ASUS PRIME B550M-A WIFI II Motherboard ASUS PRIME B550M-A WIFI II Motherboard Specifications Processor Processor Manufacturer AMD Processor Socket Socket AM4 Processor AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9, AMD Ryzen 9 5th Gen Supported Processor Sockets Socket AM4 Memory Supported Memory Types DDR4-SDRAM Number of Memory Slots 4 Memory Slot Type DIMM Memory Channel Support Dual-Channel Supported Memory Clock Speeds 2133 MHz, 2400 MHz, 2666 MHz, 2800 MHz, 3000 MHz, 3200 MHz, 3333 MHz, 3466 MHz, 3600 MHz, 3733 MHz, 3866 MHz, 4000 MHz, 4133 MHz, 4266 MHz, 4400 MHz, 4466 MHz, 4600 MHz, 4800 MHz, 4866 MHz Maximum Memory Capacity 128 GB Unbuffered Memory Yes Memory Drivers Supported Drive Types HDD & SSD Supported Drive Interfaces M.2, PCI Express 3.0, PCI Express 4.0, SATA III Supported Drive Sizes 6 RAID Service Yes RAID Levels 0, 1, 10 Graphics Parallel processing support Not supported Onboard graphics card No Internal I/O Number of USB 2.0 ports 2 USB 3.2 Gen 1 (3.1 Gen 1) ports 1 Number of SATA III ports 4 S/PDIF port Yes Front-panel audio connector Yes ATX (24-pin) power connector Yes Number of EATX ports 1 CPU fan connector Yes Number of case fan connectors 2 EPS (8-pin) power connector Yes Number of COM ports 1 TPM connector Yes 12V power connector Yes RGB LED Yes Rear-panel I/O ports Number of USB 3.2 Gen ports 1 (3.1 Gen 1) Type-A 4 Number of USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports 2 Number of Ethernet LAN (RJ-45) ports 1 Number of PS/2 ports 1 Number of VGA (D-Sub) ports 1 Number of HDMI ports 1 HDMI version 2.1 Number of DVI-D ports 1 Headphone outputs 1 Microphone Yes Antenna jack WiFi-AP 1 Supported USB type USB Type-A Network Wired LAN Yes Network interface type Ethernet Gigabit Ethernet LAN controller Realtek RTL8111H Wake-On-LAN Yes Wi-Fi Yes Base Wi-Fi standard Wi-Fi 6 (802.11ax) Wi-Fi standards 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) Bluetooth Yes Bluetooth Version 5.2 Features Motherboard Chipset AMD B550 Audio Output Channels 7.1 channels Product Color Multicolor Motherboard Form Factor Micro ATX