Features 1、Dual Bay: Trayless hard drive enclosure features a dual bay design that is fully compatible with all 2.5 and 3.5inch hard drives, allowing you to access your data quickly and easily. 2、6Gbps Transfer: 3.5inch SATA internal hard drive tray supports SATA I/II/III and can provide up to 6Gbps transfer speed for optimal performance. 3、Hot Swappable: 3.5in internal HDD enclosure can be installed in the 5.25in floppy drive bay of the main computer chassis, providing trouble free insertion, improved drive mechanism, and secure connection. 4、Good Heat Dissipation: HDD mobile rack cage is made of aluminum alloy and ABS material, which helps to maintain the ideal operating temperature of the drive, and the built in cooling fan provides excellent heat dissipation. 5、Scope of Application: The 3.5in SATA internal hard drive tray is ideal for server computers, cloud computing storage, desktop PCs, media backup, security systems, and more. Specification Item Type: 2.5in 3.5in Internal HDD Enclosure Material: Aluminum Alloy,ABS Transmission Interface: Support SATA Applicable Hard Disk: 1 x 2.5in and 1 x 3.5in HDD Transfer Rate: Up to 6gbps (depending on Hard Drive Speed) Maximum Hard Drive Thickness: 2.5in Hard Drives Up to 9.5mm Thick and 3.5in Hard Drives Up to 26mm Thick Support Hard Disk Capacity: Unlimited Applicable Installation Space: 5.25inch Floppy Drive System Requirements:For Windows,for OS X Package List 1 x 2.5in 3.5in Internal HDD Enclosure 2 x SATA Data Cable 1 x Power Cable 4 x Screw 4 x Key 1 x User Manual