Elastic Compute Cloud -> vm
App, OS and configurations YOu can create your own custom AMI AWS Marketplace allows to buy verified AMIs from vendors
Size of machine ECU -> number of units AES-NI -> supports for data encyption AVX -> advanced vector extensions -> audio-video/scientifiec calc/3d vendor Turbo -> support turbo boost or AMD turbo technology
Instance purchasing option Tenancy User data Storage options security