The phrase "powerful rig" refers to a computer or machine that is very strong and capable of handling difficult tasks or performing complex operations quickly and efficiently. Full definition
This doesn't mean that you can't edit video, but rendering times will be longer than if you had a more powerful rig. (neowin.net)
Whether you own the most powerful rig on the market or an old clunker that's just chugging along, Microsoft wants its games to be available to you and is working with studios to make it so. (tomsguide.com)
These are powerful rigs from tried and true gaming manufacturers, and they've never failed to win us over. (digitaltrends.com)