I checked 2 power supplies inhouse.
The power supply side is (where S is square; and B is "barn-shaped"):
But the W9000 is
Is this just a matter of finding the right molex connector and rewiring the 8-pin end on the power supply side?
I see I can use the PCI-E (6+2) connectors for the 8-pin connector.
But the remaining 6-pin connector is
and the W9000 is