The ZM1000-ARX comes with an excellent assortment of all-modular, ribbon-style cables with two ATX12V 4+4 pin/EPS 8-pin, and six PCI-E connectors for multiple graphic card support, each on its own cable. However, as we mentioned earlier in the review, pay close attention when plugging the modular cables into the front of the power supply. It’s possible to accidentally insert one of the 6-pin peripheral cables into an 8-pin EPS socket because of the oversized key slot in the chassis. Zalman is aware of the problem and is working to rectify the issue."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips