clarification on Gold Fingers: Yes (45° chamfered border)

[Tom-Neverwinter]

Gold Fingers: Yes (45° chamfered border)

There are a lot of options under this and want to make sure I select the correct items.

edge connector [Yes]
chamfering [Yes] (45°)

[HASL with lead]
[HASL lead free]
[Immersion gold(ENIG)] assumed this is the choice to pick
[OSP]
[Hard gold] assuming this is also acceptable
[Immersion silver(Ag)]
[Immersion tin]
[ENEPIG] maybe? no experience on this option
[None(Plain copper)]

edit edge connector thickness: 1u/2u/3u