Abstract: The memory card holder disclosed is a portable, credit card sized storage device that can be conveniently placed in a wallet, purse or carrying case that includes an outer portion or cover consisting of top, bottom and rear segments, the front and sides of the memory card holder which includes notches of variable sizes to accept different sized memory cards, a core organizer within the interior of the card holder that provides support for the outer portions of the card holder and defines specific apertures to accept a plurality of different sized memory cards, removable sleeves, nesting adapters and mini-wallet inserts that will allow users to configure the storage device to be compatible with their specific needs. The memory card holder can store a plurality of memory cards as many as nineteen in all and provides a secure means to store and protect memory cards.