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This is something to keep in mind if you experience any instability. No automatic configuration can account for outside factors, though, such as a CPU overclock. The timings, voltage and frequency are set to compliment each other and mitigate much of the instability that can creep up with a manual overclock.

With XMP the configurations included are thoroughly tested for the specific memory you are using, however. Is XMP stable?Īny time overclocking is involved, there is a risk of instability. XMP 3.0 also offers two user-configurable profiles for your own fine-tuning. It's worth noting that these XMP profiles are set by the manufacturer, so may differ between memory sticks. The third profile is usually similarly set up for more extreme memory, too. The second profile often contains more extreme settings that offer a much higher level of performance. These settings enable only a modest overclock and are also the most stable. The first profile usually contains enthusiast settings these allow your memory to run at the rated speed advertised on the box. XMP supported modules contain two or three factory set memory profiles, depending on which version of XMP you have available. You can confirm your new overclock using a program such as CPU-Z. To enabled XMP, simply select one of the profiles, save your settings and reboot. It offers up to three XMP profiles as standard and a further two customisable user profiles.

XMP: 3.0: This was launched alongside DDR5 memory.

XMP 2.0: This is common for DDR4 memory.

There are two major versions of XMP in use today, and which one you can use depends on your memory and platform: These profiles may provide different levels of overclocking, which can all be checked via the BIOS. XMP profiles can be accessed from within the BIOS on supported motherboards. XMP profiles essentially allow high-performance RAM, which run above industry DDR specifications, to be appropriately set up for your system. It also corrects for the extra voltage required which provides a stable overclock with the click of a button. XMP is an extension of SPD which provides higher frequencies and tighter timings for your memory to run at. Your BIOS will use a small chip on your RAM modules called an SPD (serial presence detect) chip to set memory timing and frequencies properly. Your computer needs to know the model of your RAM as well as which timings and frequency to set. Part of this process includes automatically configuring installed hardware, including your memory.

When you power on your computer, it conducts a power-on self-test.