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If you try to build and use a RAM module that does not support the CPU and the motherboard, it will result in unstable system performance and/or boot issues. Mismatched memory will do this as well. In taking the DDR4-3200 as an example, mismatched memory could reduce the speed to 1800MHz by 20%.
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1Does my RAM speed have to match my motherboard?
Make sure your memory is compatible with your motherboard. Compatibility is the most significant factor in buying a memory upgrade for your machine. Memory must be compatible with your motherboard in order to work on your machine.
2What happens if you put higher speed RAM in motherboard?
If you buy the faster RAM, your computer will work just fine. It will simply run at the slower 1333Mhz speed. After installing them, your motherboard will recognize those faster RAM sticks as being compatible (because they are) and will start the machine and operate normally.
3Can RAM speed be higher than CPU?
The CPU can only access memory at the speed it was supposed to do so at. The memory can only be accessed as quickly as it was designed. If you use faster memory, the CPU’s speed is limited by the CPU.
4Can I use 3200MHz RAM in 2400MHz motherboard?
You can, but if you’re buying it new, you’re wasting money. If you’re getting a good deal, go for it, but if not, you might as well buy 2400MHz because the 3200MHz will slow to match the 2400MHz speed. The only way to get 3200MHz is to use it alone or buy 2 3200MHz+ memory sticks.
5Can I use 1600Mhz RAM on a 1333MHz board?
Can I use 1600 MHz RAM in a 1333 MHz motherboard? Yes, you can use it, but you won’t be able to use 1600MHz because your motherboard supports 1333MHz.
6Can I use faster RAM than my motherboard supports?
Installing RAM sticks with a faster RAM speed than what is normally expected by the Motherboard may seem to be a huge oversight, but the RAM module will only run at the fastest speed allowed by the Motherboard.
7Can 3600MHz RAM run on 2666MHz motherboard?
I’m guessing you’re asking if you can use 3200MHz or 3600MHz RAM with a CPU that has been optimized for a maximum RAM speed of 2666MHz. Yes, but it is pointless because you will only get a maximum speed of 2666MHz out of the RAM.
8Can I use 2400mhz RAM 1600mhz motherboard?
Yep, in general, it will only be running at the lower speeds.
9Can I use faster RAM in slower motherboard?
As long as the faster RAM is of the same model that the motherboard supports, it will likely work. In other words, if the motherboard supports DDR3 RAM, it will work with faster DDR3 RAM. But you can’t put DDR4 RAM in a DDR3 motherboard.
10Does motherboard limit RAM speed?
Both motherboards and CPUs have RAM (memory aka DIMM) speed limits. Your true speed limit will be the lower of the two. That being said, you may be fined with 2133 MHz depending on what applications you use. If you’re a gamer, you’ll usually buy a “performance” grade DIMM.
11Should my RAM speed be the same as my CPU speed?
Both CPU and memory controllers will certainly get their clock speed from the base clock (100 MHz BCLK), but CPU frequency has nothing to do with RAM speed because they are completely independent of one another.
12Does RAM speed need to match CPU?
Normally, and historically, RAM has always been faster than CPU speed – which is no problem.
13What happen if I put a 3200MHz on a 2666MHz RAM?
It’ll work, but it won’t be able to get 2666 MHz rather than 3000 MHz. The motherboard can’t run faster than it is capable of, so it will automatically slow the RAM down to 2666 MHz, and turning XMP on will not increase the RAM’s clock.
14Can I install 2666MHz RAM in 3200MHz motherboard?
Yes, you can, but your other ram, which is 3200 Mhz, will slow itself down to 2666 Mhz to remain in sync with your slower RAM. It will have no effect on your overall system’s performance, but it will have more RAM.
15Can I put 3200MHz RAM in 2933MHz motherboard?
Yes, it’s ok. Assuming that this is JEDEC RAM (which it almost certainly is for laptop RAM), the faster RAM will clock at 2933MHz to match the other stick.
John has been a gamer since the early age of 7, playing a huge variety of single-player games, and MMOs, and even participating in LAN Tournaments for FPS games such as Counter-Strike Global Offensive. Ever since he found his passion in gaming & in technology in general, he has continuously increased his knowledge in software, programming & hardware and is now working at TechReviewTeam helping readers, answering questions, writing articles & reviews for the team.