See the info at the attached screenshot and you will see where I am coming from, you will know the present PSUs power connections whereas I do not and is the reason that I wanted to make sure you had all the information that you need to know, I have never owned a Hyper PSU so cannot speak from experience regarding the brand I have however used Corsair PSUs for a while and never had any problems with any and so is the reason for my preference.
I mentioned the continuous 80% output performance because of the high demands graphic intensive games and cards place on the PSU which if using one not up to the task is the first component to fail and quite often take the rest of the system with it.
As I said in post #2
things that will determine whether the PSU needs to be changed are the amount of amps that the card requires on the 12V rails and the number of 6 or 8 pin pci-e connections required.
My advice is to check that the present PSU can meet the requirements as listed below.