Owc Owc1867Ddr3S12S Memory Module 12 Gb 1 X 4 + 1 X 8 Gb Ddr3 1867 Mhz

12GB, 1867MHz, DDR3, SO-DIMM, PC3-14900

OWC OWC1867DDR3S12S. Component for: Notebook, Internal memory: 12 GB, Memory layout (modules x size): 1 x 4 + 1 x 8 GB, Internal memory type: DDR3, Memory clock speed: 1867 MHz, Memory form factor: 204-pin SO-DIMM, CAS latency: 11, Product colour: Black, Blue, Gold

OWC Memory fully meets Apple's specifications with special attention to proper thermal specifications.