Speed

Approximate time to transfer one DVD (about 4.7 Gb)

Transfer Speed Transfer Time
Modem (14.4 kbps) 32 days, 10 hrs, 48 mins
Typical Broadband (1.5 Mbps, T1 speed) 7 hrs, 15 mins
10 Mbps 68 minutes
25 Mbps 27 minutes
50 Mbps 14 minutes
100 Mbps 7 minutes
500 Mbps 1 minute
1 Gbps 41 seconds
10 Gbps 4 seconds

Note: Times are estimated using optimal conditions. Actual speed also depends on the ability of your computer and the capacity at the receiving end.
Source: http://www.dslreports.com/calculator