Will USB-C port dongle slow my external drive?

Discussion in 'iMac' started by yalag, Jun 15, 2017.

  1. yalag macrumors 65816

    Joined:
    Nov 18, 2007
    #1
    I bought the new imac without realizing that it doesn't have a thunderbolt 2 port. So my raid drive cant connect directly, I have to buy a dongle for usb-c. Is the dongle going to slow my external drive down?
     
  2. CWallace macrumors 603

    CWallace

    Joined:
    Aug 17, 2007
    Location:
    Seattle, WA
    #2
    TB3 is fully backwards compatible with TB2, it will just run at TB2 speeds.

    So you should see similar performance with the Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter as you did with the TB2 ports on the older iMac.
     

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