In Win CB-1250W, Material SECC, Type ATX12V V2.4 / EPS12V V2.92, Cable Management Fully Modular, PFC Active PFC ( >0.9), Efficiency 80 PLUS Platinum, MTBF (Hours) >100,000 hrs, AC Input 100 – 240Vac. 50-60Hz.. The CB Series delivers up to 92% conversion efficiency. This power supply with a new circuit design is able to maintain consistent conversion efficiency even under low loading conditions.