Do DDR4-2400 and DDR4 -2666 RAM chips have the same number of pins (260 or 288)? A website I looked at shows them as different. They both have 288, right since they are DDR4. - Quora
Advantages of DDR4 VS. DDR3 and Other Generation Modules - StoragePartsDirect.com
RAM Types and Features | Foundation Topics | Pearson IT Certification
TEAMGROUP Elite DDR4 32GB Kit (2 x 16GB) 3200MHz PC4-25600 CL22 (2933MHz or 2666MHz)Unbuffered Non-ECC 1.2V SODIMM 260-Pin Laptop Notebook PC Computer Memory Module Ram Upgrade - TED432G3200C22DC-S01 at Amazon.com