Alienware has always been a notable name for PC gamers, even before Dell bought the company to turn it into its high-end gaming brand almost 20 years ago. But in all that time, I don’t think they’ve seriously competed with the likes of Razer or Corsair for the gaming keyboard market. Sure, they make keyboards, but it’s just the stuff you get when you buy an Alienware desktop. The company hopes to change that perception with the Pro Wireless keyboard, a high-end mechanical design that incorporates some of the hottest features of custom designs. The Pro Wireless uses the popular 75 percent layou…