Thanks OP https://www.amazon.com/HP-Common-Platinum-Supply-684532-B21/dp/B00CSH1FP2/ref=sr_1_3?ie=UTF8&qid=1529937219&sr=8-3&keywords=684532-B21 is this what youre trying to buy? Aside from these two do you have a list of complete psu combo youre trying to buy? I might expand my rigs too