Methods, systems, and devices for providing computer implemented services are disclosed. To provide the computer implemented services, the quantity of hardware resources available may be modified. The quantity of hardware resources may be modified by adding removable cards. When the removable card is added, a retention element may be used to secure the removable card in place. The retention element may be adaptable to allow for removable cards of varying topology to be secured. The retention element may secure the removable cards automatically or in response to user intervention.