40-LANE CPU

PCI Express 3.0 operating mode

VGA

 

 

 

PCIe 3.0/2.0 x16_1

PCIe 3.0/2.0 x16_3

PCIe 3.0/2.0 x16_4

configuration

 

 

 

Single VGA/

x16 (single VGA

N/A

N/A

PCIe card

recommended)

 

 

 

 

 

 

Dual VGA/PCIe

x16

x16

N/A

cards

 

 

 

 

 

 

 

Triple VGA/

x16

x16

x8*

PCIe cards

 

 

 

 

 

 

 

* When the M.2 x4 slot is occupied, the PCIe x16_4 slot will be disabled.

28-LANE CPU

PCI Express 3.0 operating mode

 

 

 

 

VGA configuration

PCIe 3.0/2.0 x16_1

PCIe 3.0/2.0 x16_3

PCIe 3.0/2.0 x16_4

 

 

 

 

Single VGA/PCIe card

x16 (single VGA

N/A

N/A

recommended)

 

 

 

Dual VGA/PCIe cards

x16

x8

N/A

Triple VGA/PCIe cards

x16

x8

x4*

• *The 3-Way SLI™ configuration is not supported when using a 28-LANE CPU.

• *When the M.2 x4 slot is occupied, the PCIe x16_4 slot will be disabled.

• We recommend that you provide sufficient 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.

1 Chapter

1-14

Chapter 1: Product introduction