3200MHz Memory RAM can downclock to 2933MHz or 2666MHz if system specification only supports 2933MHz or 2666MHz DDR4 3200MHz PC4-25600 288 Pin Unbuffered Non-ECC 1.2V CL22-22-22-52 Non-XMP Single Rank 1Rx8 based 1024x8 Module Size: 16GB KIT Package: 2x8GB For Selected DDR4 Desktop; Not for Laptop / Notebook PC, Mini PC, All in one Device Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States