... powerfuland stable20) Supports S-ATA high speed HD21) PFC circuitry power saving design22) PG signal wide voltage design, prevents damaging of ... burn in test (45 ~ 52°C) 24) Super lower noise and ripple design, continuous 60,000 work-hour without interrupt ... , and short, prevents CPU, mother board and hard disk from damaging by unstable voltage 27) Intelligent temperature controlled cooler design ...