ITEM NAME:5.25" to 3.5" 2.5" SSD Hard Drive Bay Tray Cooling Fan Mounting Bracket For PC Descriptio n Description: 3.5-inch hard disk mounting screw holes Hard drive cooling fan mounting screw holes Hard disk rack mounting screw holes 2.5-inch hard drives (SSDs) fixing screw holes Support: Solid State Drives /2.5 inch hard drive, 3.5-inch hard drive At the same time support the installation: a 12cm fan Rack hardness is very good, in the desktop chassis can put 5.25-inch optical drive Converted into a 3.5-inch drive bays, 2.5-inch hard drives, SSD drive bays, 12cm fan bit; when you install a fan, it will account more than a optical drive. Support 3.5-inch (or 2.5 inch or SSD) hard drive and a 12cm fan; Above Install hard disk , below install the fan. Make sure the hard disk high speed read. Effectively enhance the machine speed and extend drive life. Specifications: Material: Plastic Color: Black Size(approx.): 145 x 118 x 20mm (L * W * H) Package Included: 1x SSD Hard Drive Adapter (With Screws) Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Whatever the ending's perfect or not, you can't disappear from my world 5.25" to 3.5" 2.5" SSD Hard Drive Bay Tray Cooling Fan Mounting Bracket For PC.1x SSD Hard Drive Adapter (With Screws). Above Install hard disk, below install the fan. Make sure the hard disk high speed read. Effectively enhance the machine speed and extend drive life. Hard drive cooling fan mounting screw holes.