How Can I Push My Memory by Manually Overclocking?

How Can I Push My Memory by Manually Overclocking?

For our default XMP, we chose to be a bit more conservative, allowing some performance to be left on the table in many scenarios. Our goal was to ensure optimal compatibility with most CPU and motherboard configurations. For many enthusiast overclockers, it's not enough, and they need to push builds to the limit of what their hardware can achieve. This is fine, and you can try it at home, don't worry about the overclock failing.

All motherboards have either an overclock failure recovery where it will reset to defaults should an overclock not boot, or you simply clear the CMOS to get a fresh start. However, overclockers should be careful with voltage and ensure it's in a safe range.

Here are some tips for memory clocking, should you try it at home that exceed what our performance profile offers:

  1. DRAM Frequency: The major speed for DRAM, e.g DDR4-4400MHz, DDR5-6200MHz.
  2. CAS Latency: The major value of DRAM timing, e.g CL19-19-19-39.
  3. DRAM Voltage: The major input voltage for DRAM, e.g 1.45v, 1.5v... etc.
  4. CPU Voltage: VCCIO and System agent voltage; this will add voltage on the motherboard voltage rails to support memory controller (IMC) stability in many scenarios.

As an example, we will show our best-in-class DDR4 - Viper Steel 4400 16GB kit to teach you how we hit DDR4 4600MHz with tighter timings.

CPU: Intel i9 10900K (set it as default)

Motherboard: ASUS Maximus XII Apex Z490

  1. Set DRAM Frequency to 4600MHz.

     2.  Set CAS latency timing: 18-22-42.

     3.  Set DRAM voltage to 1.5v VCCIO and System Agent Voltage both to 1.55v.

Reading next

How to Set Up Your PC Before Overclocking Memory
How to Pick the Right Mousepad

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