Asus H170-PRO/USB 3.1 H170-PROUSB 31 Users manual English - Page 15

PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. PCI Express 3.0/2.0 x16 slots This motherboard has two PCI Express 3.0/2.0 x16 slots that support PCI Express 3.0/2.0 x16 graphic cards complying with the PCI Express specifications. VGA configuration Single VGA/PCIe card Dual VGA/PCIe cards PCI Express operating mode PCIe 3.0 x16_1 (gray) PCIe 3.0 x16_2 x16 (Recommended for single VGA card) N/A x16 x4 • In single VGA card mode, use the PCIe 3.0 x16_1 slot (gray) for a PCI Express x16 graphics card to get better performance. • We recommend that you provide sufficient power when running CrossFireX™ mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using multiple graphics cards for better thermal environment. PCI Express 3.0/2.0 x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications ASUS H170-PRO/USB 3.1 1-5