Item Type: 4GB DDR4 RAM <br>Material: PCB, Metal <br>Capacity: 4GB <br>Memory Type: DDR4 <br>Frequency: 2666MHz <br>Bandwidth: 21300 <br>CL: 19-19-19-43 <br>Operating Voltage: 1.2V <br>Applicable: Desktop PC1、21300 Bandwidth: DDR4 memory type, 21300 Bandwidth, 19 19 19 19 43 CL, 1.2V operating voltage, suitable for desktop computers. <br>2、2666MHz Frequency: Excellent performance with a frequency speed of 2666MHz, backward compatible with lower frequencies (2400MHz and 2133MHz). <br>3、Improved Responsiveness: 4GB RAM improves system performance by speeding up load times, improving system responsiveness and increasing the system's ability to handle larger workloads. <br>4、Stable Performance: Laptop memory provides stable and excellent performance, compatibility and stability support for all major platforms, and dramatically improved responsiveness. <br>5、Effective Heat Dissipation Efficiency: Metal casing, superb heat dissipation system, effective heat dissipation efficiency to ensure stable operation.1 x <br> <br>4GB&nbsp;DDR4&nbsp;RAM