Expansion Slots (Pci And Pci Express Slots) - ASROCK Fatal1ty X79 Champion series User Manual

2.6 Expansion Slots (PCI and PCI Express Slots)

There are 7 PCI Express slots on this motherboard.
PCIE slots:PCIE1 / PCIE3 / PCIE4 / PCIE5 /PCIE7 (PCIE 3.0 x16 slots) are used
for PCI Express graphics cards.
PCIE2 / PCIE6 (PCIE2.0 x1 slots) are used for PCI Express cards with
x1 lane width. Such as Gigabit LAN card or SATA2 cards, etc.
Two Graphics Cards in
TM TM
CrossFireX or SLI
Three Graphics Cards in
TM
3-Way CrossFireX
TM
3-Way SLI Mode
Four Graphics Cards in
TM
4-Way CrossFireX
TM
4-Way SLI Mode
1. In single VGA card mode, it is recommended to install a PCI Express
x16 graphics card in the PCIE1 slot.
2. In CrossFireX
x16 graphics cards in PCIE1 and PCIE5 slots. Both these two slots
will work at x16 bandwidth.
3. In 3-Way CrossFireX
Express x16 graphics cards in PCIE1, PCIE3 and PCIE5 slots. PCIE1
and PCIE5 will work at x16 bandwidth, while PCIE3 works at x8
bandwidth. Or install the PCI Express x16 graphics cards in PCIE1,
PCIE4 and PCIE7 slots. PCIE1 will work at x16 bandwidth, while
PCIE4 and PCIE7 works at x8 bandwidth.
4. In 4-Way CrossFireX
Express x16 graphics cards in PCIE1, PCIE3, PCIE5 and PCIE7
slots. PCIE1 will work at x16 bandwidth, while PCIE3, PCIE5 and
PCIE7 works at x8 bandwidth.
5. Please connect a chassis fan to the motherboard's chassis fan
connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using
multiple graphics cards for better thermal environment.
6. Currently Intel
support PCIE 3.0, but this motherboard is already PCIE 3.0 hardware
ready. It depends on Intel's CPU to enable PCIE 3.0. Please check
Intel's website for information on future CPU updates and releases.
PCIE Slot Configurations
PCIE1
x16
Mode
x16
or x16
x16
or
TM
mode or SLI
TM
or 3-Way SLI
TM
or 4-Way SLI
®
Socket 2011 Sandy Bridge-E Processors don't
23
PCIE3 PCIE4
N/A N/A
x8 N/A
N/A x8
x8 N/A
TM
mode, please install the PCI Express
TM
mode, please install the PCI
TM
mode, please install the PCI
PCIE5 PCIE7
x16 N/A
x16 N/A
N/A x8
x8 x8