2666mhz Ram. This is just the first step in answering the question is 2666MHz RAM better than 2400MHz. Find many great new used options and get the best deals for Kingston 16 GB DDR4 2666MHz SO-DIMM RAM Kit 2 8GB Memory Modules DELL AW OEM at the best online prices at eBay.
2666mhz ram is fine for Intel CPUs. Read further to understand. Actual frequency 1333mhz means effective frequency 2666mhz.
2666mhz ram is fine for Intel CPUs.
ADATA XPG Z1 DDR4 8GB 2X4G. CPU-Z is showing you actual frequency. You can calculate effective frequency yourself. Almost all laptop seller companies like Dell HP Lenovo would specify the Clock speed DDR generation and size of RAM but not the secret CAS latency.