Features: 1.6Gbps Running: 2.5in SATA internal hard drive tray supports SATA I/II and can provide up to 6Gbps transfer speed for optimal performance 2.Hot Swap: The HDD internal SATA tray can be installed in the 5.25in floppy drive bay of the main computer case, ensuring a secure connection and providing easy mobility for your hard drive 3.Scope of Application: Ideal for professional users, suitable for server computers, cloud computing storage, desktop PCs, media backup, security systems, etc. Note that this built in hard disk extraction box only supports 7 to 9.5mm hard disk thickness 4.ABS Stainless Steel: The HDD mobile rack cage is made of ABS and stainless steel to maintain the ideal working temperature and excellent heat dissipation 5.2.5in Drives Compatible: The trayless design allows quick installation and removal of hard drives without tools or screws. Hot swappable backplane compatible with all 2.5in drive formats, whether mechanical SATA HDDs or SSDs specification:Item Type: 2.5in Internal HDD Enclosure Material: ABS, Stainless Steel Transmission Interface: Support SATA I/II Applicable Hard Disk: 2.5in SDD, HDD Number of Connected Hard Disks: 1 Transfer Rate: Up to 6gbps (depending on hard drive speed) Maximum HDD Height: 9.5mm/0.4in Support Hard Disk Capacity: Unlimited Applicable Installation Space: 5.25in Floppy Drive Bay System Requirements: for Win, for OS X PackageList: 1 x 2.5in Internal HDD Enclosure 2 x SATA Data Cable 2 x Power Cord 4 x Screws