Product SpecificationsBrand: CrucialWarranty: Limited LifetimeSeries: CrucialForm Factor: SODIMMTotal Capacity: 8GBSpecs: DDR4 PC4-21300 • CL=19 • Single Ranked • x8 based • Unbuffered • NON-ECC • DDR4-2666 • 1.2V • 1024Meg x 64 •Speed: 2666 MT/SDIMM Type: UnbufferedECC: NON-ECCVoltage: 1.2V