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11-08-2020 10:49 AM #1ROG Junior Member Array JonnyB1989 PC Specs
JonnyB1989 PC Specs Laptop (Model) GL752VW Motherboard Zenith II Extreme Processor AMD Threadripper 3960X Memory (part number) 64 GB Corsair Dominator Platinium RGB CL16 Graphics Card #1 ASUS ROG STRIX RTX 3090 Gaming OC Sound Card Creative Sound BlasterX AE-7 Monitor Asus ROG SWIFT PG278Q Storage #1 Samsung 960 Pro 512 GB Storage #2 Crucial MX500 2TB CPU Cooler Watercoll Heatkiller IV Pro Theradipper Case Colermaster Cosmos C700M Power Supply Seasonic XPS3 860 Watt Keyboard Corsair K95 Mouse Logitech G502 Powerplay Headset Beyerdynamic TYGR 300 R Mouse Pad Logitech Powerplay Headset/Speakers Teufel Concept E Magnum Power Edition 5.1 OS Windows 10 
- Join Date
- Nov 2017
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- 10
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ROG Thor 1200W fanbearing noise and funky 0 db mode behavior
I got my Rog Thor 1200 watt psu last friday and i'm noticing some issues:
1. The fanbearing makes some grinding noises, wich is annoyig and unaceptable for a 350€ psu. Heard of ballbearing or noctua fans?
2. The fan behavior with the 0dB feature is more than annoying, the fan each time when its turning on does a startupbost wich is over 40 DBa.
Making the 0 db feature useless. Is that normal behavior?
The psu i had before this pice of grabage, was a 860 Watt Seasonic Psu where the 0db fan didn't make the startboost, so it was quiet and the fan bearing was better too. The only thing that i had to change the psu is that the 860 Watt unit isn't enough for a Threadripper 3960X and a RTX 3090 OC.
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02-24-2021 09:18 PM #2ROG Enthusiast Array EncodeGR PC Specs
EncodeGR PC Specs Motherboard Asus ROG Maximus XIII Hero Processor Intel Core i7-11700K Memory (part number) Kingston HyperX Predator RGB 32GB (4x8GB) DDR4 3600MHz CL17 Memory Kit - Black (HX436C17PB4AK4/32) Graphics Card #1 MSI GTX 1070Ti Gaming X 8GB Sound Card Creative Sound Blaster Z Monitor Dell Ultrasharp U2520D 25" QHD IPS Storage #1 Samsung 980 Pro M.2 Nvme PCIe 4.0, 500 GB Storage #2 Samsung 970 Evo Plus M.2 Nvme PCIe 3.0, 1 TB CPU Cooler Noctua NH-U12A Case Phanteks Enthoo Evolv X Glass - Black Power Supply Asus ROG Thor 850W Platinum Keyboard Logitech G915 TKL Lightspeed, Tactile Mouse Razer Basilisk V2 Headset Sennheiser Game-Zero Headset Mouse Pad Asus ROG Sheath XL Headset/Speakers Logitech Z333 2.1 Speakers OS Windows 10 Pro 64-bit Accessory #1 Noctua NF-A14 PWM (x6) Accessory #2 Phanteks Halos Lux Accessory #3 Phanteks Neon Digital-Rgb
- Join Date
- Feb 2021
- Reputation
- 20
- Posts
- 55
I hear the same annoying bearing sound too.
Isn't it possible to swap the fan ? Cause i was thinking about it.
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03-07-2021 01:37 PM #3New ROGer Array
- Join Date
- Feb 2021
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- 10
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#1 - The fan bearing noise isn't too bad on mine, although I do know what you're talking about. I have the 1200 and the 850, both suffer from this issue.
Originally Posted by JonnyB1989
#2 - My 850 does not have this problem but the 1200 does... odd... I just leave the fan on all the time.
My 1000W Seasonic Plat was great at 0db however the fan was so loud... I've found the 850 to probably be the best as far as noise is concerned, however my 12V values that HWinfo reports says they are at 11.7/11.8 on my 3090 which is too low for my liking which is why I bought the 1200. It sits at 11.9/12/12 at full load on all 3 GPU 8-pin connectors.
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