F5F Stay Refreshed Power Users Overclocking : Issues with Overclocking Asus ROG Strix Z390-H

: Issues with Overclocking Asus ROG Strix Z390-H

: Issues with Overclocking Asus ROG Strix Z390-H

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X
xshot13
Member
122
11-01-2025, 11:36 AM
#1
I have assembled the following setup:
MB Asus ROG Strix Z390-H
CPU i7-9700K (8 Cores up to 4.9 GHz Turbo unlocked LGA1151 300 Series 95W)
RAM HX432C16FB3K2/32 HyperX Fury 32GB 3200MHz DDR4 CL16 DIMM (Kit of 2)
I also incorporate some components from my previous machine:
Water cooler CoolerMaster Seidon 240V V3 Plus
Storage 4 SSD
Box Antec P280
Power supply Antec 380
I attempted to overclock the system using Asus BIOS manually, but I couldn't reach 4.5 GHz. When I allowed the BIOS automatic OC software to adjust the settings, it achieved 4.9 - 5.0 GHz, though it's not usable because the CPU core voltage rise reaches up to 1.429 volts and the temperature exceeds 100°C. The power consumption surpasses 200 watts.
I have a few questions:
- Can the CoolerMaster Seidon 240V V3 Plus handle 200 watts? No power rating is specified.
- During IntelBurnTest in high mode, I experience temperatures around 75°C, but spikes occur at 95°C. Is this safe? What causes it?
- In stress tests, power draw is about 100 watts and CPU temperature remains 75-80°C. Is this typical for a large water cooler?
- I’m unable to find a method to limit the CPU core voltage; when set to 1.165V, it appears to be the actual voltage during idle, but jumps to 1.25V or higher once load increases.
- I’m using HWMonitor 1.41 and Core Temp 1.15.1 for monitoring. The temperature readings differ significantly in the high range—HWMonitor shows a higher value. Which one is more accurate?
Looking forward to your response, Haim
X
xshot13
11-01-2025, 11:36 AM #1

I have assembled the following setup:
MB Asus ROG Strix Z390-H
CPU i7-9700K (8 Cores up to 4.9 GHz Turbo unlocked LGA1151 300 Series 95W)
RAM HX432C16FB3K2/32 HyperX Fury 32GB 3200MHz DDR4 CL16 DIMM (Kit of 2)
I also incorporate some components from my previous machine:
Water cooler CoolerMaster Seidon 240V V3 Plus
Storage 4 SSD
Box Antec P280
Power supply Antec 380
I attempted to overclock the system using Asus BIOS manually, but I couldn't reach 4.5 GHz. When I allowed the BIOS automatic OC software to adjust the settings, it achieved 4.9 - 5.0 GHz, though it's not usable because the CPU core voltage rise reaches up to 1.429 volts and the temperature exceeds 100°C. The power consumption surpasses 200 watts.
I have a few questions:
- Can the CoolerMaster Seidon 240V V3 Plus handle 200 watts? No power rating is specified.
- During IntelBurnTest in high mode, I experience temperatures around 75°C, but spikes occur at 95°C. Is this safe? What causes it?
- In stress tests, power draw is about 100 watts and CPU temperature remains 75-80°C. Is this typical for a large water cooler?
- I’m unable to find a method to limit the CPU core voltage; when set to 1.165V, it appears to be the actual voltage during idle, but jumps to 1.25V or higher once load increases.
- I’m using HWMonitor 1.41 and Core Temp 1.15.1 for monitoring. The temperature readings differ significantly in the high range—HWMonitor shows a higher value. Which one is more accurate?
Looking forward to your response, Haim

4
44Judith
Junior Member
15
11-01-2025, 11:36 AM
#2
Start with a different PSU, an Antec 380W won't work well or safely for today's systems, particularly high-end ones like yours.
What is your GPU?
The best PSUs are Seasonic Focus/Prime and Corsair RM/TX/CX.
The power needed will vary based on your GPU.
4
44Judith
11-01-2025, 11:36 AM #2

Start with a different PSU, an Antec 380W won't work well or safely for today's systems, particularly high-end ones like yours.
What is your GPU?
The best PSUs are Seasonic Focus/Prime and Corsair RM/TX/CX.
The power needed will vary based on your GPU.

