Well, the ASRock B550 Phantom Gaming-ITX/ax is the only ITX motherboard that I’ve seen that features two M.2 slots for SSDs. One Hyper M.2 (PCIE 4.0/Gen4) and the other, Ultra M.2 (PCIE 3.0/Gen3). Most mini-ITX motherboards that I’ve come across only come with one M.2 slot.
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