<p>It seems just like two different mirrors contains the same SRA archive. If you still doubt, you can download both (its have relatively small size) and compare their md5sum.</p>

CC BY-SA 4.0
2020-03-22T15:53:02.190Z
2020-03-22T15:53:02.190Z
Hood
<p>Trying to download run data of Run accession <strong>SRR2155174</strong>. Here's the link: <a href="https://trace.ncbi.nlm.nih.gov/Traces/sra/?run=SRR2155174" rel="nofollow noreferrer">https://trace.ncbi.nlm.nih.gov/Traces/sra/?run=SRR2155174</a>
Please go to the link and go to the "Data Access" tab. Hereunder header "Name" you can find two links:
<a href="https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-5/SRR2155174/SRR2155174.1" rel="nofollow noreferrer">https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-5/SRR2155174/SRR2155174.1</a>
<a href="https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR2155174/SRR2155174.1" rel="nofollow noreferrer">https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR2155174/SRR2155174.1</a>
<strong>Do these two links download the same data or they are for different purposes?</strong></p>

<p>Thanks</p>

<sequence-analysis><phylogenetics>
SRA run data access
# SRA run data access

(Asked by: username_0 on 2020-03-22)

Trying to download run data of Run accession **SRR2155174**. Here's the link: <https://trace.ncbi.nlm.nih.gov/Traces/sra/?run=SRR2155174>
Please go to the link and go to the "Data Access" tab. Hereunder header "Name" you can find two links:
<https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-5/SRR2155174/SRR2155174.1>
<https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR2155174/SRR2155174.1>
**Do these two links download the same data or they are for different purposes?**

Thanks

**Tags:** sequence-analysis, phylogenetics

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## 1 answers

### Answer by username_1 on 2020-03-22. Score: 2

It seems just like two different mirrors contains the same SRA archive. If you still doubt, you can download both (its have relatively small size) and compare their md5sum.


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