Welcome to our store! 1Made of highquality aluminum alloy, and the notebook memory is sturdy, durable, not easily damaged, and has a long service life. 2Highperformance memory RAM upgrade designed for DDR4 SODIMM compatible notebooks and AllinOne computers. 3System performance can be improved by speeding up loading time, improving system responsiveness, and improving the system's ability to handle larger workloads. 4Compatible with all DDR42666MHz notebook computers, and easy to operate, can improve the efficiency of work and office. 5This notebook memory can run laptop data, so as to ensure the stable operation of the notebook computer. Item Type: Laptop Memory Material: Aluminum Alloy Transmission Type: DDR4 FSB: PC4-21300 Operating Temperature: 0-70 Function: Run Computer Data Applicable Scene: Laptops .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1 x LaptopMemory (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service. Thanks for seeing me, I hope I can help you. Good life to you.