Highlights
MAKE YOUR PC MORE THAN YOU THINK PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity. SECURE BOOT Secure boot is a security standard to make sure that a device boots using only software that is trusted. When the PC starts, the firmware checks the signature of each piece of boot software, including UEFI firmware drivers, EFI applications, and the operating system. The PC boots while the signatures are valid. TPM SUPPORT The TPM (Trusted Platform Module) enhances security above and beyond the capabilities of consumer software, which is also used to keep your PC running well. MSI PRO series motherboards support TPM to enable a deeper and broader level of security coverage. OVERVOLTAGE PROTECTION To prevent an damage from unexpected high voltage power, MSI PRO motherboards are designed with optimized circuit and high quality components. HUMIDITY PROTECTION Reduction in moisture absorption helps prevent "Conductive Anodic Filament". Untreated PCB's can have 10x higher failure rate. HIGH TEMPERATURE PROTECTION All key components used in MSI motherboards have all passed military testing ensuring stable operation in the harshest environments. CIRCUIT PROTECTION Carefully selected materials, multiple PCB layers and shielding result in the best circuit protection for MSI motherboards. ESD PROTECTION Each and every I/O port is protected against the hazards of Electro Static Discharge. EMI PROTECTION All MSI motherboards comply with strict American FCC regulations and reduce the impact of Electromagnetic Interference. EZ DEBUG LED Run into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get up and running again. XL CLIP The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer. NETWORK WITH HIGH SECURITY B550M PRO-DASH equips Realtek® 8111EPV Gigabit LAN, a security network solution combines a triple-speed IEEE 802.3 compatible Media Access Controller (MAC) with a triple-speed Ethernet transceiver and PCI Express bus controller. With state-of-the-art DSP technology and mixed-mode signal technology, the RTL8111EPV offers functions such as Crossover Detection and Auto-Correction, polarity correction, adaptive equalization, cross-talk cancellation, echo cancellation, timing recovery, and error correction are implemented to provide robust transmission and reception capability at high speeds. FAST AND FUTURE-READY STORAGE MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier. USB FRONT TYPE-C MSI motherboards support USB Front Type-C that allows gamers to connect with the latest USB devices. Built up a system with MSI PC case to have the most convenient experience. EXTEND YOUR RGB EXPERIENCE WITH EASE Add your color if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller. JRAINBOW Connects 3-pin 5V Addressable LED strip JRGB Connects 4-pin 12V RGB LED strip PCB WITH 2OZ THICKENED COPPER An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking. LIGHTNING GEN 4 PCI-E MSI lightning Gen 4 PCI-E is the latest and the fastest PCI-E data transfer solution with 64GB/s of unidirectional transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications. Optimized by steel armor design and server grade PCB, you can enjoy next-gen devices without any compromise. CORE BOOST Core Boost technology combines MSI's premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.Specifications
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Processor manufacturer
AMD
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Processor socket
Socket AM4
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Compatible processor series
AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9
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Supported processor sockets
Socket AM4
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Supported memory types
DDR4-SDRAM
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Number of memory slots
4
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Maximum internal memory
128 GB
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Memory slots type
DIMM
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Memory channels
Dual-channel
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ECC
Y
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Non-ECC
Y
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Supported memory clock speeds
1866,2133,2400,2667,2800,2933 MHz
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Unbuffered memory
Y
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Supported storage drive interfaces
M.2, SATA III
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Supported storage drive types
HDD & SSD
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Number of storage drives supported
6
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RAID levels
0, 1, 10
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Parallel processing technology support
Not supported
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Maximum resolution
4096 x 2160 pixels
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USB 2.0 connectors
2
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USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
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Number of SATA III connectors
4
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Front panel audio connector
Y
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ATX Power connector (24-pin)
Y
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Power fan connector
Y
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CPU fan connector
Y
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Chassis intrusion connector
Y
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Peripheral (Molex) power connectors (4-pin)
3
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EPS power connector (8-pin)
Y
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TPM connector
Y
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Serial port headers
1
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12V power connector
Y
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RGB LED pin header
Y
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USB 2.0 ports quantity
2
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USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
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Ethernet LAN (RJ-45) ports
1
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VGA (D-Sub) ports quantity
1
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HDMI ports quantity
1
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PS/2 ports quantity
1
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DisplayPorts quantity
1
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Headphone outputs
2
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Microphone in
Y
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Wi-Fi
N
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Ethernet LAN
Y
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Ethernet interface type
Gigabit Ethernet
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LAN controller
Realtek RTL8111EPV
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Component for
PC
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Motherboard form factor
micro ATX
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Motherboard chipset family
AMD
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Motherboard chipset
AMD B550
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Audio output channels
7.1 channels
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Audio chip
Realtek ALC892 / Realtek ALC897
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Number of mounting holes
8
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Windows operating systems supported
Windows 10 x64
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PCI Express x1 (Gen 3.x) slots
2
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PCI Express x16 (Gen 3.x) slots
1
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PCI Express x16 (Gen 4.x) slots
1
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BIOS type
UEFI
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Clear CMOS jumper
Y
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Width
244 mm
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Depth
244 mm
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Cables included
SATA
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Drivers included
Y