- MSI B550M PRO-VDH motherboard designed for AMD Ryzen 5000, 4000G, and 3000 series processors (except Ryzen 5 3400G/Ryzen 3 3200G) - Micro-ATX form factor (244 x 244 mm) with AM4 socket and AMD B550 chipset - Supports up to 128 GB of DDR4 memory, compatible with frequencies up to 4400 MHz (OC, XMP 2.0) - Expansion slots: 1 PCIe 4.0 x16 for next-generation graphics cards and 2 PCIe 3.0 x1 for other devices - Flexible storage with 2 M.2 slots (one PCIe 4.0x4 and one PCIe 3.0x4) and 4 SATA3 ports - Versatile video outputs: HDMI 2.1, DisplayPort, and D-Sub for multiple monitors - Advanced connectivity: 4 USB 3.2 Gen1 Type A and 2 USB 2.0 Type A rear ports, 1 USB 3.2 Gen1 Type C and 2 USB 3.2 Gen1 front ports, 4 USB 2.0 front ports - High-definition 7.1 channel audio and Gigabit LAN network for stable connections - Exclusive features: Flash BIOS button, EZ Debug LED, support for liquid cooling pump, and dedicated power connector - Perfect for high-performance systems, gaming, content creation, and demanding professional environments