... 4 ports in unique design 2)transfer seep:5Gbps 3)4ports usb3.0 USB 3.0 HUBSpecifications usb hub, 4 ports usb hub, usd3 ... .0Features:1.Support mini USB3.0 to 4-Port USB3 ... simutaneously3.Super-speed upto 5Gb/s,PCI-E1.0(2.5'' HDD-70MB/S,3.5''HDD-125MB/S,SSD-125MB/S ... ),PCI-E2.0(2.5''HDD-70MB/S,3.5''HDD-125MB/S,SSD-225MB/S ...