mounting NVMe SSD on ASUS ROG MAXUS XII HERO with Wi-Fi (Z490)
mounting NVMe SSD on ASUS ROG MAXUS XII HERO with Wi-Fi (Z490)
The system instructions indicate specific sharing rules between M.2 devices. When M.2_1 uses SATA mode, SATA6G_2 is blocked from sharing bandwidth with PCIEX16_3. If M.2_2 operates in X4 mode, PCIEX16_3 becomes unavailable. In X2 mode, PCIEX16_3 switches to X1 mode. M.2_3 shares bandwidth with SATA6G_56, but if it gets populated, that sharing is disabled. Place your drive where these rules don’t conflict, and ensure it doesn’t interfere with your GPU or other drives.
I choose M.2_1 since a SATA drive is present on SATA6G_2. Connect it to another SATA port on MB. Note: later adjustment was made to place M.2_3 in the lower part of the motherboard, which would cause more heat on the SSD.