Up for auction is a pair of Samsung SO-DIMMs taken from an older Apple MacBook Pro. These particular SO-DIMMs are 2GB each and are dual rank (2Rx8) with spec PC3-8500S-07-00-F0. The Samsung part number is M471B5673DH1-CF8. These SO-DIMMS have 204 pins and are 1066Mhz speed. These are DDR3 non-ECC memory modules.