4GB PC3-12800 1600MHz RAM Apple OEM
4GB PC3-12800 1600MHz RAM SO-DIMM. Apple OEM. Choice of Hynix, SKhynix or Elpida. Suit Late 2012 - Mid 2015 iMacs. These come used but are near new, having been pulled from new iMacs to do upgrades. Excellent, working order. Price is for an individual SO-DIMM (6 available).