ASROCK H510M-HDV Instruction Manual page 19

2.4 Expansion Slots (PCI Express Slots)
There are 2 PCI Express slots slot on the motherboard.
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.
PCIe slots:
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11 Gen Intel® Core Processors:
PCIE1 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 4.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
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10 Gen Intel® Core Processors:
PCIE1 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
H510M-HDV
H510M-HVS
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