Genuine Lexar 8GB DDR4 SODIMM laptop memory module (ZC1G8ST), rated at 3200MT/s, CL22, 1.2V. It’s been tested and works perfectly, removed during an upgrade to a larger memory kit. This is laptop (SODIMM) memory only, not compatible with desktop PCs — please check your laptop’s specification before buying to confirm DDR4 SODIMM support. Feel free to message with any questions, and these will be dispatched the same day after order confirmation.