OWC Mac Pro Upgrades Work With the Entire 2019 Series. COMPATIBLE WITH: 2019 Mac Pro 8-Core (Model ID: MacPro7,1) 2019 Mac Pro 12-Core (Model ID: MacPro7,1) Mac Pro 16-Core (Model ID: MacPro7,1) 2019 Mac Pro 24-Core (Model ID: MacPro7,1) 2019 and a2304 Mac Pro 28-Core (Model ID: MacPro7,1) A1991.
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