Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors Ultra Performance: 10+2+1 Phase Duet Rail Power System (55A DrMOS), 8-pin CPU power connector, Core Boost, Memory Boost, 4-layer PCB with 2oz thickened copper Supports DDR4 Memory, up to 4400(OC) MHz Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and M.2 Shield Frozr are built for high performance system and non-stop experience Lightning Fast Game experience: PCIe 4.0 slot, Lightning Gen 4 x4 M.2, Front USB Type-C High-speed Connectivity: Wi-Fi 5 Solution with 1G LAN - The latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission Audio Boost: Reward your ears with studio-grade sound quality for the most immersive gaming experience Download datasheet Chipset AMD B550 CPU Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processorsSocket AM4 Memory 4x DDR4, Maximum Memory Capacity 128GBMemory Support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400/ 4533/ 4600/ 4733/ 4800/ 4866+ MHz by A-XMP OC MODE• 1DPC 1R Max speed 4800 MHz • 1DPC 2R max speed 3866 MHZ • 2DPC 1R max speed 4000 MHZ • 2DPC 2R max speed 3600 MHZ• Dual channel memory architecture • Supports non-ECC UDIMM memory • Supports ECC UDIMM memory (non-ECC mode) • Supports un-buffered memory • Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/. Onboard Graphics 1x HDMI™Support HDMI™ 2.1, maximum resolution of 4K 60Hz*1x DisplayPortSupport DisplayPort 1.2, maximum resolution of 4K 60Hz**Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. Slot 2x PCI-E x16 slot (Qty)1x PCI-E x1 slot (Qty)PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) PCI_E3 Gen PCIe 3.0 supports up to x4 (From Chipset) PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset) Audio Realtek® ALC8977.1-Channel High Definition Audio Storage 2x M.2 (Qty)M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 / SATA mode, supports 22110/2280/2260/2242 devices M.2_2 Source (From Chipset) supports up to PCIe 3.0 x4 , supports 2280 devices 6x SATA 6G (Qty) Multi-GPU AMD MULTI-GPU Support USB 4x USB 2.0 (Rear)4x USB 2.0 (Front)2x USB 5Gbps Type A (Rear)2x USB 5Gbps Type A (Front)1x USB 5Gbps Type C (Front)1x USB 10Gbps Type A (Rear)1x USB 10Gbps Type C (Rear) LAN Realtek® 8111H 1G LAN Internal IO 1x Power Connector(ATX_PWR)1x Power Connector(CPU_PWR)1x CPU Fan1x Pump Fan6x System Fan2x Front Panel (JFP)1x Chassis Intrusion (JCI)1x Front Audio (JAUD)1x Com Port (JCOM)2x Addressable RGB LED connector(JRAINBOW) 1x RGB LED connector(JRGB)1x TPM pin header(Support TPM 2.0)4x USB 2.0 ports1x USB 5Gbps Type A ports1x USB 5Gbps Type C ports WIRELESS LAN & BLUETOOTH Wi-Fi 5 SolutionSupports Bluetooth® 5.0 LED FEATURE 4x EZ Debug LED BACK PANEL PORTS USB 2.0 DisplayPort 1.2 1G LAN USB 10Gbps (Type-A) Wi-Fi / Bluetooth Audio Connectors Flash BIOS Button HDMI™ USB 2.0 USB 5Gbps (Type-A) USB 10Gbps (Type-C) OPERATING SYSTEM Support for Windows® 11 64-bit BOX CONTENT PCB Info ATX243.84mmx304.8mm