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 two (2) 2GB SDRAM memory modules that are specifically designed and SPD configured for the Nehelam and Westmere Mac Pro Models (3rd Generation).
These ECC DIMMs include the Apple Specified Thermal EPROM Sensor that is compatible with the latest Apple Firmware.Specifications:
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