Video surveillance on raspberry pi 4b system composition?

Question

Video

Good afternoon experts.
Need help finding a solution.
Task:
Build a small PC on a raspberry pi 4b board that includes a 128 GB SDD, a 4 channel POE board, a 12-36V power board, a GPS module.
If you give advice - thank you, and if you are from the Moscow region, then I am ready to discuss with you the implementation of the project for a "donate"

Answer 1

here is the guide