https://www.theverge.com/circuitbreaker/2017/8/30/16224916/acer-ifa-2017-predator-orion-9000-wheels

Today at IFA, Acer announced a bunch of computers, including some new additions to its gaming-focused Predator line. Their unveiling was the usual parade of water-cooled rigs, neon lighting, and pumped-up graphics cards, but there was one feature that stood out on the company’s new Predator Orion 9000 PC: a pair of wheels.

“I don’t know if you noticed in the video, but we’ve actually put wheels on this one!” said Acer exec Steven Funcke on stage. “So even though this is a very big chassis, it’s even going to be a little bit portable for you.” You can see the wheels for yourself in the teaser video above, or in the full unveiling below, starting at 44 minutes in for the Orion 9000: