Abstract: A divider for a bay of a blade server chassis includes a plurality of posts, a plurality of flex tabs, and a rail. The posts are located along a first side of the divider, and are configured to be inserted within respective holes in a first panel of the bay of the blade server chassis. The flex tabs are located along a second side of the divider, and are placed in physical communication with a second panel of the bay. The flex tabs are configured compress within the divider and away from the second panel to enable the posts to be inserted in the holes of the first panel, the second side of the divider being opposite to the first side of the divider. The rail is located along a third side of the divider, and is configured to guide a blade server within the bay.