Asus X99-A II User Manual page 24

40-LANE CPU
VGA
configuration
Single VGA/
PCIe card
Dual VGA/PCIe
cards
Triple VGA/
PCIe cards
28-LANE CPU
VGA configuration
Single VGA/PCIe card
Dual VGA/PCIe cards
Triple VGA/PCIe cards
•
•
1-8
PCI Express 3.0 operating mode
PCIe 3.0/2.0 x16_1
x16 (single VGA
recommended)
x16
x8
PCIe 3.0/2.0 x16_1
x16 (single VGA
recommended)
x16
x8
We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode.
Connect a chassis fan to the motherboard connector labeled CHA_FAN1-2 when
using multiple graphics cards for better thermal environment.
PCIe 3.0/2.0 x16_3
N/A
x16
x16
PCI Express 3.0 operating mode
PCIe 3.0/2.0 x16_3
N/A
x8
x8
Chapter 1: Product Introduction
PCIe 3.0/2.0 x16_4
N/A
N/A
x8
PCIe 3.0/2.0 x16_4
N/A
N/A
x8