F3-10666CL9S-2GBSQ / F3-10666CL9D-4GBSQ / F3-10666CL9S-4GBSQ / F3-10666CL9D-8GBSQ Specification Main Board System Notebook Memory System Type For Pc M/B Chipset CAS_Latency 9-9-9-24 Capacity 2GB(2GB x 1), 4GB(2GB x 2), 4GB(4GB x 1), 8GB(4GB x 2) Speed DDR3-1333 (PC3-10666) Test_Voltage 1.5 Volts PCB 6 Layers Registered/Unbuffered Unbuffered Error_Checking Non-ECC Type 204-pin SO-DIMM Warranty Lifetime