The power supply has been charged with two GTX 570 (SLI) graphics cards and a Core2Quad (Q9550) CPU. According to measurements, the system has received a power of 594 W (peak). Approximately 2 hours could operate this system stable the power supply, which was to determine from the outset a distinct odor. After 2.5 hours, the computer crashed and could no longer be started. Only after replacement of the power supply of the computer running properly again.
Conclusion: For high performance absolutely not recommended. Generally, Chinese brands in this price range tend to exaggerate when it comes to performance. I suspect also an efficiency around 70%. That is certainly not very conducive to the smallest possible energy bill.