Best edge connector for my pcb?

Card Edge Connector Green Centreline Spacing Short Card Slot

These AMP-LATCH headers have a centre polarizing slot and double bar polarization slots for accurate mating with the IDC ribbon cable connector The

pcb slot connector I need to add a slot to a PC board to allow an otherwise unused connector to stick through an overlay PC board I'm creating

error slot Card slot: mm Single-ended and differential pairs Vertical Surface Mount PCB Socket Strips, 100 pitch SSM Series Thumbnail Image TSM