12.5/3.5 inch universal serial port 4 bay hard disk duplicator, support offline copy and online read and write functions. 2Both serial hard disks or hard disks converted to serial ports are applicable, and support 4 hard disks to copy at the same time. 3Online reading and writing support UASP acceleration protocol, 10 minutes intelligent sleep function. 4The KRD display shows the progress of light copying, selfchecking hard disk function, buzzer alarm. 5Maximum support capacity of a single disk is 16tb, USB3.0 interface transmission, support hot plug, plug and play. Item Type: Hard Drive Docking Station Model: K3094A Interface: USB3.0 Support Hard Disk: 2.5&3.5 Inch SATA Interface HDD&SSD Hard Disk Support System: For Windows/OS X/Linux Function: Support Hot Swap, Plug and Play Display: LED Indicator Shows Working Status External Power Supply: Power Adapter 12V Theoretical Transmission Speed: 5Gbps(USB3.0)/480Mbps(USB2.0) Interactive Instructions: Power Indicator: Red On Disk Position Indicator: Red On 3 "Beep Beeps" When the Hard Disk Copy Starts 3 "Beep Beeps" When the Hard Disk Copy Is Completed The hard disk copying alarm prompt sound "beep beep" for a long time (the capacity of the source disk is larger than the capacity of the sub-disk, and the damaged part of the track during the hard disk copying process will cause an alarm, and the power must be turned off manually) Specification: EU Plug Voltage: 100-240V 1 x Hard Drive Dock 1 x Power Adapter 1 x Power Cord 1 x USB Cable 4 x Card Slot 1 x User Manual