Hello, Im just upgrading my Pc parts in my Thermaltake kandaff case which consists of. New mobo: Sabertooth Z77 memory: Corsair Dominator Platinum 4x4gb 1866mhz CPU: i7 3770k 3.5ghz GPU: keeping the same GPU's in SLI, Geforce GTS8800 512mb PSU: Antec 850W SSD: OCZ vertex 4 128gb Water Cooling: Thermaltake Bigwater 760 I have 2 other older HDD in there as well think they are WD 500gb. Just wondering mainly if they are all compatible with each other on the new mobo. And if i have enough power with the PSU i have.