Build your computer on a great foundation with the B450M-A Pro Max II Micro-ATX Motherboard from MSI. Great for smaller builds, the B450M-A Pro Max II provides all the necessary slots to maintain high performance in a compact package. Add up to 64GB of RAM to your build with the two DDR4 DIMM slots. The PCIe 3.0 and 2.0 slots allow you to add high-powered graphics cards and other add-on features such as network cards. Add plenty of storage to your build with an M.2 slot and four available SATA ports. The B450M-A Pro Max II is compatible with AMD Ryzen 5000, 4000, 3000, 2000, and 1000 CPUs on 64-bit Windows 10 and 11 machines.