@sxcsacsac Following up on this thread to check, if the above suggestion was helpful. And, if you have any further query do let us know.
Just checking in to see if the above answer helped. If this answers your query, please don’t forget to "Accept the answer" and Up-Vote for the same, which might be beneficial to other community members reading this thread. And, if you have any further query do let us know.
If the issue still persists, May I know what download speed are getting and How much data are you downloading?
You can use Azure speed test tool to check the speed: https://www.azurespeed.com/Azure/Download
There is similar discussion threads, You may also refer to the suggestion mention in this Q&A forum and GitHub and let me know the status.
Can you try downloading same data using azcopy tool and check are you getting the same download speed?
Additional information: There is no throttling on the Azure side below the published 60 MB/s scalability target for a single blob. If the network and client machine can handle the traffic then we will send it.
Here's a guide for troubleshooting high E2E latency: https://learn.microsoft.com/en-us/azure/storage/common/storage-monitoring-diagnosing-troubleshooting#metrics-show-high-AverageE2ELatency-and-low-AverageServerLatency
You can also, refer the below documentation for azure storage performance. If it doesn’t I would recommend you create a technical support ticket to find the root cause of the issue. The ticket enables you to work closely with the support engineers and get a quick resolution for your issue. If you don't have the support plan we will try and help you get a one-time free technical support. In this case, could you send an email to AzCommunity[at]Microsoft[dot]com referencing this thread as well as your subscription ID. Please mention "ATTN subm" in the subject field. Thank you for your cooperation on this matter and look forward to your reply.
Microsoft Azure Storage Performance and Scalability Checklist
Hope this helps! Kindly let us know if the above helps or you need further assistance on this issue.
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