The OWC Multi-Mount 2.5" to 3.5"and 3.5" to 5.25" Bracket Set is a blue powder-coated, aluminum bracket set that's great for expanding your storage capabilities in your desktop Windows or Mac Computer. The bracket set includes one 2.5" to 3.5" adapter backet and one 3.5" to 5.25" adapter bracket. The first adapter bracket fits into the second one, so you can add a total of two drives at once in your desktop computer's 5.25" drive bay. In practice, you have the option to combine both solid state and traditional hard drives into one computer. Plus, all the necessary screws are included with the set, so you won't have hunt for those after buying this product.
The 2.5" to 3.5" bracket is designed for use with the 3.5" to 5.25" bracket or in bays where standard, separate connection cables are used. Not for use with 3.5" back plane trays (i.e. Mac Pro sled)
Fits into 5.25" drive bays