Hardcore gaming: Alienware is known chiefly for its high-end desktop monitors, laptops, and gaming PCs. Dell's computer hardware subsidiary showcased its newest keyboard and mouse, designed with input ...

LAS VEGAS—Sure, CES is best known as a geyser of headline-grabbing mobile gear, giant TVs, and hordes of robots. But some of the show’s most meaningful innovation happens under the radar—and closer to ...