Samsung 8GB PC4-17000 DDR4-2133MHz 260-Pin SODIMM 1.2V Single Rank Memory Module M471A1K43BB0-CPB FeaturesSpecs: PC4-17000, Unbuffered, NON-ECC, 1.2VWarranty: Limited LifetimeTotal Capacity: 8GBData Transfer Rate: 2133MhzForm Factor: 260PIN SODIMM .