Dell Technologies Inc.’s Alienware brand has been flexing its muscles at the CES electronics show in Las Vegas today, unveiling three new gaming laptops alongside a traditional tower personal computer powered by Nvidia Corp.’s most advanced gaming processor.

The best Alienware gaming PCs stand out for their unique style and unparalleled performance. But that’s not just because Alienware is one of Dell’s best line of products yet. The computer manufacturer carefully assembles the best available components ...