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2.5
Expansion slot
The barebone server comes with four pre-installed riser cards to support eight PCIe slots and
one OCP Mezzanine slot on board.
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
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
2-12
Riser card 3
x8
x8
x8 (ASUS PIKE II card by default)
x8
x8
Riser card 2
Riser card 4
Operation mode
x8 (ASUS PIKE II card by default)
Operation mode
Chapter 2: Hardware Information
Riser card 1
OCP Mezzanine
N/A
x16
x16
N/A
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