MSI C847MS-E33 Series Manual page 23

pCie (peripheral Component interconnect Express) Slot
the pCie slot supports the pCie interface expansion card.
pCi (peripheral Component interconnect) Slot
the pCi slot supports additional LAN, SCSi, uSB, and other add-on cards that
comply with pCi specifications.
iMportANt
When adding or removing expansion cards, always turn off the power supply and
unplug the power supply power cable from the power outlet. read the expansion
card's documentation to check for any necessary additional hardware or software
changes.
the pCie x6 slot
the pCie x slot
MS-7835
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