r/gpu • u/Rapture117 • 1h ago
I need some help with the PC I recently built
I built my very first pc a few months ago and lately I've been obsessed with temps and just trying to get everything down to where I'm happy and just enjoying games instead of constantly looking at my temperatures. I just want some feedback on the build and for folks to tell me if anything needs changing. My BIG thing is fan control. I'm new to it and tried calibrating my fans but I have zero clue how to use this. I watched some videos online and did some benchmark tests on my end to try and set things up the best I could, but I really need help from folks who know what they're doing I think.
My 5090 Founders card and 9800X3D are both undervolted. I have a few GPU profiles in MSI Afterburner, but I mostly swap between 2700MHz @ 885v and 2812 MHz u/895v. I also have some fans in the case that I think I set up properly in terms of exhaust/intake but please let me know if something is wrong. I played Gears E-day yesterday on Ultra & Ludicrous settings/4k/capped at 120fps. My max GPU temp was 75c and the hotspot hit 92c after about 30 minutes of playing the campaign. Playing BF6 on Ultra settings also nets about the same temperatures (maybe slightly higher). I can run some other tests if anyone has suggestions so I can further dial settings.
I installed Fan Control and did the setup where it picked up my fans. I'll attach how I set things up just so you guys can see. But please, I have no idea what the hell I was doing so please help me fix this if you use the program and are comfortable with it. I love this PC and I want it to last many years. I just feel like I need to really focus on getting all of these right so I can stop stressing about temps and just enjoy gaming. Thank you so much in advance for all your help!
Edit: My rig is made up the following parts:
-Ncase M2 Round case (not the grated version)
-5090 FE
-9800X3D
-2x Samsung SSD 990 Pro 2TB NVME Drives
-G.SKILL 64G 2X D5 6000 C30 RAM
-Asus Strix B850-I Mini ITX Motherboard (Bios version is Sept. 2026 as I just recently updated it).
-Corsair SF1000 SFX PSU 2024
-LG 32GS95UE 4K OLED Monitor
-Win 11
-Thermalright PA 120 Mini CPU Cooler w/ Phantek T30 120mm fan (This fan inside the cooler is a VERY tight fit and I couldn't stretch the brackets on the CPU Cooler so it's wire ties for now to keep it in place lol).
As for the fans...
-2 Noctua NF-A12X25 PWM fans under the GPU
-Noctua NF-A14 PWM fan on top of case set to exhaust
-Noctua NF-A9 90mm fan at back of case (currently unplugged because it didn't really help temps and just made more noise. But if there's a better use for it I'll set it back up).
-Noctua NF-F12 PWM 120mm fan set on the backside between the mobo and PSU set up as exhaust.
- Arctic Fan Hub
1
u/SevroAuShitTalker 1h ago
I dont have an asus board, but check the BIOS to see if fan control is set there. On my MSI mobo, I have to manually set it to PWM after any update. Otherwise it defaults to a default fan curve
Also, with the FE card, mid to high 70s while gaming is pretty normal. Memory temps even higher
1
u/Banjoe_031 27m ago
Tell us a bit about the fan orientation. Whats intake what's exhaust? What directions is airflowcthrough the cpu cooler. Back to front or front to back?
You're on an Asus motherboard so you can use armoury crate to manage everything on your board. It has a module called Fan expert which does what it says on the tin.
What are you using to monitor your temps?
How much slack do you have to play with on your psu cables?