4. Holding the adapter card from its center, gently pull the ConnectX-6 and Auxiliary
Connections cards out of the PCI Express slot.
Socket Direct (2x PCIe x16) Cards Installation
Instructions
The hardware installation section uses the terminology of white and black harnesses to differentiate
between the two supplied cables. Due to supply chain variations, some cards may be supplied with
two black harnesses instead. To clarify the difference between these two harnesses, one black
harness was marked with a “WHITE” label and the other with a “BLACK” label.