Name: ASROCK Fatal1ty X99 Professional Series
Brand: ASROCK
Rating: 5 (1 reviews)

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Fatal1ty X99 Professional Series

2.4 Expansion Slots (PCI Express Slots)

ere are 5 PCI Express slots and 1 mini-PCI Express slot on the motherboard.

mini-PCIe slots:

MINI_PCIE1 (mini-PCIe slot) is used for WiFi module.

PCIe slots:

PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.

PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.

PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width cards, such as

underbolt™ add-in card.

PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.

PCIE5 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.

PCIe Slot Congurations (For CPU with 40 PCIe lanes)

PCIE1 PCIE2 PCIE3 PCIE4 PCIE5

Single Graphics Card x16 N/A N/A N/A N/A

Two Graphics Cards in

CrossFireX

or SLI

Mode

x16 N/A N/A x16 N/A

ree Graphics Cards in

3-Way CrossFireX

Mode

or 3-Way SLI

Mode

x8 x8 N/A x16 N/A

Four Graphics Cards in

4-Way CrossFireX

Mode

or 4-Way SLI

Mode

x8 x8 N/A x8 x8

For a better thermal environment, please connect a chassis fan to the motherboard’s chas-

sis fan connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using multiple graphics

cards.

Before installing an expansion card, please make sure that the power supply is switched o

or the power cord is unplugged. Please read the documentation of the expansion card and

make necessary hardware settings for the card before you start the installation.

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ASROCK Fatal1ty X99 Professional Series Specifications

General