Windows 10: Will using a usb3 gen2 thumb drive on a pc result in quicker transfer

  1.    12 Apr 2018 #1

    Will using a usb3 gen2 thumb drive on a pc result in quicker transfer


    Can a laptop with usb3 ports utilize a usb3 generation 2 thumb drive.
    If so will the file transfer rate be done in half the time?
      My ComputerSystem Spec

  2.    12 Apr 2018 #2

    Yes. USB 3.1 gen 2 is backwards compatible with USB 3.1 gen 1, which is the same as USB 3.0.

    However, USB is only the interface. The actual file transfer speed will almost always be limited by the speed of the storage medium (e.g. flash or hard drive). You can get cheap USB3 flash drives that are slower than USB2 drives.

    You have to get into the high-end USB SSDs (like the SanDisk 900) before you see a difference between gen 1 and gen 2 transfer speeds.
      My ComputerSystem Spec

  3.    12 Apr 2018 #3

    Thanks for your reply...Do USB 3 gen2 thumb drives exist?
    Amazon only lists one

    Would such a thumb drive theoretically double the transfer speed of files from a 3.1 gen 1??
      My ComputerSystem Spec


  4. Posts : 3,230
    Windows 10 Pro x64 v1803 Build 17134.137 (Branch: RS4 Release Preview)
       12 Apr 2018 #4

    You can get up to the theoretical bandwidth limit of USB3.0 if your storage media controller and your USB controller driver supports UASP.


    I get full read an write speeds of my Samsung SSD stuck in an USB enclosure with UASP support. Read speeds are about 500MB/s and write about 400MB/s which is the same as used in a SATA3 port. :)


    For thumb drives, you won't see much of difference unless it's using NVMe technology internally or you use a device that has several SSDs put in RAID. But then again that is not a thumb-drive anymore.
      My ComputersSystem Spec

  5.    12 Apr 2018 #5

    provlima said: View Post
    Thanks for your reply...Do USB 3 gen2 thumb drives exist?
    Amazon only lists one

    Would such a thumb drive theoretically double the transfer speed of files from a 3.1 gen 1??
    USB 3.1 gen 1 maxes out at around 600MB/s. The fastest "thumb drive" I see on UserBenchmark.com is about 370MB/s. So for any "thumb drive" sized device you will most likely not see any improvement going from gen 1 to gen 2.
      My ComputerSystem Spec


  6. Posts : 3,230
    Windows 10 Pro x64 v1803 Build 17134.137 (Branch: RS4 Release Preview)
       12 Apr 2018 #6

    PolarNettles said: View Post
    USB 3.1 gen 1 maxes out at around 600MB/s. The fastest "thumb drive" I see on UserBenchmark.com is about 370MB/s. So for any "thumb drive" sized device you will most likely not see any improvement going from gen 1 to gen 2.
    Exactly!
      My ComputersSystem Spec


 

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