Micro Connectors, Inc 2.5-Inch to 3.5-Inch and 3.5-Inch to 5.25-Inch&nbsp;Hard Drive Hardware Mounting Rails (L02-219) Ideal for adding a HDD to your computer system Allows you fit 2.5" to 3.5" HDD space or convert 3.5" form factor (i.e. IDE hard drive) to 5.25" slot. This kit also work with Solid State Drives.