Type Name Instance Store Volumes (Ephemeral Storage) Micro t1.micro None (use Amazon EBS volumes) M1 Small m1.small 1 x 150 GiB M1 Medium m1.medium 1 x 400 GiB M1 Large m1.large 2 x 420 GiB (840 GiB) M1 Extra Large m1.xlarge 4 x 420 GiB (1680 GiB) M3 Extra Large m3.xlarge None (use Amazon EBSRead more