![]() ![]() I say “fastest speeds available to it” because as I’ve described above, if your motherboard and CPU aren’t up to par, you’re not going to be getting the frequencies advertised.Īnd as for how you actually turn on XMP, we have an excellent article here describing it in detail. If you do that, and all other components in your PC are compatible, then you’ll have your RAM running at the fastest speeds available to it. You have to manually set the profile that you want in the BIOS to tell your RAM to actually run at the speeds it’s supposed to. XMP profiles aren’t automatically set when you install RAM. You Might Not Have Turned on XMPĪnd the final of the trio of main reasons why your RAM might not be running at full speeds is that you simply haven’t turned XMP on. There’s not much you can do other than getting a CPU that does support the RAM speeds you want. So if your CPU is the component that’s hampering your RAM performance, it’s the same deal as with a motherboard. Your CPU Might Not Support ItĪnother one of the three main reasons your RAM might not be running at full speeds is because your CPU doesn’t support it. It’s a bit of a tedious process and I don’t recommend doing it, but it can be done. Now, if you’re an advanced user and you have a motherboard that supports this functionality, you might be able to manually overclock your RAM above the maximum that your motherboard supports. However, most modern motherboards these days support a wide variety of frequencies, so you don’t have to worry about buying a high-speed RAM kit and only being able to run it at the default speeds.Įven if you don’t get the full speed of the RAM kit, you will still most likely be able to get very close. If your motherboard not supporting your RAM speeds turns out to be the issue, there’s not much you can do other than getting a whole new motherboard. So search up your motherboard model number and you’ll be able to see the range of RAM frequencies that it supports. It will run at the minimum standard speed of the RAM module-pretty much always 2133 MHz-and stay at that speed.Īnd when you turn on XMP, it will run at the highest speed offered to you by the motherboard-3466 MHz if we’re using the above example. If you bought a DDR4 RAM kit that touted speeds of 4000 MHz, it would not run at that speed if you used this motherboard. The max RAM frequency that it supports is 3466 MHz. There are three main reasons why your RAM might not be running at full speeds and motherboard incompatibility is one of the biggest ones. Why Your RAM Might Not Be Running at Full Speeds Your Motherboard Might Not Support It That’s what XMP profiles are in a nutshell. If your RAM has an XMP profile of 4000 MHz and your CPU only supports memory speeds of up to 3200 MHz, your RAM will only run at 3200 MHz. If your CPU does not support the frequencies of the XMP profile, your RAM will only run at the maximum speed supported by the CPU.Į.g. If you do not manually turn on the XMP profile, your RAM will run at the default standard speed, which will most likely be 2133 MHz if you have a DDR4 RAM kit and 4800 MHz if you have DDR5. If your CPU and motherboard support the frequencies of the XMP profile that the manufacturer has created for your RAM kit, you have to manually select and turn on the XMP profile in your BIOS to run the RAM at the frequency that was advertised. frequencies) that the RAM can safely run at if those frequencies are supported by the other components of the PC-chiefly the CPU and motherboard. XMP (eXtreme Memory Profile) are manufacturer verified overclocks (i.e. ![]() What Are XMP Profiles?īefore we talk about why your RAM might not be running at the frequencies that were advertised, we need to talk about how your RAM runs at those speeds in the first place.ĭon’t worry, I won’t get too technical, we have our other article explaining XMP in-depth for that. So I’m going to explain why that might be, and go over what you can do to make sure that your RAM runs at full speed. It should be pretty simple, right? If you bought a kit of 3200 MHz memory, the modules should run at 3200 MHz when you install them.īut unless you actually set them up to run at that frequency- assuming your other hardware is compatible-they’re only ever going to run at far lower frequencies-probably around 2133 MHz.
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