SP3 Dock with SP 7?

Discussion in 'Microsoft Surface Accessories' started by ForumName, Nov 23, 2019.

  1. ForumName

    ForumName New Member

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    My Device:
    SPro3
    I have an older Surface Pro 3 Dock. Has anyone tried this dock, using a spacer, and the Surface Pro 7? Will it work with the SP7? Based on some prior posts, it does sound like the SP3 Dock did work with the Surface Pro 6, but I haven't yet found any comments about compatibility with the Surface Pro 7.
    Thanks for any help you can give!
     
  2. mmo

    mmo Member

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    Location:
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    My Device:
    SPro3
    I can't tell about the Pro 7, but I had tried the same with my Pro 5 (or Pro 2017, since officially for whatever reason it was never named 'Pro 5'). While mechanically things were OK with the spacer (which I got for free after calling MS) I ran into issues with the power supply.

    If you look carefully: the Pro 3 dock power supply has slightly less voltage and can provide less current only than the Pro 4-7 power supplies. So, while the device mechanically fitted well and worked OK in the Pro 3 dock, the battery often would not charge (sometimes not charge at all or not charge full) and esp. it typically did not charge while working on it (i.e. system active PLUS charging at the same time was too much). And the stronger supplies of the Pro4+ don't fit into the plug of the Pro 3 dock. :-(

    Thus, after having left the house a few times with a half-empty battery due to this, I finally switched to the "brick" (as I call it), i.e. the newer docking station. Since then I can always rely on a full battery after having charged at least a few hours (or e.g over night).

    Just for your consideration...
     

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