Powerful systems need powerful solutions. Thatâs why SilverStone created its new OP1000-Evolution power supply â specially designed for heavy-duty server and workstation use. The SilverStone OP1000-Evolution provides reliable power thatâs far beyond the conventional restrictions that hamper the performance of the average power supply. In fact, the OP1000-Evolution is built to withstand the enormous loading requirements of sophisticated industrial server PCs at high temperatures of up to 50-degrees centigrade. This power supply features class-leading single +12V rail with 90A, low ripple & noise with ±3% voltage regulation, greater than 80% efficiency, and a silent running 120mm fan. The SilverStone OP1000-Evolution also features six (6) PCI-E 6-pin, and dual PCI-E 8-pin connectors. For power beyond conventional restrictions, choose the SilverStone OP1000-Evolution for your extreme server or workstation.