X399D8A-2T
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English
2.6 Expansion Slots (PCI Express Slots)
There are 6 PCI Express slots on this motherboard.
PCIE slot:
PCIE2, PCIE4 and PCIE6 (PCIE 3.0 x16 slot, from CPU) are used for PCI Express x16 lane
width graphics cards.
PCIE3 and PCIE5 (PCIE 3.0 x16 slot, from CPU) are used for PCI Express x8 lane width
graphics cards.
PCIE7 (PCIE 2.0 x4 slot, from PCH) is used for PCI Express x4 lane width graphics cards.
Slot
Generation
Mechnical
Eletrical
Source
PCIE 2
3.0
x16
x16
CPU
PCIE 3
3.0
x16
x8
CPU
PCIE 4
3.0
x16
x16
CPU
PCIE 5
3.0
x16
x8
CPU
PCIE 6
3.0
x16
x16
CPU
PCIE 7
2.0
x4
x4
PCH
PCI Express Slot Configuration
No.
PCIE 3
PCIE 2
Single Graphics Card
x16
Two Graphics Cards
x8
x8
No.
PCIE 5
PCIE 4
Single Graphics Card
x16
Two Graphics Cards
x8
x8
Installing an expansion card
Step 1.
Before installing an expansion card, please make sure that the power
supply is switched off or the power cord is unplugged. Please read the
documentation of the expansion card and make necessary hardware
settings for the card before you start the installation.
Step 2.
Remove the system unit cover (if your motherboard is already installed
in a chassis).
Step 3.
Remove the bracket facing the slot that you intend to use. Keep the
screws for later use.
Step 4.
Align the card connector with the slot and press firmly until the card is
completely seated on the slot.
Step 5.
Fasten the card to the chassis with screws.
Step 6. Replace the system cover.
