The MSI B550-A PRO delivers a rock-solid foundation for your AMD Ryzen build. This ATX motherboard supports PCIe 4.0 for lightning-fast graphics and NVMe storage, and features a robust 10+2 phase VRM with extended heatsinks for stable performance under load. With dual M.2 slots, six SATA ports, and a full suite of USB 3.2 Gen 2 connectivity, it offers generous expansion options. The convenient Flash BIOS button makes updating the firmware a breeze, even without a CPU installed. A reliable and feature-rich choice for both productivity and gaming systems.
CPU Socket: AM4
Chipset: AMD B550
Form Factor: ATX
Memory Support: 4 x DDR4, up to 128GB, 4400MHz (OC)
PCIe Slots: 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16, 3 x PCIe 3.0 x1
Storage: 1 x M.2 PCIe 4.0 x4, 1 x M.2 PCIe 3.0 x4, 6 x SATA 6Gb/s
USB Ports (Rear): 1 x USB 3.2 Gen 2 Type-C, 1 x USB 3.2 Gen 2 Type-A, 2 x USB 3.2 Gen 1 Type-A, 2 x USB 2.0
Video Outputs: 1 x HDMI 2.1, 1 x DisplayPort 1.2
Audio: Realtek ALC892/897 7.1-Channel HD Audio
LAN: Realtek RTL8111H Gigabit LAN
