 (SATA Mode) M.2_2 (PCIe Mode) M.2_2 (SATA Mode) Single VGA / PCIe card x16 (PCIe 3.0) N/A N/A x4 (PCIe 3.0) Support x4 (PCIe 4.0) Support PCIe operating mode Dual VGA / PCIe card x8 (PCIe 3.0) x8 (PCIe 3.0) N/A x4 (PCIe 3.0) Support x4 (PCIe 4.0) Support Triple VGA / PCIe card x8 (PCIe 3.0) x8 (PCIe 3.0) x4 (PCIe 4.0) x4 (PCIe 3.0) Support x4 (PCIe 4.0) Support 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Slot Description PCIe x16_1 PCIe x16_2 PCIe x16_3 M.2_1 (PCIe Mode) M.2_1 (SATA Mode) M.2_2 (PCIe Mode) M.2_2 (SATA Mode) Single VGA / PCIe card x8 (PCIe 3.0) N/A N/A x4 (PCIe 3.0) Support x4 (PCIe 4.0) Support PCIe operating mode Dual VGA / PCIe card x8 (PCIe 3.0) N/A x4 (PCIe 4.0) x4 (PCIe 3.0) Support x4 (PCIe 4.0) Support Triple VGA / PCIe card N/A N/A N/A x4 (PCIe 3.0) Support x4 (PCIe 4.0) Support • We recommend that you provide sufficient power when running CrossFireX™ or SLI® mode. • Ensure to connect the 8-pin and 4-pin power plugs when running CrossFireX™ or SLI® mode. • Connect a chassis fan to the chassis fan connectors when using multiple graphics cards for better thermal environment. 1-8 Chapter 1: Product Introduction