The ASRock AB350M Pro4 is based around AMD’s B350 chipset and built into the Micro ATX form factor. This board’s small dimensions as well as its price are deceptive as the ASRock AB350M Pro4 boasts many of the features and accommodations I would expect from a full fledged X470 board. Dual M.2 slots, AMD Quad CrossFire support, full overclocking support, 7.1 channel audio, and USB Type-C are just a few of these standout features on the ASRock AB350M Pro4.
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