Pci_E1~5: Pcie Expansion Slots; Pcie Bandwidth Table - MSI X99S GAMING 9 AC Guide Rapide

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

PCI_E1~5: 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 40 28
Type
lanes lanes
3.0 3.0
PCI_E1
x16 x16
PCI_E2
PCI_E3
PCI_E4
PCI_E5
M.2
3.0 x4 3.0 x4
SATA
2.0 x2 2.0 x2
Express
* When installing the M.2 PCIe interface module, please set the "M.2 PCH Strap" for [M.2 PCIE] in BIOS.
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.
Bandwidth
2-Way
40 28 40
lanes lanes lanes
3.0 3.0
3.0 x16
x16 x16
3.0
3.0 x8 3.0 x16
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 40
lanes 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