My laptop has DDR4 2133MHz 4GB RAM. I bought an additional 8GB 2400MHz DDR4 RAM. Will it run properly on core i3-7100u 7th gen laptop? - Quora
What happens if I put 2400MHz RAM in my computer if the CPU supports only 2666MHz? (Intel Core i7-8750H) - Quora
I never understood this if ryzen 3550h only support 2400mhz then why it came pre-installed with 3200mhz ram.. : r/AMDHelp
Whiskey Lake I5 8th Gen Intel Core CPU 2133/2400MHz RAM Max Support 32GB Mini-Itx Motherboard - China 12V/19V Power and Realtek 8111h Gigabit Network Card Chip price | Made-in-China.com
Corsair Value Select 8GB DDR4 2400MHz RAM/Memory Module LN81201 - CMV8GX4M1A2400C16 | SCAN UK
X99 Motherboard Set Dual CPU with E5 2680 V4 64GB DDR4 Ram 2400mhz Support USB3.0 SATA3 M.2 X99 Sever Combo - Newegg.ca
JINGSHA X99D8 motherboard set with Xeon E5 2678 V3 CPU 2.5G and DDR4 8*8gb 2400mhz ECC REG RAM support SSD M.2 and USB 3.0 - Price history & Review | AliExpress Seller -
2400 Mhz ram but showing 2133 in system - CPUs, Motherboards, and Memory - Linus Tech Tips