Posted 20 July 2015 - 03:49 PM
G'day Sodicka, if those three Corsair power supply are the only option you can select from, then the CS650 would be the best option as it can provide more then enough power without going overboard and is gold efficiency. Although, if you can get the RM550 from the other supplier, then that would be the best choice.
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+ System2: Late 2011 Macbook Pro 15inch