Lenovo 8GB 2 x 4GB PC3-10600S DDR3 1333 SODIMM Laptop Memory Kit 55Y3714 Samsung Manufacturer: Samsung, Lenovo FRU: 55Y3714, Memory Type: SODIMM Capacity: 8GB 2 x 4GB, Pins: 204 Pin, Bus Type: PC-10600, Error Correction: Non-ECC Cycle Time: 1.5ns, Cas: CL9, Data Transfer Rate: 1333Mhz, Memory Clock: 166Mhz, Rank: Rank 2, Voltage: 1.5