Can I put a 3000 MHZ DDR-4 RAM onto a motherboard that says that it supports DDR4-2133/2400/2800/2933/3200/3600? Does it automatically downclock to 2933 MHZ? - Quora
Corsair 2400Mhz RAM running at 2133MHz - Faulty Module? - CPUs, Motherboards, and Memory - Linus Tech Tips
Solved: 2133Mhz RAM detected as 1866Mhz on HP Support Assistant and ... - HP Support Community - 7150427
China Factory source Ram Laptop Ddr3 - High Performance Original Memory RAM DDR4 2133MHz 2400MHz 2666MHz PC 4GB RAM DDR4 for Desktop – SimDisk Manufacturer and Supplier | SimDisk