The Lian Li O11 DXL-2 is an extension bracket made exclusively for the O11 Dynamic XL case. This bracket enables users to mount EEB form factor motherboards, in particular the Asus ROG Dominus Extreme, within the O11 Dynamic XL.As you would expect for a Lian Li product, the build quality for the O11 DXL-2 is excellent. It is made from solid SGCC steel with a thickness of just 1mm. It has a sleek black colour so it will fit seamlessly into your O11 Dynamic XL.Lian Li have also made this bracket is easy to install. It simply attaches to the back of the case alongside the standard E-ATX mounting panel. Once the O11 DXL-2 is firmly attached you can easily mount an EEB motherboard.Make the most of your O11 Dynamic XL and take advantage of a full EEB motherboard with the O11 Dynamic XL.Model: O11DXL-2 (Motherboard Extension Panel For O11Dynamic XL)Colour: BlackDimensions: 55.8mm (L) X 60mm(W) X 473.9 mm (H)Material: 1mm SGCC