This Syba 5.25" bay adapter for slim optical drive and tray less caddy for 2.5" SATA III HDD/SDD with 2 USB 3.0 port offers multi-purpose functionality, able to mount any slim IDE CD/DVD drive in a standard 5.25" drive bay of your computer and house a 2.5" SATA III HDD or SSD. This adapter also includes two USB 3.0 port in the front face which a 19 pin USB 3.0 pin connector to be attached to the USB 3.0 header on the motherboard.