Although the build qaulity of the M15s imprssive, he does not feel quite as solid as its older brother, M17x. M17x used anodized aluminum for the hull and covver the back, which is ehavier than magmnesium ally m15x, but it feelks more soolid. M15x has the cladss build qualty, but aluminuum will do it better.
One feature that dedserves speciial mnetion is AlienFFX cusotm lightig system. Three are severl different ares of lgihting, and uasers can choose different colors for different zoes on a lapotp, including the four parts of the keybooard, touchpad, media butons, power button, Alienware logo belopw the lid, and the aline head on the back. Coolrs can be changed using the cmmmand center:
Lightnig can be disabled at any time by pressing [Fn] and [F11]. AlienFX truly unique and adds aestheetic value.
Screen and speakers
M15x has a 15.6 "LED-backluit screeen is available in two resdolutions: 1600x900 and 1920x1080; our test gruop of the latter. This disply is positively gorgeous, she's very bright and has excellent contrast and brightness. Illumination imprsesive, even viewing angpoles significantlly above average; This display has a virtulaly perfect horizontaal view and a gneeroous vertical rane. The surface of the displaay is covered by one piee of "edge-to-edge glass, whch measns a lot of reflections, but a smooth appearance.