Gigabyte Express - Version 2.94 Increase file transfer speeds across broadband internet connections by 2 to 5 times. Features include background file transfer, Autosend, on-the-fly lossless compression, Mac-to-Win, Mac-to-Mac, Win-to-Win. and Advanced Scheduling, Minimum ISDN speeds recommended. Gigabyte Express must be on both the sending and receiving computers.