(AMD AM4) Asus PRIME B550M-A/CSM (Ryzen 5 & 7 CPU support) M-ATX Motherboard

Asus PRIME B550M-A/CSM (Ryzen AM4) M-ATX Motherboard ?CPU support list: https://www.asus.com/Motherboards-Components/Motherboards/PRIME/PRIME-B550M-A/HelpDesk_CPU/ ModelBrand ASUS Model PRIME B550M-A/CSM Supported CPUCPU Socket Type AM4 CPU Type BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASUS website for CPU support list. ChipsetsChipset AMD B550 MemoryNumber of Memory Slots 4x288pin (DDR4) Memory Standard 3rd Gen AMD Ryzen Processors DDR4 4600(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory * 3rd Gen AMD Ryzen with Radeon Graphics Processors DDR4 4800(O.C.)/ 4600(O.C)/ 4466(O.C.)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory * * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). Maximum Memory Supported 128GB Channel Supported Dual Channel Expansion SlotsPCI Express 4.0 x16 3rd Gen AMD Ryzen Processors 1 x PCIe 4.0 x16 (x16 mode) 3rd Gen AMD Ryzen with Radeon Graphics Processors 1 x PCIe 3.0 x16 (x16 mode) PCI Express x1 AMD B550 Chipset 2 x PCIe 3.0 x1 slots * Support PCIe bifurcation for RAID on CPU function. Storage DevicesSATA 6Gb/s 4 x SATA 6Gb/s M.2 3rd Gen AMD Ryzen Processors: 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110 (PCIE 4.0 x4 and SATA modes) storage devices support 3rd Gen AMD Ryzen with Radeon Graphics Processors: 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) storage devices support AMD B550 Chipset: 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support SATA RAID 0/1/10 Onboard VideoOnboard Video Chipset Supported only by CPU with integrated graphic: 1 x D-Sub 1 x DVI-D 1 x HDMI 2.1 (4K@60HZ) Onboard AudioAudio Chipset Realtek ALC887 Audio Channels 7.1 Channels * A chassis with an HD audio module in the front panel is required to support 7.1-channel audio output. Onboard LANLAN Chipset Realtek RTL8111H Max LAN Speed 10/100/1000Mbps Rear Panel PortsBack I/O Ports 2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 1 x Realtek RTL8111H 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port Internal I/O ConnectorsOnboard USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Other Connectors 1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 2 x Chassis Fan connector(s) 2 x Aura RGB Strip Headers 1 x Addressable Gen 2 header(s) 1 x SPI TPM header 1 x S/PDIF out header(s) 1 x Front panel audio connector(s) (AAFP) 1 x Clear CMOS jumper(s) 1 x System panel connector 1 x COM port header 1 x Speaker connector Physical SpecForm Factor Micro ATX LED Lighting RGB Dimensions (W x L) 243.84 mm x 243.84 mm Power Pin 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Windows 11 CompatibilityWindows 11 Supported