Why is the frequency of RAM 1600 and not 3200?

Question

Computers

Decided to build myself a new computer. I decided on the processor, I took the ryzen 5 3600. I read that this processor needs high-frequency memory, I took the kingston for 16 GB 3200 MHz, the BIOS did not start. Okay, I took a micron for 3200 16GB from a friend, with timings 22-22-22. The bios is now up and running. Urya! I went to check the RAM, and did not see the frequency of 3200 there, only 1600. What is the problem, what did I do wrong, or should it be so (but I'm not sure if this is the norm)?

Also, 1 memory stick. I thought that it might be necessary to somehow set the single-channel mode, and therefore the frequency is 2 times less. In this matter, I'm not very good, I will be glad to any advice)

Answer 1

This is DDR memory, Double Data Rate. The real clock frequency is 1600 MHz, but for each clock there are two transmissions, we get an effective 3200

Answer 2

SIV (System Information Viewer) .

Answer 3

Recently, marketing came up with the idea of ​​​​writing on the packaging of RAM the frequency is twice as high as the real one.