4GB DDR3 ECC 1066MHz SDRAM for Early 2009 to Mid 2010 Mac Pro Models 4.1 and 5.1 quad-core and 8-core. Contains one (1) 4GB ECC SDRAM memory module that is specifically designed and SPD configured for the Nehelam and Westmere Mac Pro Models (3rd Generation).
This ECC DIMM includes the Apple Specified Thermal EPROM Sensor that is compatible with the latest Apple Firmware.Specifications:
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