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HP Recommended
OMEN by HP Obelisk Desktop 875-1045m CTO
Microsoft Windows 10 (64-bit)

I have an Omen by HP Obelisk CTO Desktop 875-1045m with an AMD Ryzen 7 3700X CPU that I purchased in early 2020. It is NOT one of the newer 25L models with the flat front cases, this is the older style.

The case has a single 92mm fan on the back. I see no option for mounting another fan. Was there supposed to be a mounting bracket on the top of the case for mounting an optional 120mm fan?

 

The reason I ask is because I have seen several posts and videos showing a bracket attached to the top of Omen cases - old style like mine - that can be removed with 4 panels that can be "punched" out allowing for the mounting of a 120mm fan (air cooled and AIO) but I do not have that bracket.

 

Was this bracket only provided on cases that were configured with the Intel processors?

 

Is there no easy option for adding additional fans to the case that were already provided by the HP engineers via the original case design without cutting or drilling or some other "creative" method?

3 REPLIES 3
HP Recommended

hi

https://www.youtube.com/watch?v=Sm9q-2lcbgg

I haven't seen that here, do I?

but just because some have done it doesn't mean it's the right thing to do
you already have a ventilation system, with a fan at the back which evacuates the air to the outside, the air entering through the various locations provided for
with a fan at the level of the power supply which must also evacuate to the outside
Plus graphics card fans and CPU cooling (liquid or fan)
If you add a fan on top, it will most likely disrupt the original airflow.
if the rear fan rotates less quickly, and being smaller, the one placed above as you say, will necessarily disturb the air circulation, and the other fans..
It's up to you, but if you have an overheating problem, maybe look elsewhere

but if you want maybe this help :

https://h30434.www3.hp.com/t5/Gaming-Desktops/Rear-FAN-and-intake-FAN-upgrade/td-p/7568440

 

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Desktop-Knowledge-Base
Windows 11 22h2 inside , user

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HP Recommended

Thank you for sharing that video and additional information on proper cooling. The panel that is missing from my Omen is clearly visible in the section discussing the removal of the front I/O module and this is the panel that I would like to replace.

hrdub_0-1649511514574.png

I see that there are mounting locations for this panel, but my Omen is missing this panel completely and I am curious if this is because I chose an AMD processor vs. an Intel?

 

If the case was designed to have this panel in place in order to manage air flow and mine is missing then I would like to be able to add this panel back. Unfortunately my Omen is long out of warranty and I am only just discovering this now.

 

I have been unable to find a specific part number for this single panel shown above that I can order, regardless of whether I chose to punch out the panels and add a fan or not. I would simply like to know that my case is configured as the HP engineers intended.

 

To be fair I have not yet contacted HP support to inquire, I though first to ask the community.

HP Recommended

hi

the question often comes up here if you do a search, there are a few topics


But I wonder if not indeed a series story, another thread here with images

https://h30434.www3.hp.com/t5/Gaming-Desktops/Where-how-to-install-additional-120mm-fan-in-Omen-Obel...
I can't find much for this specific problem you mentioned.

 

 

 

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Desktop-Knowledge-Base
Windows 11 22h2 inside , user

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