ASROCK Fatal1ty X99X Killer Series Manual

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2.4 Expansion Slots (PCI Express Slots)
ere are 5 PCI Express slots and 1 mini-PCI Express slot on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE5 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
* If M.2 PCI Express module is installed, PCIE5 will be disabled.
mini-PCIe slot:
MINI_PCIE1 (mini-PCIe slot) is used for WiFi module.
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
TM
or SLI
TM
Mode
x16 N/A x16 N/A N/A
ree Graphics Cards in
3-Way CrossFireX
TM
Mode
or 3-Way SLI
TM
Mode
x16 N/A x16 N/A x8
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.

ASROCK Fatal1ty X99X Killer Series Specifications

General

Chipset	Intel X99
CPU Socket	LGA 2011-v3
Max Memory	128GB
Form Factor	ATX
Memory Slots	8 x DIMM
Expansion Slots	3 x PCIe 3.0 x16, 2 x PCIe 2.0 x1
Multi-GPU Support	AMD 3-Way CrossFireX, NVIDIA Quad SLI
Storage Interface	10 x SATA3
USB Ports	4 x USB 3.0 ports (2 on the rear panel, 2 via header), 8 x USB 2.0 ports (4 on the rear panel, 4 via header)
Audio	Realtek ALC1150 Audio Codec
LAN	Killer E2200 Series Gigabit LAN
Memory Support	DDR4 2800(OC)/2400(OC)/2133