What is the maximum hard disk capacity does CloudFTP / iUSBPort support? Shirley June 24, 2013 22:29 Currently the CloudFTP / iUSBPort support up to 2TB hard disk only. Related articles How to write file to the USB hard disk through the iUSBport / CloudFTP device? What does it mean when CloudFTP shows "error - 0 hardware - 0"? My CloudFTP cannot view files in Internet Explorer? Comments 0 comments Please sign in to leave a comment.