F5F Stay Refreshed Hardware Desktop Adjusting RAM speed and latency can improve system performance.

Adjusting RAM speed and latency can improve system performance.

Adjusting RAM speed and latency can improve system performance.

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Henriquedc12
Junior Member
17
09-12-2022, 11:19 AM
#1
I’m just starting out with RAM and overclocking. My recent setup includes a 9800X3D, Corsair Vengeance 6400MHz CL32, and an X870E Aorus Elite. I understand the ideal speed range for AMD 7000/9000 chips is typically around 6000MHz CL30, but I’m curious if achieving a 1:1 MLCK ratio (around 2133.33) would help. I’ve heard it might depend on factors like chip quality. If I can’t reach 6400 at 1:1, should I change my RAM to 6000MHz CL30? Would just setting the speed to 6000 in Expo and adjusting timings be enough, or would I need more complex testing? Are there third-party tools for adjusting MLCK, ULCK, and FLCK, or can I manage everything via BIOS? For CL30 speeds, do I need to copy the original Corsair timings (like 30-36-36-76), or is it okay to stick with 6400 at 32MHz? Thanks for the helpful forum!
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Henriquedc12
09-12-2022, 11:19 AM #1

I’m just starting out with RAM and overclocking. My recent setup includes a 9800X3D, Corsair Vengeance 6400MHz CL32, and an X870E Aorus Elite. I understand the ideal speed range for AMD 7000/9000 chips is typically around 6000MHz CL30, but I’m curious if achieving a 1:1 MLCK ratio (around 2133.33) would help. I’ve heard it might depend on factors like chip quality. If I can’t reach 6400 at 1:1, should I change my RAM to 6000MHz CL30? Would just setting the speed to 6000 in Expo and adjusting timings be enough, or would I need more complex testing? Are there third-party tools for adjusting MLCK, ULCK, and FLCK, or can I manage everything via BIOS? For CL30 speeds, do I need to copy the original Corsair timings (like 30-36-36-76), or is it okay to stick with 6400 at 32MHz? Thanks for the helpful forum!

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A_total_noob
Member
132
09-12-2022, 02:46 PM
#2
Not every CPU supports this feature. Typically, just enable EXPO/XMP and adjust manually. Stability testing is wise during overclocking, though it's unnecessary if you're only using a gaming PC without other components. Yes and no—when EXPO/XMP is active, it will handle it automatically. A manual overclock requires precise adjustments for frequency, clock speeds, and voltage. It makes sense, but if you only tweak the frequency (and don’t have multiple profiles), it likely adopts the higher frequency’s timings.
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A_total_noob
09-12-2022, 02:46 PM #2

Not every CPU supports this feature. Typically, just enable EXPO/XMP and adjust manually. Stability testing is wise during overclocking, though it's unnecessary if you're only using a gaming PC without other components. Yes and no—when EXPO/XMP is active, it will handle it automatically. A manual overclock requires precise adjustments for frequency, clock speeds, and voltage. It makes sense, but if you only tweak the frequency (and don’t have multiple profiles), it likely adopts the higher frequency’s timings.

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subtendedmoss
Member
62
09-13-2022, 09:08 PM
#3
1. Understand the basics of your setup.
2. Identify the timing you need—here it’s CL32.
3. Follow the instructions for that specific timing.
4. Check if other settings apply to lower frequencies.
5. Confirm everything works as expected.

The last part means using the higher frequency timing (CL32) for this task.
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subtendedmoss
09-13-2022, 09:08 PM #3

1. Understand the basics of your setup.
2. Identify the timing you need—here it’s CL32.
3. Follow the instructions for that specific timing.
4. Check if other settings apply to lower frequencies.
5. Confirm everything works as expected.

The last part means using the higher frequency timing (CL32) for this task.