Crucial RAM CT4G3S1339M 4 GB DDR3 1333 MHz CL9 Memory for Mac , Green

Improve your system's responsiveness, run apps faster and multitask with ease Install with ease; no computer skills required. How-to guides available at Crucial Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 204-pin, PC Speed = PC3-10600, Voltage = 1.35 V/1.5 V, Rank and Configuration = 2R x 8