4 expansion slots (pci and pci express slots), English – ASRock Q87M vPro User Manual
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2.4 Expansion Slots (PCI and PCI Express Slots)
There is 3 PCI Express slots and 1 PCI slot on this motherboard.
PCI slot:
The PCI1 is used to install expansion cards that have 32-bit PCI interface.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 and 3 (PCIe 2.0 x1 slot) are used for PCI Express x1 lane width cards.
Before installing an expansion card, please make sure that the power supply is switched off
or the power cord is unplugged. Please read the documentation of the expansion card and
make necessary hardware settings for the card before you start the installation.
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