The backlit Alien head logo on the front of the Area-51, along with the A51 embossed on the side panel, leave no doubt as to whether you have an Alienware rig. And as our colleagues at PCMag point ...
There is an anodised grey-coloured metal lid with centrally-aligned Alienware logo (Alien head) that glows. The lid of the Alienware m16 R2 also has the number 16 in a very large font size.