A card connector for accommodating either of a first card and a second card with the different size from the first card, includes: contacts including first contacts for the first card and second contacts for the second card; a partition plate which partitions a card accommodation space up and down; and an eject mechanism including an eject member which slides in the card connector in a front-back direction, a card contacting member coupled to the ejected member and having a first card pressing surface that abuts on the first card, and a movable metal member attached to the card contacting member and having a second card pressing surface that abuts on the second card and that is moved between a first position and a second position.