Startech ST4300USBM, Chipset VIA/VLI - VL811+, Mountable 4 Port Rugged Industrial, MTBF 245,881 Hours, External 1 - Terminal Block (2 Wire), 1 - USB Type-B (9 pin) USB 3.0 Female, 4 - USB Type-A (9 pin) USB 3.0 (5 Gbps) Female, LED 1 - Power (Red), 4 - USB Device Connection (Green), Output 3A, AC Adapter Included, Black, Steel. The ST4300USBM Mountable 4-Port Industrial USB Hub (USB 3.0) offers a simple way to expand a systems current USB capability by providing 4 additional external USB 3.0 ports from a single USB 3.0 host connection, with speeds up to 5 Gbps.