https://wccftech.com/quantum-break-xbox-one-x-update-size/

Free up your drive space as the Quantum Break Xbox One X update weighs in at a hefty 94.7GB.

The download size for the game’s Xbox One X enhancements patch surfaced on the Xbox One subreddit. Once installed, the game is said to take up 102.6GB of storage space on your Xbox One X console. If you’re also looking to download to game’s TV show – you’ll need an additional 75.6GB of free space. In total, around 178.1GB of HDD space is needed for the Xbox One X enhanced game and TV show.