Expansion Slot - Asus RS720A-E12 Series User Manual

2.7

Expansion slot

The barebone server comes with four pre-installed riser cards to support eight PCIe slots and
one OCP 3.0 slot on board.
Riser card 3
Riser card bracket 1
Riser card bracket 1 supports PCIe Gen4 slots 1-4 top to bottom.
PCIe slot
Slot 1
Slot 2
Slot 3
Slot 4
Riser card bracket 2
Riser card bracket 2 supports PCIe Gen4 slots 5-6 top to bottom. Slot 5 can be auto-switch to
x16 mode when x16 card is populated whereas slot 6 will be disabled.
PCIe slot
Slot 5
Slot 6
Riser card bracket 3
Riser card bracket 3 supports PCIe Gen4 slots 9. If M.2 is in use, Slot 9 will operate at x8
mode.
PCIe slot
Slot 9
ASUS RS720-E12 Series
Riser card 2
Riser card 4
x8
x8
x16
x8 (ASUS PIKE II card)
x8
x8
Operation mode
x8 (ASUS PIKE II card)
Operation mode
Operation mode
x16/x8
Riser card 1
OCP 3.0
x16
N/A
OCP 3.0
x16
N/A
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