The IN WIN Commander II 1200W Power Supply ensures enough power for both now and later. The Commander II 1200W offers excellent reliability with a 80 Bronze Plus certification and an efficiency up to 85%. Features include high efficiency voltage transfer technology of double forward circuit design, Japanese industrial grade electrolytic and solid state capacitors, steady 12V DC to DC VRM output design, and full industrial grade protectors (OCP, OVP, OPP, UVP, SCP). The Commander II comes with a semi modular design for good cable management and can support up to 8(6+2) PCI-E connectors for multi-GPU systems. For cooling there is a 13.5cm double ball bearing fan that offers low acoustics and high quality."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips