SYBA CL-HD-MRDU25S Mobile Rack for 2.5 SATA Mobile Rack Drives Support: Multi 2.5 Drives to 3.5 Bay Mobile Rack Interface: SATA I/II Specifications: Removable internal enclosure 3.5 for two 2.5 SATA hard disks Fits in any 3.5 bay. Can work in external Tool free and driverless hard disk installation Compatible Hot Swap, RAID, SATA II. Led indicators for activity and power NSS (Non-Scratch SATA) connectors for 50000 times ejection rate Aluminum case with heat ventilation holes