Expansion Slots (Pci Express Slots) - ASROCK X370 KILLER SLI/AC User Manual

2.4 Expansion Slots (PCI Express Slots)

There are 6 PCI Express slots on the motherboard.
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.
PCIe slots:
PCIE1 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE3 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE5 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE6 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIe Slot Configurations
th
7 A-Series APUs :
Single Graphics Card
Ryzen series CPUs:
Single Graphics Card
Two Graphics Cards in
TM
CrossFireX or SLI
Mode
For a better thermal environment, please connect a chassis fan to the motherboard's chassis
fan connector (CHA_FAN1 or CHA_FAN2) when using multiple graphics cards.
PCIE2
x8
PCIE2
x16
TM
x8
X370 Killer SLI/ac / X370 Killer SLI
PCIE4
N/A
PCIE4
N/A
x8
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