The Rosewill RK-9000 and all of its variants are designed to be great keyboards without any bells or whistles. You are paying for solidly built full keyboards with mechanical switches under every key. You will not get backlighting. You will not get media keys. You will not get macro functions. That is not the point of these keyboards. When compared with the original RK-9000, it is clear that Rosewill has attempted to fix whatever customers have complained about in very loud ways. Missing a PS/2 adaptor? Toss in a whole cable. Want more than one switch to choose from? Here are four! Their design is clearly based predominantly on customer feedback, which is great."
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