User Guide
1-10
Chapter 1: Product Introduction
Chapter 1
• We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode.
• Connect a chassis fan to the motherboard connector labeled CHA FAN 1-3 when
using multiple graphics cards for better thermal environment.
40-LANE CPU
PCI Express 3.0 operating mode
VGA
conguration
PCIe 3.0/2.0
x16_1
PCIe 3.0/2.0
x16_2
PCIe 3.0/2.0
x16_3
Single VGA/PCIe
card
x16 N/A N/A
Dual VGA/PCIe
cards
x16 x16 N/A
Triple VGA/PCIe
cards
x16 x16 x8
28-LANE CPU
PCI Express 3.0 operating mode
VGA
conguration
PCIe 3.0/2.0
x16_1
PCIe 3.0/2.0
x16_2
PCIe 3.0/2.0
x16_3
Single VGA/PCIe
card
x16 N/A N/A
Dual VGA/PCIe
cards
x16 x8 N/A
Quintuple VGA/
PCIe cards
x16 x8 x4
40-LANE CPU VGA conguration
28-LANE CPU VGA conguration