High-end materials like magnesium alloy, copper and steel provide a premium, lightweight and performance-driven gaming experience with iconic AlienFX lighting Our fastest panel yet offers 300Hz 300nits 3ms Full HD for smooth, high-speed motion graphics Alienware Cryo-Tech optimizes component cooling, which maximizes overall performance and keeps your laptop cool to the touch FHD display with 3ms response time, 100,000:1 contrast ratio, 60Hz refresh rate and 300-nit brightness for pulse-racing gameplay At just 4.65lb and under 20.5mm, the new Alienware m15 is the thinnest laptop in Alienware history—even lighter and leaner than our previous m15