SpecificationSupported CPUSupports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors Processor socket AM4ChipsetAMD B550 ChipsetForm FactorATX Form Factor12 in. x 9.6 in. (30.5 cm x 24.4 cm)AudioRealtek ALC897 Codec7.1-Channel High Definition AudioPCI2x PCIe x16 slotsPCI_E1 slot (From CPU)Supports PCIE 3.0 x16PCI_E4 (From B550 chipset)Supports PCIe 3.0 x44x PCIe x1 slotsPCI_E2, E3, E5 and E6 slots (From B550 chipset)Supports PCIe 2.0 X1TypeDDR4Slots4x memory slotsSupported MemorySupports 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 4400 MHz1DPC 2R max speed 3733 MHz2DPC 1R max speed 3866 MHz2DPC 2R max speed 3466 MHzDual channel memory architectureSupports non-ECC UDIMM memorySupports ECC UDIMM memory (non-ECC mode)Supports un-buffered memoryMaximum Memory128GBGraphics1x DVI-D port, support a maximum resolution of 1920x1200 @60Hz1x HDMI™ 2.0b port, supports a maximum resolution of 4096x2160 @30Hz, 2560x1600 @60HzMax Shared Memory16GBHDMI1x HDMI 2.0bDVI-D (s)1x DVI-D portUSB (s)1x USB 3.2 Gen 1 5Gbps connector (From B550 chipset)Supports additional 2 USB 3.2 Gen 1 5Gbps ports2x USB 2.0 connectors (From B550 chipset)Supports additional 4 USB 2.0 portsLAN Port (s)1x Realtek RTL8111H LAN controllerSupported Storage6x SATA 6Gb/s ports (From B550 chipset)1x M.2 slot (Key M)M2_1 slot (From CPU)Supports PCIe 3.0 x4Supports SATA 6Gb/sSupports 2260/ 2280/ 22110 storage devicesRAIDSupports RAID 0, RAID 1 and RAID 10 for SATA storage devicesInternal I/O Ports1x 24-pin ATX main power connector1x 8-pin ATX 12V power connector1x 4-pin CPU fan connector1x 4-pin water-pump fan connector4x 4-pin system fan connectors1x Front panel audio connector2x System panel connectors1x Chassis Intrusion connector1x Serial port connector1x Parallel port connector1x Clear CMOS jumperTPM (Trusted Platform Module )1 x TPM module connectorSpecial Features2x 4-pin RGB LED connectors4x EZ Debug LEDManufacturing Warranty03 Years WarrantyMSI B550 GAMING GEN3 AMD AM4 ATX MotherboardThe MSI B550 GAMING GEN3 AM4 ATX Motherboard is a high-performance motherboard designed for gaming enthusiasts. It supports AMD Ryzen 5000 & 3000 Series desktop processors, as well as AMD Ryzen 4000 G-Series desktop processors (excluding AMD Ryzen 5 3400G & Ryzen 3 3200G). This motherboard is equipped with DDR4 Memory support for up to 4400(OC) MHz, allowing for lightning-fast data transfer rates. It features Turbo M.2 Gen3 x4 and AMD Turbo USB 3.2 GEN 2, which provide faster transfer speeds for improved gaming experiences. The enhanced power design of this motherboard includes Core Boost and DDR4 Boost technology, which improves power delivery to the CPU and memory modules for stable and reliable performance. The MSI B550 GAMING GEN3 AM4 ATX Motherboard also supports multi-GPU setups with its STEEL ARMOR PCI-E slots, enabling AMD Crossfire technology for improved graphics performance. The motherboard is equipped with a Flash BIOS Button and optimized ClearCMOS function, allowing you to easily flash any BIOS within seconds using a USB key. You can also restore the BIOS to its default settings without any additional actions. Lastly, the MSI B550 GAMING GEN3 AM4 ATX Motherboard includes Audio Boost technology, which provides studio-grade sound quality for a more immersive gaming experience...