This card features a shorter but taller PCB that should be within the 180 mm length limit for small form-factor builds like the Intel NUC 9 kits. It features only an 8-pin power connector, yet it can still be overclocked above the reference clocks on the Founders' Edition model.
https://www.notebookcheck.net/Asus-launches-the-Dual-GeForce-RTX-3060-Ti-Mini-OC-Edition-one-of-the-smallest-Nvidia-Ampere-based-cards-around-designed-for-mini-ITX-builds.508834.0.html