Asus ROG Strix B550-A Gaming AM4 ATX Motherboard - Manual (Page 20)

1-8 Chapter 1: Product Introduction
Chapter 1
Hyper M.2 X16 series card configuration
Slot PCIe bifurcation settings in PCIe x16 slots with different Ryzen™ CPUs
3 rd Gen AMD Ryzen™ Processors (Support PCIe Gen 4 SSDs)
Supported SSDs
PCIEX16_1 4
• Hyper M.2 X16 series card is purchased separately.
• When using 3 rd Gen AMD Ryzen™ Processors and a Hyper M.2 X16 series card with
4 M.2 SSDs, if you wish to connect a display, we suggest installing a VGA card to
PCIEX16_2, which will run at x4.
• Set PCIEX16_1 to [PCIe RAID Mode] under BIOS settings to enable the Hyper M.2
X16 series card.