There are rarely cases out there that leave very little to be desired, and the Lian Li O11 Dynamic XL certainly tops that list. It may clock in at a bit more than other cases, but even looking at it hard and long, I can't find any major fault with it. On one hand, Lian Li has done an excellent job in designing it to look like a larger version of the original O11 Dynamic. On the other hand, the XL also offers a long list of improvements and functional additions which were not present in the original.

On the outside, you now have a fully featured set of I/O with four USB 3.0, a USB Type-C, and audio plugs, but Lian Li also embedded an RGB controller that may be controlled by the motherboard or with the built-in buttons. Thankfully, the RGB strip sandwiched between the glass and aluminium parts of the front is just as delicately designed and placed as the rest of the chassis.

On the inside, you may throw some serious cooling power together because of the three mounting possibilities for liquid cooling. Lian Li even went the extra mile and enlisted EKWB to build a custom distro plate for custom loops. In addition, they also offer the ability to install EBB boards and vertical GPUs with optionally available hardware for the more extreme builds. However, the additions don't stop there. Sure, one may expect more storage capabilities with a case that carries the XL moniker, but Lian Li has also added hot-swap to the two 3.5" hard-drive cages, which was sorely missing with the original O11 Dynamic.

Maybe, if I get to be super picky, one could argue that the Lian Li O11 Dynamic XL is overkill for air-cooling enthusiasts, even if you are able to mount bulky CPU coolers of up to 167 mm in height within the chassis. But then again Lian Li may end up releasing an "Air" variant just like they did with the original.