Want to work with the latest memory-intensive applications like graphic design and video-editing tools? Like to keep lots of browser windows open for work, school, or play? Is your PC having trouble keeping up? A DDR4 2666MHz memory upgrade from PNY gives you the speed you need to get the most out of your current Windows notebook PC. PNY’s Performance line of DDR4 RAM modules is purpose-built for users who want rock-solid reliability and great value. For more than 30 years, PNY has been rigorously sourcing, testing, and manufacturing memory upgrades for thousands of the most popular PC platforms. No matter what you do on your PC, you’ll do it better and faster with a DDR4 2666MHz upgrade from PNY..Lifetime manufacturer limited warranty.DDR4 memory module is rigorously engineered and tested to ensure stable, reliable performance in real-world computing environments.CAS latency: CL19.Pack contains one 16GB memory module.OS compatibility: Windows 10 and older.Features faster 2666MHz speed, greater bandwidth, lower power consumption, and enhanced thermal performance for a noticeable improvement in PC response times during memory-intensive application use.16GB capacity.Comes in black.DDR4 memory module gives you the speed you need to get the most out of your current Windows notebook PC