Brand: CORSAIR, Model: CMSA8GX3M2A1066C7, Type : 204-Pin DDR3 SO-DIMM, Compatibility: MacBook Pro, iMac, and Mac mini, Capacity: 8GB (2 x 4GB), Speed : DDR3 1066 (PC3 8500), CAS Latency : 7, Timing : 7-7-7-20, Voltage : 1.5V, Multi-channel Kit : Dual Channel kit, Heat Spreader : No Macbook users demand the highest performance from their systems, especially when working with digital media applications. Corsair’s Mac Memory is specifically designed for rock-solid stability in demanding digital media rich environments..