If you want to have an additional layer of security regarding the compatibility of RAM modules, make sure that the memory model is listed with the QVL (Qualified Vendor List) checkmark:
RAM support may also depend on the CPU memory controller.
Series: ROG
Socket: AM4
Form factor: ATX
Chipset: AMD B550
Supported Memory: DDR4-2133 / 2400 / 2666 / 2800 / 3000 / 3200 / 3466 / 3600 / 3866 / 4000 / 4133 / 4400
ECC RAM Support:
Audio Chipset: ROG SupremeFX High Definition Audio CODEC S1220A
Audio Channels: 7.1 Channels
LAN Chipset: Intel I225-V
Max LAN Speed: 10/100/1000/2500Mbps
SLI Support:
CrossFire Support:
RAID Support:
Back I/O Ports: 1 x Intel I225-V 2.5Gb Ethernet, 1 x DisplayPort, 1 x HDMI, 2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C), 4 x USB 3.2 Gen 1, 2 x USB 2.0, 1 x Optical S/PDIF out, 5 x Audio jack(s), 1 x BIOS FlashBack Button(s), ASUS Wi-Fi module (Wi-Fi 802.11 a/b/g/n/ac and Bluetooth v5.0)
Wireless LAN:
Wi-Fi Generation: 6
PCI-Express x16 Slots: 2
PCI-Express x4 Slots: 0
PCI-Express x1 Slots: 3
SATA 6 Gbps Ports: 6
SATA Express Ports: 0
M.2 Ports: 2
RAM Slots: 4
Maximum Supported RAM: 128GB
Onboard USB 2.0: 2
Onboard USB 3.2 Gen 1: 1
Onboard USB 3.2 Gen 2: 0
Wattage: 750W
Type: ATX
Modular: Full
Efficiency: 80+ Gold
PCI-Express 6+2 Pin Connectors: 4
EPS Connectors: 2
SATA Connectors: 10
Molex Connectors: 3
