Aspera

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Introduction

It's probably the fastest way of downloading SRA files from the Short Read Archive.

It's considerably faster than using fastq-dump in its download mode (note that fastq-dump will still be required to convert the SRA files into fastq.gz files.

It's a semi-commercial tool, owned by IBM, but via the NCBI website it's possible to get a free version.

Note:

Maybe due to its commercial nature, it can seemingly be only installed as a normal user. I.e. a system-wide installation is not possible.

Where to get it

  • here (via NCBI's page).