MSI Alaplap AM4 PRO B550M-P GEN3 AMD B550, mATX

CPU Supports 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 CHIPSET AMD ®  B550 Chipset MEMORY 4x DDR4 memory slots, supporting up to 128GB*  Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz by A-XMP OC MODE 1DPC 1R max speed 4400 MHz 1DPC 2R max speed 3733 MHz 2DPC 1R max speed 3866 MHz 2DPC 2R max speed 3466 MHz Dual channel memory architecture Supports non-ECC UDIMM memory Supports ECC UDIMM memory (non-ECC mode) Supports un-buffered memory Please refer for more information on compatible memory. EXPANSION SLOT 1x PCIe x16 slot (From CPU) 2x PCIe x1 slots (From AMD B550 chipset) ONBOARD GRAPHICS 1x VGA port, supports a maximum resolution of 2048x1536 @50Hz, 2048x1280 @60Hz, 1920x1200 @60Hz  1x HDMI™ port, supporting a maximum resolution of 4096x2160 @30Hz, 2560x1600 @60Hz    1x DVI-D port, supports a maximum resolution of 1920x1200 @60Hz    Maximum shared memory of 16 GB Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. SATA PORTS 4x SATA 6Gb/s ports (From AMD B550 Chipset)  SSD SLOTS 1x slot (Key M) M2_1 slot (From CPU) Supports PCIe x4 Supports SATA 6Gb/s Supports 2242/ 2260/ 2280 storage devices RAID Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices AUDIO Realtek ®  ALC897 Codec High Definition Audio LAN 1x Realtek ®  RTL8111H 1Gbps LAN controller POWER CONNECTORS 1x 24-pin ATX main power connector 1x 8-pin ATX 12V power connector INTERNAL USB CONNECTORS 1x USB Gen 1 5Gbps connectors (From AMD B550 Chipset) Supports additional 2 USB Gen 1 5Gbps ports 2x USB Type-A connectors (From AMD B550 Chipset) Supports additional 4 USB ports FAN CONNECTORS 1x 4-pin CPU fan connector 2x 4-pin system fan connectors SYSTEM CONNECTORS 1x Front panel audio connector 2x System panel connectors 1x Chassis Intrusion connector 1x Serial port connector 1x Parallel port connector 1x TPM module connector