Expansion Slots (Pci Express Slots) - ASROCK Z270 SuperCarrier Motherboard

2.4 Expansion Slots (PCI Express Slots)

There are 5 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 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards
PCIE3 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE5 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIe Slot Configurations
Single Graphics Card
Two Graphics Cards in
CrossFireX
Mode
Three Graphics Cards in
CrossFireX
Mode
Four Graphics Cards in
CrossFireX
Mode
For a better thermal environment, please connect a chassis fan to the motherboard's
chassis fan connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3 ) when using mul-
tiple graphics cards.
22
PCIE1
x16
TM or SLI TM
x16
TM or SLI TM
x8
TM or SLI TM
x8
PCIE2 PCIE4
N/A N/A
N/A x16
x8 x16
x8 x8
PCIE5
N/A
N/A
N/A
x8