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