User Guide

1-10
Chapter 1: Product Introduction
Chapter 1
We recommend that you provide sufcient power when running CrossFireX™ or SLI
®
mode.
Connect a chassis fan to the motherboard connector labeled CHA_FAN1-4 when
using multiple graphics cards for better thermal environment.
We recommend you connect an EATX 12V1 cable when running CrossFireX™ and
SLI
®
.
Slot
No.
PCI Express 3.0 operating mode
Single VGA SLI CrossFireX
3-WAY SLI
CrossFireX
4-WAY SLI
CrossFireX
1
x16
(single VGA
recommended)
x16 x8 x8
2 - - x8 x8
4
- x16
(dual VGA
recommended)
x16 x8
5 - - - x8