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With years of experience, MSI is no stranger to building high-performance motherboards. Our R&D and engineering teams have reviewed countless designs, evaluated a wide selection of high quality components, and developed products for reliability even under extreme conditions. Designed to support the most popular All-In-One & customized water cooling solutions on the market. A dedicated water pump PIN header supports up to 3 amp, giving you full control of the water pump speed. A clearly marked ‘keep-out-zone’ allows for easy and safe installation and a perfect fit. World’s fastest SSDs can start to lower performance when getting hot. Part of the motherboards heatsink design, M.2 Shield Frozr is the next generation M.2 thermal solution to avoid this by offering the best thermal protection to make sure that SSD maintains maximum performance. Utilizing 3rd Gen Ryzen processors, MSI B550 motherboards feature latest Lightning Gen 4 M.2 which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed. MSI B550 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier. 2.5Gbps LAN provides incredible data transfer speed faster than general Gigabit LAN. This is a premium solution for demanding users. The latest Wi-Fi 6E solution supports 6GHz spectrum, Bluetooth 5.2, two-way MU-MIMO and BSS color technology, provide up to 4X network capacity and efficiency in the high signal density environment, delivering speeds up to 2400Mbps.

CPU
  • Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors
Chipset
  • AMD B550
Memory
  • 4 x DDR4 memory slots, support up to 128GB
    Supports 1866 / 2133 / 2400 / 2667 / 2800 / 2933 / 3000 / 3066 / 3200 MHz by JEDEC
  • Supports DDR4 2667 / 2800 / 2933 / 3000 / 3066 / 3200 / 3466 / 3600 / 3733 / 3866 / 4000 / 4133 / 4266 / 4400 + MHz by A-XMP OC MODE
    1DPC 1R max speed 4400 MHz
    1DPC 2R max speed 3733 MHz
    2DPC 1R max speed 3866 MHz
    2DPC 2R max speed 3466 MHz
  • Dual channel memory architecture
  • Supports non-ECC UDIMM memory
  • Supports ECC UDIMM memory (non-ECC mode)
  • Supports un-buffered memory
Onboard Graphics

  • 1 x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz
    Support HDCP 1.4 & 2.3
  • 1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz

Maximum shared memory of 16 GB

Audio

Realtek ALC1220P Codec

  • 7.1-Channel High Definition Audio
  • Supports S/PDIF output
LAN

1 x Realtek RTL8125B 2.5Gbps LAN controller

Wireless Communication Module

AMD Wi-Fi 6E

  • The Wireless module is pre-installed in the M.2 (Key-E) slot
  • Supports MU-MIMO TX/RX
  • Supports 20MHz, 40MHz, 80MHz bandwidth in 2.4GHz/ 5GHz or 6GHz bands
  • Supports 802.11 a/ b/ g/ n/ ac/ ax
  • Supports Bluetooth 5.2
Expansion Slots

1 x PCIe 3.0/ 4.0 x16 slot (PCI_E1) 1

1 x PCIe 3.0 x16 slot (PCI_E4), supports x4 mode

  • PCI_E4 will be unavailable when an M.2 SSD is installed in the M2_2 slot.

2 x PCIe 3.0 x1 slots

Multi-Graphics Technology
  • Supports AMD CrossFire Technology
Storage Interface

6 x SATA 6Gb/s ports (From B550 chipset)

  • PCI_E4, M2_3, M2_4 and SATA5~8 share the same bandwidth.

2 x M.2 slots (Key M)

  • M2_1 slot (from AMD processor)
    Supports PCIe 4.0/ 3.0 x4 1
    Supports SATA 6Gb/s
    Supports 2242/ 2260/ 2280 storage devices
  • M2_2 slot (from AMD B550 chipset)
    Supports PCIe 3.0x4
    Supports 2242/ 2260/ 2280 storage devices

Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices

Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

USB

AMD B550 Chipset

  • 3 x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)
  • 6 x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)

AMD Processor

  • 2 x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
  • 2 x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel
Internal I/O Connectors
  • 1 x 24-pin ATX main power connector
  • 1 x 8-pin ATX 12V power connector
  • 6 x SATA 6Gb/s connectors
  • 2 x M.2 slots (M-Key)
  • 1 x USB 3.2 Gen 1 5Gbps Type-C port
  • 1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
  • 2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
  • 1 x 4-pin CPU fan connector
  • 1 x 4-pin water-pump fan connector
  • 3 x 4-pin system fan connectors
  • 1 x Front panel audio connector
  • 2 x System panel connectors
  • 1 x Chassis Intrusion connector
  • 1 x 4-pin RGB LED connector
  • 2 x 3-pin RAINBOW LED connectors
  • 1 x TPM module connector
  • 1 x Clear CMOS jumper
Back Panel Connectors
  • 1 x DisplayPort 1.4
  • 1 x PS/2 Combo Port
  • 1 x 2.5G LAN Port
  • 1 x USB 3.2 Gen 2 10Gbps Type-A
  • 2 x Wi-Fi / Bluetooth Antenna
  • 5 x HD Audio Connectors
  • 1 x HDMI 2.1 Port
  • 1 x Flash BIOS Button
  • 2 x USB 2.0 Port
  • 2 x USB 3.2 Gen 1 5Gbps Type-A
  • 1 x USB 3.2 Gen 2 10Gbps Type-C
  • 1 x Optical S/PDIF OUT
I/O Controller
  • Not Specified
H/W Monitoring
  • CPU / System / Chipset temperature detection
  • CPU / System / Pump fan speed detection
  • CPU / System / Pump fan speed control
BIOS
  • Not Specified
Unique Features
  • BIOS Flash Button
Bundled Software
  • Drivers
Operating System
  • Support for Windows 10/11 64-bit
Form Factor
  • Micro ATX Form Factor, 24.4cm x 24.4cm

Manufacturer
Manufacturer's WebsiteLink *
Product WebsiteLink *
Warranty Information
Warranty Duration3 Years
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MSI MAG B550M MORTAR MAX WIFI, AMD B550 Chipset, Socket AM4, Micro ATX Desktop Motherboard

  • Product Code: MAG B550M MORTAR MAX WIFI
  • Availability: Out Of Stock leadtimeTooltip Lead Times:
    • In Stock with Progenix: Ready for collection/dispatch once payment clears. The cut-off for same-day dispatch is 12:00pm on business days.
    • In Stock with Supplier: 1-3 business days until dispatched or ready for collection
    • Out Of Stock: Contact us to see if this item will be restocked.
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