Resources and info:
To use SSH, you'll need to create a key pair from the EC2 console.
To enable all URLs used by AWS, you can check IP Ranges to greenlight on the security group.
All must operate together.
IO (block) Size x IOPS = Throughput.
If you have a block size of 16KB and can perform 100IOPS then it can achieve 1.6MB/s as throughput.