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imac nvme

  1. DINCAO

    Imac 27 late 2014 5k upgraded to NVME WD BLACK 750 But no more then 700 read and write. WHY???

    Imac 27 late 2014 5k upgraded to NVME WD BLACK 750 But no more then 750 read and write. WHY??? I use Big Sur . Should I down grade? HELP!