With traditional File Import within Automation Studio, there is a way to import data from FTP and recently Salesforce started supporting Import Amazon S3 Data into Marketing Cloud which is much more faster in loading data compared to FTP locations. We will look at what is Amazon S3 and how we can setup this configuration in Marketing Cloud

https://help.salesforce.com/s/articleView?id=sf.mc_rn_april_2021_setup_aws_s3.htm&type=5

https://help.salesforce.com/s/articleView?id=sf.mc_overview_set_up_amazon_s3_location.htm&type=5

Thank you,

Reddy