Qumox Brand New Retail 4GB DDR3-1600 PC3-12800 204-Pin SO-DIMM LapTop       · Memory Size - 2x 4GB DDR3 RAM · Memory Speed - 1600MHz DDR3-12800/PC-12800 · Form Factor - 204-pin SO-DIMM · CAS Latency - CL11 · Voltage - 1.35v · Error Checking - Non-ECC · Packaging Type - FBGA · Plating - Gold Plated · Signal Processing - Unbuffered