1: This plastic, floppy-drive adapter bracket lets you install 2.5inch / 3.5inch floppy drives into a 5.25 inch bay. 2: Compatible with standard 5.25inch bay of PC 3: Fits 6 x 2.5inch HDD / SSD or 2 x 2.5 inch HDD / SSD + 1 x 3.5 4: Supports 7mm - 15mm 2.5inch HDD 5: Included mounting screws. Comes with a baffle. Multifunctional combination to improve the use value of PC drive bay