F5F Stay Refreshed Hardware Desktop The i9 12900K supports up to 128GB of DDR4 memory.

The i9 12900K supports up to 128GB of DDR4 memory.

The i9 12900K supports up to 128GB of DDR4 memory.

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TJShadowMage
Junior Member
11
03-10-2021, 03:24 AM
#1
Intel’s site mentions a specific memory configuration for the 12900K, indicating a maximum rate of 4800 MT/s for DDR5 RAM. This suggests that when using XMP profiles, the memory might be pushed beyond its intended limits, potentially overloading the CPU’s memory controller. These details help clarify how performance settings interact with hardware capabilities.
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TJShadowMage
03-10-2021, 03:24 AM #1

Intel’s site mentions a specific memory configuration for the 12900K, indicating a maximum rate of 4800 MT/s for DDR5 RAM. This suggests that when using XMP profiles, the memory might be pushed beyond its intended limits, potentially overloading the CPU’s memory controller. These details help clarify how performance settings interact with hardware capabilities.

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DarkRealChaos
Junior Member
31
03-13-2021, 11:27 PM
#2
Higher performance is seen as an overclock. The motherboard guides will show faster settings with OC options.
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DarkRealChaos
03-13-2021, 11:27 PM #2

Higher performance is seen as an overclock. The motherboard guides will show faster settings with OC options.

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teatreep
Member
66
03-14-2021, 09:33 AM
#3
Official backing and the CPU's abilities are distinct concepts. Concerning pressure on the memory controller, it’s usually not a major issue since XMP mainly adjusts RAM voltage rather than SOC voltage settings.
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teatreep
03-14-2021, 09:33 AM #3

Official backing and the CPU's abilities are distinct concepts. Concerning pressure on the memory controller, it’s usually not a major issue since XMP mainly adjusts RAM voltage rather than SOC voltage settings.

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X_FastGamer
Member
159
03-14-2021, 02:20 PM
#4
It may raise the imc but it doesn't count until you hit the safe max voltage for a ram overclock. Anything above 4800 is seen as an OC, but if your rams are barely running then you're either making a mistake or chasing tight timings—slow ddr5 will likely fail against ddr4
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X_FastGamer
03-14-2021, 02:20 PM #4

It may raise the imc but it doesn't count until you hit the safe max voltage for a ram overclock. Anything above 4800 is seen as an OC, but if your rams are barely running then you're either making a mistake or chasing tight timings—slow ddr5 will likely fail against ddr4

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Flowman_
Junior Member
12
03-15-2021, 11:37 AM
#5
6400 works with most CPUs and some motherboards, but higher speeds aren't always ensured or supported
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Flowman_
03-15-2021, 11:37 AM #5

6400 works with most CPUs and some motherboards, but higher speeds aren't always ensured or supported