Abstract: A retention mechanism is provided for retaining graphics add-in cards in an information handling system. The retention mechanism includes a mount and a retention bracket. The mount is affixed to the information handling system and includes mounting locations. The retention bracket is configured to be affixed to a particular one of the mounting locations and includes an adjustable filler device. The filler device is configured to secure a first graphics add-in card having a first width with the filler device located in a first position, and to secure a second graphics add-in card having a second width that is wider than the first width with the filler device located in a second position.