[don3918]

Cool. Thought it was IAD, but wanted to verify we were talking about the same thing. We didn't officially launch the new flavors until 11/4 (even though they were out there before that) and we addressed some networking limitations just prior to launch. Thus, if you initially ran your tests with Cloud Block Storage prior to the changes, you very likely would have gotten the results you experienced.

In the performance tests we've run since the networking changes, we've seen substantially better IOPS performance with Cloud Block Storage. If you happen to rerun your tests we'd love to hear about the results!

Thanks for checking our products out.