IO DATE I-O DATA Multi-Dock USB3-DD2 Returns and cancellations are not accepted to prevent product switching. There are noticeable scratches, but it has hardly been used. Compatible OS: win7, 8 MacOS X10.7~10.8 Please check the image of the box for other operating environments and specifications. Please purchase after confirming the following product contents. Please note that the box will not be included to reduce shipping costs. Product Contents: Main unit Vertical stand VESA mounting holder VESA mounting screws x 2 AC adapter AC cable USB3.0 cable #MultiDocking #USB3.0Compatible #IODATE #I-O DATA #USB3-DD2 #PCPeripherals