7 x External USB3.0 port ( 5 x Type A, 2 x Type C). Each port provides DC 5V 1A via USB 3.0 connector. Suports USAP ( USB Attached SCSI Protocol ). Maximum speed is 5Gbs. Supports Windows XP / 2003 / Vista / 7 / 8 / 8.1/win 10/Win 11, Linux and Mac OS 10.8 +.