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.
USER FRIENDLY DESIGN MSI motherboards feature tons of convenient and smart design for DIY users, countless system tuning and troubleshooting tools are at your disposal to push your system to new heights and satisfy even the most demanding tweaker. Makes it so easy to install your own motherboard without any issue. M.2 SHIELD FROZR 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. FULLY CONTROLLABLE IN BIOS AND SOFTWARE MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically. 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. FORTIFY YOUR SYSTEM WITH PCI-E STEEL ARMOR MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference. ULTIMATE MOTHERBOARD PROTECTION Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.
CONNECTIVITY The most important thing of DIY is expandability. MSI PRO series motherboards feature plenty possibility for prosumers’ need. Stable LAN, faster storage and USB transfer speed and other expandable connectors are ready to enlarge your flexibility. 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. LIGHTNING GEN 4 M.2 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. USB 3.2 GEN 1 Transfer lots of data, music and movies over USB easier. USB 3.2 ports are ready in both front and rear IO, provides wide variety of options to connect your USB 3.2 devices. 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.
EXPERIENCE MORE MSI PRO series motherboards are designed to satisfy any professional workflow. Elevate your listening pleasure and enjoy extreme sound quality. Moreover, with years of experience in creating performance enhancing tools that are easy to use, only the highest quality applications are at your disposal. The extensive features let you fine-tune your system to deliver reliable maximum performance. 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. A HUGE STEP OF DDR PERFORMANCE MSI OC LAB does not merely work hard on extreme overclocking. Compared to B450 motherboard memory A-XMP profile, MSI does have great improvement on performance and efficiency for B550 motherboards. Easy to enable A-XMP profile with auto power settings to get the best memory speed and stability. 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. DEDICATED HIGH DEFINITION AUDIO PROCESSOR Make sure you enjoy the purest sound quality in both stereo and surround sound. HIGH QUALITY AUDIO CAPACITORS A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured. HD AUDIO CONNECTORS Keep you sound perfect by transmit your aduio with pure digital signal. ISOLATED AUDIO DESIGN Like a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated. SEPARATED AUDIO LAYERS FOR CLEAN LEFT & RIGHT CHANNELS Using separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels. DRAGON CENTER MSI brand new Dragon Center unifies a suite of MSI software utilities into a single centralized application. Take control of advanced motherboards features and unleash endless possibilities. CLICK BIOS 5 Get more from a loaded BIOS designed for ease of use. Fine-tune the motherboard for gaming performance, efficiency, or overclocking world records!
Specification:
Internal I/O |
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Number of M.2 (M) slots | 2 |
12V power connector | Yes |
Supported storage drive interfaces | SATA III |
USB 2.0 connectors | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
Serial port headers | 1 |
Number of SATA III connectors | 4 |
Number of chassis fan connectors | 3 |
CPU fan connector | Yes |
ATX Power connector (24-pin) | Yes |
RGB LED pin header | Yes |
Technical details |
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Motherboard chipset family | AMD |
Motherboard chipset | AMD B550 |
Serial port headers | 1 |
Parallel processing technology support | Not supported |
Motherboard form factor | micro ATX |
Component for | PC |
Number of mounting holes | 8 |
Audio |
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Audio output channels | 7.1 channels |
Performance |
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Supported storage drive types | HDD & SSD |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B550 |
RAID levels | 0, 1, 10 |
Audio output channels | 7.1 channels |
Motherboard form factor | micro ATX |
Component for | PC |
Processor |
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Processor manufacturer | AMD |
Compatible processor series | 3rd Generation AMD Ryzen™ 3, 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9 |
Maximum number of SMP processors | 1 |
Processor socket | Socket AM4 |
Memory |
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Number of memory slots | 4 |
Memory slots type | DIMM |
Supported memory types | DDR4-SDRAM |
Memory channels | Dual-channel |
ECC | Yes |
Non-ECC | Yes |
Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400 MHz |
Maximum internal memory | 128 GB |
Unbuffered memory | Yes |
Storage controllers |
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Supported storage drive types | HDD & SSD |
Supported storage drive interfaces | SATA III |
RAID levels | 0, 1, 10 |
Graphics |
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Maximum graphics card memory | 16000 MB |
Parallel processing technology support | Not supported |
Maximum resolution | 4096 x 2160 pixels |
Rear panel I/O ports |
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USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
USB 2.0 ports quantity | 2 |
WiFi-AP antenna jack | 2 |
VGA (D-Sub) ports quantity | 1 |
PS/2 ports quantity | 1 |
HDMI ports quantity | 1 |
Ethernet LAN (RJ-45) ports | 1 |
DisplayPorts quantity | 1 |
Network |
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Ethernet LAN | Yes |
Wi-Fi | Yes |
Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
LAN controller | Realtek 8111HN |
Ethernet interface type | Gigabit Ethernet |
Bluetooth | Yes |
Bluetooth version | 4.2 |
Features |
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Number of mounting holes | 8 |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B550 |
Audio output channels | 7.1 channels |
Motherboard form factor | micro ATX |
Component for | PC |
Audio chip | Realtek ALC892 |
Harmonized System (HS) code | 84733020 |
Expansion slots |
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Number of M.2 (M) slots | 2 |
PCI Express x1 (Gen 3.x) slots | 2 |
PCI Express x16 (Gen 4.x) slots | 1 |
BIOS |
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Clear CMOS jumper | Yes |
Video |
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Maximum graphics card memory | 16000 MB |
Maximum resolution | 4096 x 2160 pixels |
Software |
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Drivers included | Yes |
Weight & dimensions |
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Height | 2.56" (65 mm) |
Weight | 2.2 lbs (1 kg) |
Width | 9.61" (244 mm) |
Depth | 9.61" (244 mm) |
Packaging content |
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Drivers included | Yes |
Cables included | SATA |
Other features |
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Height | 2.56" (65 mm) |
Weight | 2.2 lbs (1 kg) |