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Slow (under 25 kbps) data transfer to Bitlocker-encrypted external hard drive

    Question

  • Hi All,

    I'm hoping that some of the gurus in this area can help me to resolve why my transfer rate to my external hard drive is so slow (ranges from 200 kbps to 15 kbps), but is almost always in the 15-20 kbps range vs. an advertised/expected transfer rate of 5 Gbps.  That's < 1% of expected transfer rate.  Any thoughts on possible root causes that I should investigate?

    • I have an HP Probook 430 G1 laptop with a Samsung SSD 850 PRO 256 GB SCSI internal hard drive and 4 GB RAM running Windows 7 Enterprise SP1 64-bit. 
    • I also have a Western Digital My Passport Ultra 1 TB external hard drive
    • Both the internal drive and the external drive are bitlocker encrypted
    • I've connected the drives via USB 3.0 ports + cable. I've also connected the drives via USB 2.0 port on laptop and USB 3.0 cable.
    • I've checked the My Passport for errors and found none.

    Any insight would be much appreciated.


    • Edited by Need Help in Dallas Tuesday, September 13, 2016 6:22 PM accidentally used special characters in title
    Tuesday, September 13, 2016 6:21 PM

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