Expansion Slots (Pci Express Slots) - ASROCK EP2C612 WS User Manual

2.6 Expansion Slots (PCI Express Slots)

here are 7 PCI Express slots on this motherboard.
PCIE slot:
PCIE1 (PCIE 3.0 x16 slot, from CPU 2) is used for PCI Express x16 lane width cards.
PCIE2 (PCIE 3.0 x16 slot, from CPU 1) is used for PCI Express x8 lane width cards.
PCIE3 (PCIE 3.0 x16 slot, from CPU 2) is used for PCI Express x16 lane width cards.
PCIE4 (PCIE 3.0 x16 slot, from CPU 2) is used for PCI Express x8 lane width cards.
PCIE5 (PCIE 3.0 x16 slot, from CPU 1) is used for PCI Express x16 lane width cards.
PCIE6 (PCIE 3.0 x16 slot, from CPU 1) is used for PCI Express x8 lane width cards.
PCIE7 (PCIE 3.0 x16 slot, from CPU 1) is used for PCI Express x16 lane width cards.
Slot Generation
PCIE 7 3.0
PCIE 6 3.0
PCIE 5 3.0
PCIE 4 3.0
PCIE 3 3.0
PCIE 2 3.0
PCIE 1 3.0
PCI Express Slot Coniguration
Single PCIE Card
Two PCIE Cards
Single PCIE Card
Two PCIE Cards
Mechanical Electrical
x16 x16
x16 x8
x16 x16
x16 x8
x16 x16
x16 x8
x16 x16
PCIE 7
x16
x8
PCIE 3
x16
x8
EP2C612 WS
Source
CPU 1
CPU 1
CPU 1
CPU 2
CPU 2
CPU 1
CPU 2
PCIE 6
x0
x8
PCIE 4
x0
x8
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