The MSI PRO B550M-P GEN3 AMD AM4 Motherboard supports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors. This motherboard comes with 4x DDR4 memory slots and supports up to 4400(OC) MHz. It supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC and supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz by A-XMP OC MODE. The MSI PRO B550M-P GEN3 AMD AM4 Motherboard runs at PCI-E Gen3 x4 and maximizes performance for NVMe-based SSDs. It offers 1x PCIe 3.0 x16 slot (From CPU) and 2x PCIe 3.0 x1 slots (From AMD B550 chipset). It also has 4x SATA 6Gb/s ports. MSI PRO B550M-P GEN3 lets you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you to check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for the CPU and motherboard, which will adjust the fan speeds automatically. It comes with Audio Boost so you can reward your ears with studio-grade sound quality. And also a Steel Armor that protects VGA cards against bending and EMI for better performance, stability, and strength. The MSI PRO B550M-P GEN3 comes with 3 years warranty.