Potential for i7 9700K overclocking
Potential for i7 9700K overclocking
Hi, your new CPU and motherboard setup looks solid. With a Gigabyte Z390 UD and NZXT C750 PSU, you should be able to hit stable speeds around 5.0–5.1 GHz on your board. Since you don’t have an ASUS Prime board, performance might be slightly lower, but still solid. For the Noctua D15S or Cooler Master MasterLiquid 240L, expect decent OCs—around 4.8–4.9 GHz should work well.
The poorest bins typically sit near 1.35 volts and 4.8 gigahertz, but 5.1 usually ranks in the top 20%.
Your motherboard appears to be in good condition based on what you've shared.