Version: ATX 12V V.2.31 With 20+4 pin, and 4*big 4pin, one small 4pin, 2 *SATA High efficiency Low ripple & noise 1. 12cm big fan that can cool the case and have Mute function2. Version ATX 12V V.2.313. With 20+4 pin, and 4*big 4pin, one small 4pin, 2 *SATA4. High efficiency Low ripple & noise5. Thunder protected design6. The PFC option7. New circuit designation of power saving, stand -by power ...