Bought the same model to replace the previous generation. Supposed to consume less and be green, it overheated and burned out. The new works fine but my old Synology NAS CS-406 no longer appears on the network when connected to this new switch (no worries with the old, when he walked). In short, I think we probably pays the price more expensive than green button energy saving (lost on the precedent that was really hot). Finally, the design is not ugly but less practical than its predecessor, more square, which had the advantage of stack tower (s).
