Brand: CORSAIR, Model: CMSA8GX3M2A1333C9, Type : 204-Pin DDR3 SO-DIMM, Compatibility: For Apple MacBook, MacBook Pro & iMac, Capacity: 8GB (2 x 4GB), Speed : DDR3 1333 (PC3 10600), CAS Latency : 9, Timing : 9-9-9-24, 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.