You can add this DDR4 2666MHz RAM modules to your computer, laptop, or gaming PC and smoothly run all your programs, games, and other apps. Thanks to the high clock speed of 2666MHz, you won't have long load times or program crashes during intensive use. Do keep in mind that these 2666MHz RAM modules only work with DDR4. Do you have a DDR3 or DDR5 motherboard? This RAM won't work in that case. Make sure to check this in Task Manager before you buy DDR4 2666 RAM.