Motherboard - micro ATX - Socket AM4 - AMD B550 Chipset - USB-C 3.2 Gen2, USB-C 3.2 Gen 1, USB 3.2 Gen 1, USB 3.2 Gen 2 - Wi-Fi 6E, Bluetooth, 2.5 Gigabit LAN - onboard graphics (CPU required) - HD Audio (8-channel)
| Main Specifications | |
|---|---|
| Product Description | MSI MAG B550M MORTAR MAX WIFI - motherboard - micro ATX - Socket AM4 - AMD B550 |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B550 |
| Processor Socket | 1 x Socket AM4 |
| Compatible Processors | Ryzen (supports Ryzen 3000 Series/ 4000 G-Series/ 5000 Series/ 5000 G-Series) |
| Max RAM Size | 128 GB |
| RAM Supported | 4 DIMM slots - DDR4, non-ECC, ECC (operate in non-ECC mode), unbuffered |
| Storage Ports | 6 x SATA-600 (RAID), 2 x M.2 |
| USB / FireWire Ports | 1 x USB-C 3.2 Gen 2 + 1 x USB 3.2 Gen 2 + 2 x USB 3.2 Gen 1 + 2 x USB 2.0 + (1 x USB-C 3.2 Gen 1 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 via headers) |
| Audio | HD Audio (8-channel) |
| LAN | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.2, 2.5 Gigabit Ethernet |
| General | |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B550 |
| Processor Socket | Socket AM4 |
| Max Processors Qty | 1 |
| Compatible Processors | Ryzen (supports Ryzen 3000 Series/ 4000 G-Series/ 5000 Series/ 5000 G-Series) |
| Expansion / Connectivity | |
| Expansion Slots | 1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 4.0 x16 ¦ 1 x PCIe 3.0 x16 (x4 mode) ¦ 2 x PCIe 3.0 x1 ¦ 2 x M.2 socket (2242/2260/2280 M.2 Key M slot) ¦ 1 x M.2 socket (Key E) |
| Storage Interfaces | SATA-600 -connectors: 6 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ SATA-600 / PCIe 4.0 -connectors: 1 x M.2 - RAID 0 / RAID 1 ¦ PCIe 3.0 -connectors: 1 x M.2 - RAID 0 / RAID 1 |
| Interfaces | 1 x LAN (2.5Gigabit Ethernet) ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out - mini-jack ¦ 1 x microphone - mini-jack ¦ 1 x SPDIF out ¦ 2 x USB 3.2 Gen 1 ¦ 1 x USB 3.2 Gen 2 ¦ 1 x audio line-out (center/subwoofer) - mini-jack ¦ 1 x audio line-out (rear) - mini-jack ¦ 1 x USB-C Gen2 ¦ 1 x PS/2 keyboard / mouse ¦ 2 x USB 2.0 ¦ 1 x HDMI ¦ 1 x DisplayPort ¦ 2 x antenna |
| Internal Interfaces | 4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x USB-C 3.2 Gen 1 - header ¦ 1 x audio - header ¦ 1 x SPI - header |
| Power Connectors | 24-pin main power connector, 8-pin ATX12V connector |
| Miscellaneous | |
| Included Accessories | Wi-Fi antenna, M.2 screw package |
| Cables Included | 2 x Serial ATA cable |
| Software Included | Drivers & utilities, MSI Center |
| Width | 9.6 in |
| Depth | 9.6 in |
| Audio | |
| Type | HD Audio (8-channel) |
| Audio Codec | Realtek ALC1220P |
| Compliant Standards | High Definition Audio |
| Features | |
| BIOS Type | AMI |
| BIOS Features | UEFI BIOS, ACPI 6.0 support, SMBIOS 2.8 support, MSI ClickBIOS 5 |
| Hardware Features | Extended Heatsink Design, EZ LED control, Frozr AI Cooling, MSI Audio Boost, MSI Mystic Light, Super Charger, Game Boost, MSI Core Boost, MSI Steel Armor, pre-mounted I/O shield, flash BIOS button, lightning gen4 solution, 2oz Copper PCB, Digital PWM, 4 Layer PCB, 8+2+1 Phase Power Design, overvoltage protection, load-line calibration (LLC) |
| LAN | |
| Network Controller | Realtek RTL8125B / Intel AX200 |
| Network Interfaces | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.2, 2.5 Gigabit Ethernet |
| Supported RAM | |
| Max Size | 128 GB |
| Technology | DDR4 |
| Bus Clock | 4400 MHz (O.C.) |
| Supported RAM Integrity Check | Non-ECC, ECC (operate in non-ECC mode) |
| Registered or Buffered | Unbuffered |
| Features | Dual channel memory architecture, supported ECC modules operate in non-ECC mode, A-XMP support |