This product is either discontinued or we cannot get that from suppliers.
Vantec HDA-350P, Black, 2.5" & 3.5" Drives to 1 x 5.25" Bay, Two 2.5” SSD/HDD (7-9.5mm) and One 3.5” Hard Drive /Card reader, Plastic, 5.25” half-height drive bay.
The Multi SSD/HDD to 5.25 Bay Mounting Kit is a well design mounting kit for three devices. It is compact and take up only one 5.25 half height drive bay to accommodate two 2.5 HDD/SSD using Slide& Lock (screw less design).