As long as it has enough watts, I'm sure it's fine. I know alot of people would disagree with me, but in my experience, a power supply is a power supply. I've always bought the cheap ones, and I've never once had a problem with one.
The Corsair Builder Series CX600 V2 (SKU# CMPSU-600CXV2) is the recently discontinued model.
It's been replaced by the new Corsair Builder Series CX600 (SKU# 75-001668 / CP-9020048) model that has an additional six more Amps on the +12V rail. It is more efficient than the old model but that doesn't mean it's more reliable.