Pci_E1~6: Pcie Expansion Slots; Pcie Bandwidth Table - MSI X99A XPOWER AC Guide Rapide

Expansion Slots
This motherboard contains numerous slots for expansion cards, such as discrete
graphics or audio cards.

PCI_E1~6: PCIe Expansion Slots

The PCIe slot supports the PCIe interface expansion card.

PCIe Bandwidth Table

■ 3.0 = PCIe Gen 3.0 lanes, 2.0 = PCIe Gen 2.0 lanes
1-Way
CPU Type 40 lanes 28 lanes 40 lanes 28 lanes
PCI_E1
3.0 x16 3.0 x16 3.0 x16 3.0 x16
PCI_E2
PCI_E3
PCI_E4
PCI_E6
M.2
3.0 x4 3.0 x4
SATA
2.0 x2 2.0 x2
Express
Important
• 28 lanes CPU does not support 4-Way NVIDIA
• For a single PCIe x16 expansion card installation with optimum performance, using
the PCI_E1 slot is recommended.
• When adding or removing expansion cards, always turn off the power supply and
unplug the power supply power cable from the power outlet. Read the expansion
card's documentation to check for any necessary additional hardware or software
changes.
PCIe 2.0 x1 Slot
Bandwidth
2-Way
40 lanes
3.0 x16
3.0 x16 3.0 x8 3.0 x16
3.0 x8
3.0 x4 3.0 x4 2.0 x2
2.0 x2 2.0 x2
En-19
PCIe 3.0 x16 Slot
3-Way
28 lanes 40 lanes
3.0 x8 3.0 x8
3.0 x8 3.0 x8
3.0 x8 3.0 x16
3.0 x8
3.0 x4 2.0 x2
2.0 x2 2.0 x2
SLI Technology.
® ™
4-Way
28 lanes
3.0 x8
3.0 x8
3.0 x8
3.0 x4
2.0 x2
2.0 x2 2.0 x2