Order multiple if you need more than 1, we provide matched sets
This Memory works also perfect @ DDR3 ECC 1066MHz PC3-8500 Speed
* About the Apple Specified Thermal Sensor:Ensuring maximum performance, reliability, and operational feedback – all OWC DDR3 ECC Modules for the Apple Mac Pro 'Nehalem' process models feature utilization of Apple qualified components including the inclusion of the Apple qualified Thermal Sensor EEPROM.
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Lifetime Replacement Warranty