@[email protected] the new m2 hat+ from raspberry pi is suppose to fit in the official case. See the comments in the article. You will need to remove the fan that comes with it. It also only takes the shorter ssd
https://www.raspberrypi.com/news/m-2-hat-on-sale-now-for-12/
https://www.raspberrypi.com/news/m-2-hat-on-sale-now-for-12/