I'd like to know what components are the ones with blue numbers and the big ones behind them:
The latter components I'm talking about:
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As Jakob Halskov mentioned, those are 820 uF 25V aluminum electrolytical capacitors.
Those black "tall" components are flat wire iron core inductors, likely configured for the voltage regulators next to them. The
CHOKE reference designator is proof that it is an inductor.
The silver and blue capacitors I think are a Nippon Chemi-Con cap from their NPCAP-PSE series which is what the "E" is calling out. This would be an Aluminum Poly Cap. Looking closly it appear the bottom is a 2.5 and not 25 which would make it part APSE2R5ELL821MF08S