8GB Kit (2 x 4GB) Crucial BLS4G3D169DS3. MPN: PC3-12800 1600MHz RAM, 2Rx8, Non-ECC Modules, Ballistix Sport, BLS4G3D169DS3.16FER2. Type: DDR3 SDRAM. From the Crucial website. Unit Type: Unit. Number of Modules: 2.
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