Ensure protection and cooling capability with this hot swappable ATA133 removable tray from DataStor. This superior Carrier and Frame assembly is made of light, high strength plastic. Everything you need to install a 3.5" ATA133 or earlier hard drive is provided with this superior product. This tray also comes with a big 40 mm cooling fan to maximize airflow throughout the tray interior. All the necessary hardware and instructions are included.-This tray is also FULLY compatible all ATA133 and earlier hard drives.