VisionTek 4GB DDR4 2133MHz (PC4-17000) SODIMM -Notebook - DDR4 RAM - 4GB 2133MHz SODIMM - PC4-17000 Laptop Memory Module 260-pin CL 15 Unbuffered Non-ECC 1.2V

No matter how heavy and numerous the applications that you are using, 2133 MHz memory speed with Unbuffered signal and CL15 latency will run them smoothly SoDIMM 4 GB memory smoothly executes complex apps and games DDR4-2133/PC4-17000 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance