The Matias Quiet keyboard that I have been using for a couple of years recently gave up the ghost. The Enter key broke off and it seemed kind of unreliable in the USB department too – sometimes not activating when attached to a laptop, and sometimes just disappearing. I had got complaints about it being a little noisy still, despite being a lot quieter than a standard ALPS-style Matias keyboard. The replacement I got was a Corsair Strafe RGB Silent. I am rather fond of Corsair keyboards and mice, and this variant sounded promising.
When my old CM Storm mechanical gaming keyboard stopped working a while ago, I looked around for replacement alternatives. I ended up getting the new Corsair K65 RGB LUX narrow keyboard. A while earlier this year, I got a Corsair K70 at work. Thus, I can do a double review on a pair of closely related keyboards, but with different key switches, sizes, and backlighting systems.