Here is the Maintenance and Service Guide for the workstation.
I contacted StarTech to see if they would have a "Y" adapter that had two 8-pin power connectors. However, the ones they have would require the following on your motherboard or PSU:
Brandon from StarTech: Basically we need 4 of either SATA power or LP4 molex.
I believe that your PSU has enough wattage, but simply doesn't have the required connectors. At least, I didn't see them on the motherboard diagram. It appears that you will have to upgrade the PSU.
Please click the Thumbs up + button if I have helped you and click Accept as Solution if your problem is solved.
