1、High Speed: Our 5in SATA internal hard drive tray supports SATA I, II, III and SAS, and can provide up to 6Gbps speed for optimal performance (Note: SAS hard drives need to be supported by the motherboard or used with a SAS card). 2、Hot Swap Function: The built in hard disk drawer can be installed in the 25in floppy disk drive bay of the computer mainframe chassis. Provides trouble free insertion, an improved drive mechanism, ensures a secure connection and provides easy mobility for your hard drive. 3、Material: The use of aluminum alloy material not only helps to maintain the ideal operating temperature of the drive, but also has a built in cooling fan to provide excellent heat dissipation. We also built in key lock so you can keep your data safe, compatible with all types of PC and server enclosures. 4、Trayless Design: Universally compatible, we give you the flexibility of your hard drive options with a trayless design that allows you to quickly install and remove hard drives without tools or screws. 5、Applicability: Our built in hard drive enclosures are ideal for server computers, computing storage, desktop PCs, media backup, security systems, and more. Note: This built in hard disk extraction box supports a maximum thickness of 26mm hard disk. 1 x Hard Disk Extraction Box1 x SATA Data Cable1 x Power Cord4 x Replacement Screw2 x Key Item Type:  3.5in Hard Drive EnclosureMaterial: Aluminum AlloyTransmission Interface: Support for SATA SASApplicable Hard Disk: 3.5in HDDNumber Of Connected Hard Disks: 1Transfer Rate: Up To 6Gbps (Depending On Hard Drive Speed)Maximum Hdd Height: Approx.26mm / 1inSupport Hard Disk Capacity: UnlimitedApplicable Installation Space: 5.25in Floppy DriveSystem Requirements: for Windows for OS