Expansion Slots; Pci_E1~6: Pcie Expansion Slots; Pcie Bandwidth Table - MSI X99S MPOWER Manual

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
40
CPU Type
lanes
PCI_E1
3.0 x16
PCI_E3
PCI_E5
PCI_E6
M.2
3.0 x4
SATA Express
2.0 x2
* When installing the M.2 PCIe interface module, please set the "M.2 PCH Strap" for [M.2 PCIE] in BIOS.
Important
• 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
1-Way 2-Way
28 40
lanes lanes
3.0 x16 3.0 x16
3.0 x16
3.0 x4 3.0 x4
2.0 x2 2.0 x2
1-21
PCIe 3.0 x16 Slot
Bandwidth
28 40
lanes lanes
3.0 x16 3.0 x16
3.0 x8 3.0 x16
3.0 x8
3.0 x4 2.0 x2
2.0 x2
3-Way
28
lanes
3.0 x8
3.0 x8
3.0 x8
3.0 x4
2.0 x2 2.0 x2
Getting Started