Asus RS720-E9-RS24-U User Manual - Page 41
Expansion slot, Riser card bracket 1
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2.5 Expansion slot The barebone server comes with four pre-installed riser cards. You need to remove these expansion card brackets if you want to install PCIE expansion cards. Riser card 3 Riser card 2 Riser card 1 Riser card 4 OCP Mezzanine Riser card bracket 1 Riser card bracket 1 supports PCIe Gen3 slots 1-3 top to bottom. Slot 2 can be auto-switch to x16 mode when x16 card is populated whereas slot 1 will be disabled. PCIe slot Slot 1 Slot 2 Slot 3 Operation mode x8 N/A x8 x8 (ASUS PIKE II card by default) x16 (ASUS PCIE-NVME4-OCuLink card by default) x8 (ASUS PIKE II card by default) Riser card bracket 2 Riser card bracket 2 supports PCIe Gen3 slots 4-5 top to bottom. Slot 4 can be auto-switch to x16 mode when x16 card is populated whereas slot 5 will be disabled. PCIe slot Slot 4 Slot 5 Operation mode x8 x16 x8 N/A ASUS RS720-E9-RS24-U 2-17
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