All Timetec products are high quality and rigorously tested to meet stringent standards.PCB Color may be different (Black or Green) due to different production batches.Compatible for Apple Mac Mini – Mid 2011, Late 2012 – MacMini5,1 MacMini5,2 MacMini5,3 MacMini6,1 MacMini6,2.Compatible for Apple Mac Book Pro -13 inch / 15 inch / 17 inch Early 2011, 13 inch / 15 inch / 17 inch Late 2011, 13 inch / 15 inch Mid 2012 – Mac Book Pro8,1 Mac Book Pro8,2 Mac Book Pro8,3 Mac Book Pro9,1 Mac Book Pro9,2.
DDR3L 1600MHz PC3L-12800 204-Pin Unbuffered Non ECC 1.35V CL11 Dual Rank 2Rx8 based 512×8 Module Size: 16GB KIT(2x8GB Modules) Package: 2x8GB.