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| Processor | |
| Processor manufacturer | AMD |
| Maximum number of SMP processors | 1 |
| Compatible processor series | Ryzen |
| Processor socket | Socket AM4 |
| Memory | |
| Maximum internal memory | 128 GB |
| Non-ECC |  |
| Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400 MHz |
| Supported memory types | DDR4 |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Weight & dimensions | |
| Width | 24.4 cm |
| Depth | 24.4 cm |
| Networking | |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g |
| Ethernet LAN | |
| LAN controller | Realtek RTL8111H |
| Wi-Fi |  |
| Ethernet interface type | Gigabit Ethernet |
| Top Wi-Fi standard | Not available |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| ATX Power connector (24-pin) | |
| Chassis intrusion connector | |
| Front panel audio connector | |
| TPM connector | |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 6 |
| Front panel connector | |
| 12V power connector | |
| Back panel I/O ports | |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 1 |
| DVI-D ports quantity | 1 |
| HDMI ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Storage controllers | |
| RAID levels | 0, 1, 10 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Packaging content | |
| Cables included | SATA, Serial |
| Expansion slots | |
| PCI Express x1 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 1 |
| BIOS | |
| BIOS memory size | 256 Mbit |
| BIOS type | AMI |
| ACPI version | 6.1 |
| Clear CMOS jumper | |
| Graphics | |
| Maximum resolution | 4096 x 2160 pixels |
| Parallel processing technology support | Not supported |
| Features | |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | Micro ATX |
| Audio output channels | 8.0 channels |
| Motherboard chipset family | AMD |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| EAN | 4719072962234 |
| Warranty | 1 year |
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.
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.
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.
EXTREME STABILITY & COMPATIBILITY TESTING
MSI conducts thorough memory testing with the most popular memory brands under extreme conditions to ensure your system runs stable no matter what. Our memory partners include brands like Corsair, Crucial, Kingston, G.Skill and many more to optimize memory modules and configurations.
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.
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.
EXTREME STABILITY & COMPATIBILITY TESTING
MSI conducts thorough memory testing with the most popular memory brands under extreme conditions to ensure your system runs stable no matter what. Our memory partners include brands like Corsair, Crucial, Kingston, G.Skill and many more to optimize memory modules and configurations.
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The above technical details are for reference only and may change without notice. We reserve the right to correct printing errors and use illustrations for guidance. Some text may be auto-generated or machine-translated, which could lead to inaccuracies.