The MSI B550 GAMING WIFI is an ATX motherboard based on the AMD B550 chipset and Socket AM4. It supports AMD Ryzen 5000 and 3000 Series desktop processors, excluding Ryzen 5 3400G and Ryzen 3 3200G, as well as Ryzen 4000 G-Series desktop processors. Four DDR4 DIMM slots support up to 128GB of memory. The motherboard combines a CPU-connected PCIe 4.0 x16 slot with dual M.2 storage, six SATA 6G ports, Realtek Gigabit LAN, Wi-Fi 5 and Bluetooth 5.0. MSI also equips the board with a 10+2+1 Duet Rail Power System, Extended Heatsink Design, M.2 Shield Frozr, PCIe Steel Armor, Flash BIOS Button and EZ Debug LED. Key Features AMD B550 Platform: Socket AM4 support for compatible AMD Ryzen 5000, 4000 G-Series and 3000 Series desktop processors. DDR4 Memory: Four DDR4 DIMM slots with up to 128GB capacity and A-XMP overclocking support up to 4866+ MHz. PCIe 4.0 Expansion: CPU-connected PCIe 4.0 x16 slot for high-bandwidth expansion. Dual M.2 Storage: One PCIe 4.0 x4/SATA M.2 slot and one PCIe 3.0 x4 M.2 slot, plus six SATA 6G ports. Integrated Networking: Realtek 8111H Gigabit LAN, Wi-Fi 5 and Bluetooth 5.0. USB Connectivity: Rear USB 10Gbps Type-A and Type-C plus front USB 5Gbps Type-C support. Technical Specifications Component Specification MSI Model B550 GAMING WIFI Chipset AMD B550 CPU Socket AM4 CPU Support AMD Ryzen 5000 & 3000 Series desktop processors and Ryzen 4000 G-Series desktop processors CPU Exclusions Not compatible with AMD Ryzen 5 3400G or Ryzen 3 3200G Power Design 10+2+1 Duet Rail Power System, 55A DrMOS CPU Power 1 × 8-pin Memory Type DDR4 Memory Slots 4 × DDR4 DIMM Maximum Memory 128GB Maximum Memory Speed Up to DDR4-4866+ MHz via A-XMP OC Mode Memory Architecture Dual-Channel Expansion Slots 2 × PCIe x16, 1 × PCIe x1 Primary PCIe Slot PCIe 4.0 x16 from CPU Additional PCIe Slots PCIe 3.0 x4 and PCIe 3.0 x1 from chipset M.2 Storage 2 × M.2 M.2_1 PCIe 4.0 x4 / SATA, supports 2242 / 2260 / 2280 / 22110 devices M.2_2 PCIe 3.0 x4, supports 2280 devices SATA 6 × SATA 6G Multi-GPU AMD Multi-GPU Support LAN Realtek 8111H 1G LAN Wi-Fi Wi-Fi 5 Bluetooth Bluetooth 5.0 Audio Realtek ALC897, 7.1-Channel High Definition Audio HDMI HDMI 2.1, up to 4K 60Hz DisplayPort DisplayPort 1.2, up to 4K 60Hz Rear USB 10Gbps 1 × Type-A, 1 × Type-C Rear USB 5Gbps 2 × Type-A Rear USB 2.0 Front USB Support 1 × USB 5Gbps Type-C, 2 × USB 5Gbps Type-A, 4 × USB 2.0 Form Factor ATX Dimensions 243.84 × 304.8 mm Operating System Windows 11 64-bit Compatibility & Important Information The motherboard uses Socket AM4 and supports AMD Ryzen 5000 and 3000 Series desktop processors, excluding Ryzen 5 3400G and Ryzen 3 3200G, plus Ryzen 4000 G-Series desktop processors. The HDMI and DisplayPort motherboard video outputs are available only when using a processor featuring integrated graphics. Memory compatibility and supported speeds vary according to the installed processor, memory modules and DIMM configuration. M.2_1 supports PCIe 4.0 x4 and SATA storage devices, while M.2_2 supports PCIe 3.0 x4 devices. This motherboard uses DDR4 memory and is not compatible with DDR5 DIMMs. The primary expansion slot is PCIe 4.0 x16, while the additional expansion slots operate through the B550 chipset at PCIe 3.0. Produ Specifications Manufacturers Link https://www.msi.com/Motherboard/B550-GAMING-WIFI/Specification Motherboard Specifications CPU Support AMD Ryzen IV & V Generation CPU Socket Type AM4 Chipset AMD B550 Form Factor ATX Memory Type DDR4 Memory Speed 4866 MHz Maximum Memory 128 GB Memory Slots 4 Slots M.2 Slots Yes Wireless LAN Yes Warranty Warranty 1 Year Please to review Q: Which processors are compatible with the MSI B550 GAMING WIFI? A: MSI specifies support for AMD Ryzen 5000 and 3000 Series desktop processors and Ryzen 4000 G-Series desktop processors. Ryzen 5 3400G and Ryzen 3 3200G are specifically excluded. Q: Does the MSI B550 GAMING WIFI use DDR4 or DDR5 memory? A: It uses DDR4 memory. The motherboard has four DDR4 DIMM slots with a maximum capacity of 128GB. Q: What is the maximum specified memory speed? A: MSI lists DDR4 memory speeds up to 4866+ MHz through A-XMP OC Mode. Maximum supported speed varies according to the processor and memory configuration. Q: Does the motherboard support PCIe 4.0? A: Yes. MSI specifies a CPU-connected PCIe 4.0 x16 primary expansion slot. Q: How many M.2 SSD slots are available? A: There are two M.2 slots. M.2_1 supports up to PCIe 4.0 x4 or SATA devices, while M.2_2 supports up to PCIe 3.0 x4. Q: Does the motherboard include Wi-Fi and Bluetooth? A: Yes. MSI specifies Wi-Fi 5 and Bluetooth 5.0. Q: What wired networking does the motherboard provide? A: It uses a Realtek 8111H Gigabit LAN controller. Q: Can the motherboard HDMI and DisplayPort outputs be used with any compatible processor? A: No. MSI specifies that the onboard HDMI and DisplayPort outputs are available only when the installed processor features integrated graphics.