Install a PCle Add-in Card
HD6500 provides four PCIe slot for optional add-in card expansion, allowing network interface card to be installed.
To install network interface card
1 Follow step 1 and 2 of the "To install the memory module" section to shut down your Synology NAS,
disconnect the cables and remove the top cover.
2 Remove the screw that secures the expansion slot's cover. Remove the cover from the expansion slot.
3 Install the network interface card:
1 Align the card's connector with the expansion slot and insert the card into the slot.
2 Fasten the screw that you removed in step 2 to secure the newly inserted card in place.
21 Chapter 2: Hardware Setup