Slow SSH, SCP or SFTP transfer performance

Solution Verified - Updated -


  • I have a 10Gbps ethernet connection but SCP only transfers at 50-250Mb/s instead of 1Gb/s.
  • SSH transfer performance is not near 1G or 10G line speed.
  • Why SCP/SFTP transfer rate is slower than FTP/FTPS?


  • Red Hat Enterprise Linux
  • File transfers over SSH or SCP

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