This 1600MHz Memory are for 2012 MacMini Apple release in Nov 2012 with "Ivy Bridge" Intel Processors. Comes in 8GB (4GB x 2pcs) or 16GB (8GBx2pcs) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit for 2012 MacBook Pro 13" & 15" models (non-Retina display), PCs which utilize PC12800 SO.