As always, it's good to have an extra just in case.
. They were used to power a board with two video monitors. Have 2 as it's always nice to have an extra in case you need it for something bigger. Not a quality cable but good for what I needed.
Pros
PCI Express Power Cable Video card power cable adapter connects a 6-pin connector to a PCIe video card; Use existing Molex power supply with 2 spare power connectors