M
Moosecrafts
Junior Member
48
11-01-2025, 11:36 AM
#3
Use HWinfo for precise reading.
M
Moosecrafts
11-01-2025, 11:36 AM #3

Use HWinfo for precise reading.

R
rosezelta
Junior Member
17
11-01-2025, 11:36 AM
#4
PSU Hierarchy 2020 – Tiers of Power Supply Unit
R
rosezelta
11-01-2025, 11:36 AM #4

PSU Hierarchy 2020 – Tiers of Power Supply Unit

A
AviciiPL
Member
90
11-01-2025, 11:36 AM
#5
The PS is only a temporary fix. Once the full system functions as intended, I plan to use my HydroX 650W. Right now, everything on the board is just an M2 SSD for the OS. I’ll be using the HWinfo. It looks like there might be cooling issues—I’m not sure if that’s correct. If I reduce the power to 100 watts while keeping the CPU under 70, it should work with a 240V V3 Plus.
A
AviciiPL
11-01-2025, 11:36 AM #5

The PS is only a temporary fix. Once the full system functions as intended, I plan to use my HydroX 650W. Right now, everything on the board is just an M2 SSD for the OS. I’ll be using the HWinfo. It looks like there might be cooling issues—I’m not sure if that’s correct. If I reduce the power to 100 watts while keeping the CPU under 70, it should work with a 240V V3 Plus.

W
WeedMan99
Junior Member
48
11-01-2025, 11:36 AM
#6
The watercooling is quite old, lasting between 3 to 5 years. Apply Grizzly Kryonaut thermal paste with a strong fan curve.
W
WeedMan99
11-01-2025, 11:36 AM #6

The watercooling is quite old, lasting between 3 to 5 years. Apply Grizzly Kryonaut thermal paste with a strong fan curve.

P
PryXy
Junior Member
29
11-01-2025, 11:36 AM
#7
The 240V V3 Plus is three years old, is there a method to verify it? It activates its blue LED and you can hear the pump operating. In any scenario, what is the optimal cooling solution under 100 degrees?
P
PryXy
11-01-2025, 11:36 AM #7

The 240V V3 Plus is three years old, is there a method to verify it? It activates its blue LED and you can hear the pump operating. In any scenario, what is the optimal cooling solution under 100 degrees?

N
Night_people
Member
100
11-01-2025, 11:36 AM
#8
I'd personally choose it under $100, especially for a 250+W TDP model like the Noctua D15 89. It works well compared to most AIOs.
https://www.newegg.com/noctua-nh-d15/p/N82E16835608045
N
Night_people
11-01-2025, 11:36 AM #8

I'd personally choose it under $100, especially for a 250+W TDP model like the Noctua D15 89. It works well compared to most AIOs.
https://www.newegg.com/noctua-nh-d15/p/N82E16835608045

X
xXPANDA_101Xx
Junior Member
45
11-01-2025, 11:36 AM
#9
Thanks, I believe I could improve the build and get myself the Kraken X53. Does anyone here know about that cooler?
I’m having trouble with the board’s power supply, especially setting the CPU Core Voltage. No matter what I do in the BIOS, it keeps increasing. I’ve seen some YouTube OC videos for my specific model, but even after trying them, I can’t get a steady voltage setting.
Has anyone faced this issue before?
I’d really appreciate advice from someone who has used this board.
X
xXPANDA_101Xx
11-01-2025, 11:36 AM #9

Thanks, I believe I could improve the build and get myself the Kraken X53. Does anyone here know about that cooler?
I’m having trouble with the board’s power supply, especially setting the CPU Core Voltage. No matter what I do in the BIOS, it keeps increasing. I’ve seen some YouTube OC videos for my specific model, but even after trying them, I can’t get a steady voltage setting.
Has anyone faced this issue before?
I’d really appreciate advice from someone who has used this board.

B
Big_Greg96
Junior Member
27
11-01-2025, 11:36 AM
#10
Modify the LLC configuration so it doesn't require constant operation. Certain parameters aren't suitable for continuous use, such as the highest settings typically used for LN2 overclocking.
B
Big_Greg96
11-01-2025, 11:36 AM #10

Modify the LLC configuration so it doesn't require constant operation. Certain parameters aren't suitable for continuous use, such as the highest settings typically used for LN2 overclocking.

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