Get fast access to four 2535 sata drives over usb 30 with uasp or esata dock and swap up to four drives from your laptop or desktop computer simultaneously using a single esata or usb port this 4 bay docking station gives you large data capacity and fast file transfers with support for sata i ii and iii up to 6gbps access multiple drives with this quad bay docking station it saves you valuable time every day by giving you independent access to four 25 or 35 sata hard drives