Was genau ist der Unterschied zu diesem "be quiet! Straight Power 11 (850 W)"?
https://www.digitec.ch/de/s1/product/be-quiet-straight-power-11-850-w-pc-netzteil-12734075?supplier=406802
The difference is the 80 PLUS certificate, i.e. the efficiency of the power supply. The cheaper one has Gold, the more expensive one has Platinum level.