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2.4 Expansion Slots (M.2 Slots)
There 2 M.2 slots on this motherboard.
M.2 slots:
M.2 (Key B, 2242/2260/2280) supports PCIe x1 (or USB 3.0 optional),
USB 2.0 and SATA3.
M.2 (Key E, 2230) supports PCIe x1, CNVi and USB 2.0 for WiFi+BT.
M.2 Key-B Socket (M2_B1)
M.2 Key-E Socket (M2_E1)