Features:

SU303 2.5" to 3.5" All-Aluminum Hard Disk Rack (Floppy Drive 4 Positions Design)
Formed by the precision mold stamping, the hard disk rack features good consistency and easy installation. 
Compatible with SSDs and ordinary hard disks
Compatible with SATA and IDE interfaces
The hole position is exactly the same as that of the 3.5" hard disk. As long as the position can hold the 3.5" hard disk, the rack can be inserted. 
It can perfectly support both the common computer case and the screw-less computer case. 
Made of the about 2mm/0.08'' thick aluminum alloy, it's hard to deform and quick to dissipate the heat and provides the maximum protection for your hard drive. 
Supports 4 PCS 2.5" hard disks, with shock-resistant gaskets design