A:AnswerCoil whine is typically covered under the manufacturer warranty, I wouldn’t worry that it’ll explode, but you can call Corsair and request an RMA and they’ll send you a new unit
A:Answeras far as im concern no rails but this power supply on its own is a great power supply dont draw out to much power tho because overlocking can will shut down your pc its held by 4 nails
A:AnswerHi,
Based on your specifications, yes, this PSU will work without any issue as it provides sufficient wattage and connectors. If you have any additional questions, we'd be happy to assist: help.corsair.com
-Albert
A:AnswerYes.... Power supplies are typically very standard. There's only a few times and different exceptions to that rule, but any custom build computer will take the standard power supplies including this one
A:AnswerHi,
This PSU's dimensions are 140mm(L) x 150mm(W) x 86mm (H). If you have any additional questions, we'd be happy to assist: help.corsair.com
-Albert