On AWS yes, the older instances which I am familiar with had 900GB drives and they sliced that up into volumes of 600, 450, 300, 150, 75GB depending on instance

On AWS yes, the older instances which I am familiar with had 900GB drives and they sliced that up into volumes of 600, 450, 300, 150, 75GB depending on instance size. But they also tell you how much IOPS you get: https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/storage-optimized-instances.html#storage-instances-diskperf https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/stora...