Multi-in-one card connector that allows insertion of only one single card at a time

A multi-in-one card connector comprising:

• a base frame being electrically insulative, said base frame comprising a bottom panel, two upright sidewalls vertically upwardly extending from two opposite lateral sides of said bottom panel and defining with said bottom panel a front insertion opening, at least one guide groove formed on a front side of at least one of said two upright sidewalls;
• and
• a plurality of terminal sets respectively mounted inside said base frame at different locations for the contact of different memory cards;
• wherein the multi-in-one card connector further comprises:
• at least one limiter block mounted in and vertically movable along said at least one guide groove, said at least one limiter block each comprising a top stop flange and a bottom stop flange respectively extending from a top side and bottom side thereof toward the inside of said base frame, at least one of said top stop flange and said bottom stop flange suspending in said front insertion opening;
• and
• at least one elastic member connected between said base frame and said at least one limiter block to support said at least one limiter block in a predetermined position.