Samsung M393B5170EH1-CF8 4GB 2Rx4 PC3-8500R Memory
Samsung M393B5170EH1-CF8 4GB DDR3-1066/PC3-8500 RDIMM 240-Pin CL7 Dual Rank x4 ECC Registered Memory Module

Samsung M393B5170EH1-CF8 4GB 2Rx4 PC3-8500R Memory
Samsung M393B5170EH1-CF8 4GB DDR3-1066/PC3-8500 RDIMM 240-Pin CL7 Dual Rank x4 ECC Registered Memory Module