MSI PRO B550M-P GEN3, AMD, Socket AM4, 3rd Generation AMD Ryzen™ 9, AMD Ryzen 9 5th Gen, AMD Ryzen 9 7th Gen, DDR4-SDRAM, 128 GB, DIMMPRO 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 SOFTWAREMSI 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 STORAGEMSI 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 TESTINGMSI 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.
CORE BOOSTCore 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.
| Processor |
|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | 3rd Generation AMD Ryzen™ 9, AMD Ryzen 9 5th Gen, AMD Ryzen 9 7th Gen |
| Memory |
|---|
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 4 |
| Maximum internal memory | 128 GB |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Supported memory clock speed (max) | 4400 MHz |
| Storage controllers |
|---|
| Supported storage drive interfaces | M.2, SATA III |
| RAID support | Y |
| RAID levels | 0, 1, 10 |
| Internal I/O |
|---|
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| TPM connector | Y |
| Serial port headers | 1 |
| Rear panel I/O ports |
|---|
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 1 |
| HDMI ports quantity | 1 |
| DVI-D ports quantity | 1 |
| HDMI version | 1.4 |
| Network |
|---|
| Wi-Fi | N |
| Ethernet LAN | Y |
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Features |
|---|
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 channels |
| Audio chip | Realtek ALC897 |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Expansion slots |
|---|
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | |
