Specification: -Brand new -Material: Plastic -Color: Black -Size(approx.): 145 x 118 x 20mm (L * W * H) -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. Package Included:1x SSD Hard Drive Adapter (With Screws)