Zagall 5.25" Metal Tray for 2.5", 3.5" HDD/Slim DVD This drive bay mounting bracket has 3 combinations to fit HDD/Slim DVD into a 5.25" drive bay Maximize the internal space of your computer case for efficient usage Work with 3.5" & 2.5" Hard drive and Slim drives Different size screws included for mounting the bracket into the PC case