So ... I might need to replace the switch, what's the current recommendation?
Requirements: Fanless (it's in the study wardrobe), at least 4x SFP+ possibly extra 10GBe RJ45 (all able to do 1, 2.5, 5, 10GB), at least 12x 1GBe RJ45 ... rack mount ... management is not essential, can be dumb...