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    Difference Between ProBooks?

    Discussion in 'HP Business Class Notebooks' started by khawarspirit, Oct 2, 2013.

  1. khawarspirit

    khawarspirit Notebook Guru

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    Hi all.

    Could someone please tell me what the difference is between the 'three digit' model ProBooks and the 'four digit' ones?

    The 4540s costs around the same as the ProBook 450 G0... There are similar 14" ones as well. And their specs and appearances are identical as well. So what's the deal? I tried Google but found no explanation.