PNY Performance 32GB DDR4 DRAM 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory RAM – MN32GSD42666 at Amazon.com
No input signal on monitor after adding another black 8GB Ram to second slot. It has the same mhz, latency etc. Why it doesn't work? PC works again after removing it. :
What happens if I put 2400MHz RAM in my computer if the CPU supports only 2666MHz? (Intel Core i7-8750H) - Quora