Source: https://www.reddit.com/r/pcmasterrace/wiki/protips
I would go with this - Seasonic S12II Bronze Power Supply - 620W . It's in the tier 1 list. Keep in mind that the cables are a bit shorter for my CM690III case (if routing all of them behind the mobo tray). That's why I went with a Superflower (HX) 750W Gold 80Plus Semi modular PSU (Wootware used to have it in stock). It comes with 2 x 8(+2) PCI-e cables and is 100% Haswell compatible.
Awesome thanks