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2.4 Expansion Slots
There are 4 PCI Express slots, 4 M.2 sockets and 1 SIM socket on this mother-
board.
PCIE slots:
PCIE1 (PCIE 4.0 x16 slot) is used for PCI Express x16 lane width cards.
PCIE2 (PCIE 4.0 x4 slot) is used for PCI Express x4 cards.
PCIE3 (PCIE 4.0 x16 slot) is used for PCI Express x8 lane width cards.
PCIE4 (PCIE 4.0 x4 slot) is used for PCI Express x4 cards.
* PCIE1/PCIE3: single at x16 (PCIE1); dual at x8 (PCIE1) / x8 (PCIE3).
* PCIE1: Support riser card x8/x8.
* If using PCIEx8/x16 card on PCIE2/PCIE4 slot, M.2 Key M2(M2_M2)
and M.2 Key E(M2_E1) are limited to install.
SIM socket:
1 x SIM socket connected to M.2 key B.
M.2 sockets:
1 x M.2 (Key M, up to 25110) with PCIex4 Gen4 for SSD.
1 x M.2 (Key M, 2242/2260/2280) with PCIex4 Gen3 for SSD.
1 x M.2 (Key B, 3042/3052) with PCIex1, USB 3.2 Gen1, USB 2.0 and
SIM for 4G/5G.
1 x M.2 (Key E, 2230) with PCIe x1, USB 2.0 and CNVi for Wireless.
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