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. PNY DDR4 memory features faster speeds, greater bandwidth, lower power consumption, and enhanced thermal performance for a noticeable improvement in PC response times during memory-intensive application use. SpecificationsCAS Latency: CL19Device Supported: NotebookMemory Speed: 2666 MHzProduct Line: PerformanceMemory Size: 4 GBMemory Technology: DDR4 SDRAMMemory Standard: DDR4-2666/PC4-21300Product Family: PerformanceMemory Voltage: 1.20 VWeight: 0.2 lbs