MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX

Maximum number of SMP processors: 1 Processor socket: Socket AM4 Compatible processor series: 3rd Generation AMD Ryzen™ 3 Processor manufacturer: AMD Maximum graphics card memory: 16000 MB Parallel processing technology support: 2-Way CrossFireX Maximum resolution: 4096 x 2160 pixels Motherboard form factor: ATX Number of mounting holes: 9 Audio output channels: 7.1 channels Audio chip: Realtek ALC892 Motherboard chipset family: AMD Harmonized System (HS) code: 84733020 Motherboard chipset: AMD B550 Supported memory types: DDR4-SDRAM Memory channels: Dual-channel Memory slots type: DIMM Supported memory clock speeds: 2133 Maximum internal memory: 128 GB Number of memory slots: 4 Width: 305 mm Height: 65 mm Depth: 244 mm Ethernet LAN: Yes Wi-Fi: No LAN controller: Realtek 8111H Ethernet interface type: Gigabit Ethernet Front panel audio connector: Yes TPM connector: Yes RGB LED pin header: Yes USB 2.0 connectors: 2 ATX Power connector (24-pin): Yes CPU fan connector: Yes Chassis intrusion connector: Yes Number of SATA III connectors: 6 USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1 Number of chassis fan connectors: 6 12V power connector: Yes Clear CMOS jumper: Yes Cables included: SATA