Kingston Technology 8GB 1066MHz DDR3 Single Rank ECC DIMM memory kit (4x2GB) for Apple Mac Pro & XServe

Mac Pro DDR3 (Early 2009) 1CPU Mac Pro DDR3 (Early 2009) 2CPU Mac Pro DDR3 (Mid 2010) 1CPU & 2CPU

Kingston Technology goes above and beyond the normal testing procedures to ensure that the module your receive is the most reliable and compatible memory module available today. They test 100%. That means that every module is testing in-house before it ships to you. 100% testing means that you get a proven module the first time, every time. Kingston Technology tests every cell, on every chip, on every module. This is the most comprehensive testing in the industry and ensures that Kingston Technology delivers only proven, compatible and guaranteed solutions.