3 Things to Know About the MSI PRO B660M-G's Expansion Slots

  1. One PCIe 4.0 x16 slot This single slot runs at full Gen 4 bandwidth, so a modern graphics card won’t be bottlenecked.

  2. One PCIe 3.0 x1 slot This is for a modest expansion card like a Wi-Fi adapter or sound card.

  3. No extra PCIe slots The micro-ATX board keeps expansion simple, which is expected at this price tier.

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