The 2166570109 from Molex is a 10-position plug connector with outer shroud contacts for surface mounting and gold plating, specified as 0.4 (BT, H07, EMB PKG).
The Molex 5015911211 is a 12-position surface-mount board-to-board receptacle connector with center strip contacts. It has two rows on a 0.40mm pitch, a gold contact finish 0.100µm thick, and stands 0.88mm above the board.