I often get asked how long it will take to transmit a 1 TB database (assumes that the database is actually 1 TB in size and not just allocated at 1 TB). Elapsed time is going to depend on many factors: speed of connection, compression used (if any), can load be done in parallel etc. The fastest load times will happen using AWS import/export (http://aws.amazon.com/importexport/ ). The next fastest will be using AWS Direct Connect (http://aws.amazon.com/directconnect). Direct Connect provides speeds of 1 Gbps to 10Gbps. Using a 1 Gbps line, it would take about 3-4 hours (here is a good site: http://fasterdata.es.net/fasterdata-home/requirements-and-expectations/). Assuming an internet connection speed of 100 Mbps (100Base-T connection) it would take about a day to transfer using a traditional connection to AWS/EC2 Both DirectConnect and Import/export provide a secure method of transfer.