Mainboard|MSI|AMD B550|SAM4|ATX|Memory DDR4|Memory slots 4|4xPCI-Express 2.0 1x|1xPCI-Express 3.0 4x|1xPCI-Express 3.0 16x|1xM.2|1xDVI-D|1xHDMI|2xAudio-In|4xAudio-Out|2xUSB 2.0|4xUSB 3.2|1xPS/2|1xRJ45|B550GAMINGGEN3

B550 GAMING GEN3 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 Supports DDR4 Memory, up to 4400(OC) MHz Lightning Fast Game experience: Turbo M.2 Gen3 x4, AMD Turbo USB 3.2 GEN 2 Enhanced Power Design: Core Boost, DDR4 Boost MULTI-GPU: With STEEL ARMOR PCI-E slots. Supports AMD Crossfire™ Flash BIOS Button with Optmized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions. Audio Boost: Reward your ears with studio grade sound quality