The Dyconn S532HDB0 provides convenience when none exists in your current computer tower and easily provides a solution for mounting 2.5/3.5" hard drives or SSD drives into a 5.25" storage slot. Simply mount the 2.5/3.5" hard/SSD drive to the center of the adapter and them mount the adapter as your would any 5.25" optical drive by mounting the sides into the storage slot.