MSI B550-A PRO AM4 ATX Motherboard (B550-A PRO)

SPECIFICATIONS

CPUSupports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors * See supported processorsChipsetAMD B550 ChipsetMemory4x DDR4 memory slots, support up to 128GB Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDECSupports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz by A-XMP OC MODE1DPC 1R Max speed 4800 MHz1DPC 2R max speed 3866 MHZ2DPC 1R max speed 4000 MHZ2DPC 2R max speed 3600 MHZDual channel memory architectureSupports non-ECC UDIMM memorySupports ECC UDIMM memory (non-ECC mode)Supports un-buffered memory * Please refer www.msi.com for more information on compatible memory.* See supported memoryExpansion slot1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed 2x PCIe 3.0 x1 slots * The supported specification depends on installed processor.* When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.Multi-GPUSupports 2-Way AMD CrossFire TechnologyOnboard graphics1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz Support HDCP 1.4 & 2.31x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz Maximum shared memory of 16 GB * Available for the processor with integrated graphics.* Graphics specifications may vary depending on the CPU installed.StorageAMD B550 Chipset6x SATA 6Gb/s ports2x M.2 slots (Key M)M2_1 slot (from AMD Processor)Supports PCIe 4.0/ 3.0 x4 Supports SATA 6Gb/sSupports 2242/ 2260/ 2280/ 22110 storage devicesM2_2 slot (from AMD B550 chipset)Supports PCIe 3.0x4Supports 2242/ 2260/ 2280 storage devices * The supported specification depends on installed processor.RAIDSupports RAID 0, RAID 1 and RAID 10 for SATA storage devicesSupports RAID 0 and RAID 1 for M.2 NVMe storage devicesUSBAMD B550 Chipset3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)AMD Processor2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panelAudioRealtek ALC892/ALC897 Codec7.1-Channel High Definition AudioLAN1x Realtek 8111H Gigabit LAN controllerInternal connectors1x 24-pin ATX main power connector1x 8-pin ATX 12V power connector6x SATA 6Gb/s connectors2x M.2 slots (M-Key)1x USB 3.2 Gen 1 5Gbps Type-C port1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)1x 4-pin CPU fan connector1x 4-pin water-pump fan connector6x 4-pin system fan connectors1x Front panel audio connector2x System panel connectors1x Chassis Intrusion connector1x 4-pin RGB LED connector2x 3-pin RAINBOW LED connectors1xTPM module connector1x Clear CMOS jumperBack panel portsKeyboard / MouseDisplayPortLANHD Audio ConnectorsFlash BIOS ButtonUSB 2.0HDMIUSB 2.0USB 3.2 Gen 1 5Gbps Type-AUSB 3.2 Gen 2 10Gbps Type-A+CDimensionsATX Form Factor12 in. x 9.6 in. (30.5 cm x 24.4 cm)Mounting9 mounting holesBox contentB550-A PRO Motherboard2 x SATA CablesI/O ShieldingMSI Case BadgeDriver DVDProduct Registration CardQuick Installation Guide