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Title: LOUD so you know it's elite
Review: Compared to the other quiet keys (and nearly all keyboards), the space key (which is obviously used very frequently) is incredibly clacky. I've found this to be true on multiple MS natural 4000 keyboards in our IT dept. It's a design flaw, and makes the keyboard wholly unusable. I don't want to type on a typewriter all day, and that's what it sounds like.
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