Expansion Slots (Pci And Pci Express Slots) - ASROCK RACK EP2C612D16C-4L User Manual

2.6 Expansion Slots (PCI and PCI Express Slots)

here are 5 PCI Express slots on this motherboard.
PCIE slot:
PCIE3 (PCIE 3.0 x8 slot, from CPU 1) is used for PCI Express x8 lane width graphics cards.
PCIE1 (PCIE 3.0 x8 slot, from CPU 2) is used for PCI Express x8 lane width graphics cards.
PCIE4 and PCIE6 (PCIE 3.0 x16 slot, from CPU 1) are used for PCI Express x16 lane width
graphics cards.
PCIE2 (PCIE 3.0 x16 slot, from CPU 2) is used for PCI Express x16 lane width graphics
cards.
Slot Generation
PCIE 6 3.0
PCIE 4 3.0
PCIE 3 3.0
PCIE 2 3.0
PCIE 1 3.0
PCI Express Slot Coniguration
Single Graphics Card
Two Graphics Cards
Single Graphics Card
Two Graphics Cards
Mechnical
x16
x16
x8
x16
x8
PCIE 1
No. PCIE 3
EP2C612D16C-4L
Eletrical Source
x16 CPU 1
x16 CPU 1
x8 CPU 1
x16 CPU 2
x8 CPU 2
PCIE 2
x16
x8 x8
PCIE 4
x16
x8 x8
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