ASROCK H610M-ITX/eDP Manual page 25

2.4 Expansion Slots (PCIe Slot)
There is 1 PCIe 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:
PCIE1 (PCIe 4.0 x16 slot) is used for PCIe x16 lane width graphics cards.
H610M-ITX/eDP
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