Thoughts on unorthodox GPU mount ? (et alia)

doyll said:
GPU Gelid adaper is powered by GPU, not PSU?
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I guess so. We're talking about the PWM Fan Adaptor for VGA Cooler Fan (CA-PWM-02) https://gelidsolutions.com/thermal-solutions/accessories-pwm-fan-adaptor/. It's rather basic. It just needs a PWM y-splitter. Got a bunch of ETSAMOR 10.5 inches 4 Pin PWM Fan Extension Cable Connectors https://www.best-book-price.co.uk/p...+5+inches+4+Pin+PWM+Fan+Extension+Cable+.html. They should do the job no ?
Have been unable to find out fan information on AMD site, but Googling seems to indicate the fans are "FirstD FD8015H12S", so that would be 12 V 0.32 a. Would be good if someone could confirm this though...
doyll said:
Are they all running on same fan circuit?
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Sorry, but don't see what you're referring to here...
doyll said:
Which Silent WIngs fans do you have?
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be quiet! Silent Wings 3 120mm PWM High-Speed, BL070

One reason why I'm interested in plugging them in the GPU would be to take off some of the load of the Thermaltake fan hub. There's already 6 silent wings plugged in it (3 front intake, 1 rear exhaust and 2 fans replacing stock CPU cooler). I'm a bit weary of this 1a limit in the mobo header...
 
I understood exactly what you were talking about with PWM Fan Adaptor for VGA Cooler Fan (CA-PWM-02) https://gelidsolutions.com/thermal-solutions/accessories-pwm-fan-adaptor/.

So GPU fans rated 0.32A. Silent Wings 3 PWM high speed are rated 0.16a running up to 0.37a at startup.

Are all GPU fans plugged into on fan header? If more than one header are all fan headers on same wiring circuit on PCB?
A circuit is the path the electricity flows on. If you look at top or bottom of a PCB (printed cirucut board )you can see lines. these line are circuits, usually copper often called traces. Electricity flows on these cirucit from source to controller to whatever they power. In this case fans.

Now if you put plug too many fans into on socket / circuit it will overload it heating it up until it burns out.

Safest way to power and control your Silent Wings 3 120mm PWM high speed fans is with an adapter like you listed plugged into a Gelid PWM 1-to-4 Splitte I linked above. With it the fans will be powered by PSU and controlled by PWM signal from GPU through adapter you liked plugged onto GPU and splitter I linked.

I know that is safe.

I do not know how safe it would be to use the GPU to fan adapters you linked to.
 
doyll said:
Safest way to power and control your Silent Wings 3 120mm PWM high speed fans is with an adapter like you listed plugged into a Gelid PWM 1-to-4 Splitte I linked above. With it the fans will be powered by PSU and controlled by PWM signal from GPU through adapter you liked plugged onto GPU and splitter I linked.
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Just to make sure I understand you correctly : the "adapter like you listed" is the PWM Fan Adaptor for VGA Cooler Fan right ? This I plug into the GPU. Other side to the PWM 1-to-4 Splitte you listed. The latter do I plug it directly into the mobo or can I add it to the other fans hooked up to the Thermaltake usb hub?

The following post https://forums.overclockers.co.uk/threads/overloading-cpu-fan-header-compatability.18892196/ suggests a SATA powered Akasa FLEXA FP5S 5 FAN PWM CONTROLLER (AK-CBFA07-45). Could this be used together with the usb hub in order to reduce risk of overload?
 
ioverclockers said:
Just to make sure I understand you correctly : the "adapter like you listed" is the PWM Fan Adaptor for VGA Cooler Fan right ? This I plug into the GPU. Other side to the PWM 1-to-4 Splitte you listed. The latter do I plug it directly into the mobo or can I add it to the other fans hooked up to the Thermaltake usb hub?

The following post https://forums.overclockers.co.uk/threads/overloading-cpu-fan-header-compatability.18892196/ suggests a SATA powered Akasa FLEXA FP5S 5 FAN PWM CONTROLLER (AK-CBFA07-45). Could this be used together with the usb hub in order to reduce risk of overload?
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You listed the GPU fan plug to normal PWM fan socket adaptor.

You don't say how many fan headers your GPU has and even if you have 2 we don't know how they are powered, so won't recommend plugging both fans into GPU. You don't say (assume don't know) if all are being powered on on trace on your GPU PCB. So we dont' know if it would be safe to use individual GPU PWM plug to PWM socket adapters. So I don't know for sure if it's safe to use

Plug Gelid PWM 1-to-4 splitter I suggested into GPU to PMW adapter for PWM control of fans and plug power lead on PWM 1-to-4 splitter into PSU cable.

Maybe you don't understand how PWM fnas work, so just is case .. Pin 4 (the 4th pin in PWM plug/socket) is PWM signal control. Pin-3 is rpm signal from fan, Pin-2 12v constant power and Pin-1 is ground. PWM fans have a PWM control unit in them that uses PWM signal to control how fast/slow how long/short they pulse 12v power to fan motor. The fast/longer the pulse the faster fan runs.

The Gelid PWM 1-to-4 splitter plugs into PSU for 12v power and into fan header for PWM signal and rpm signal from 1 fan to fan header.

The above suggest setup will not overload anything. All power comes directly from PSU.
 
doyll said:
You don't say (assume don't know)
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indeed, I'm new to this and can't find this info on AMD's site so dunno where to get it...
doyll said:
Plug Gelid PWM 1-to-4 splitter I suggested into GPU to PMW adapter for PWM control of fans and plug power lead on PWM 1-to-4 splitter into PSU cable.
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Good, so will go with this...

Question related to other case fans (still silent wings) : how to make sure there's no overload on CPU fan header ? Is this 1a limit something written in stone ? Would plugging 6 case fans in Thermaltake solve this ? Or should I get like 2 other Gelid PWM 1-to-4 splitters as a replacement for the Thermaltake usb hub ?
 
ioverclockers said:
indeed, I'm new to this and can't find this info on AMD's site so dunno where to get it...

Good, so will go with this...

Question related to other case fans (still silent wings) : how to make sure there's no overload on CPU fan header ? Is this 1a limit something written in stone ? Would plugging 6 case fans in Thermaltake solve this ? Or should I get like 2 other Gelid PWM 1-to-4 splitters as a replacement for the Thermaltake usb hub ?
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Most fan headers are safe up to about 1 amp, but most motherboard companies don't publish their rating.

Keep in mind amp rating on fans is running load amps. Startup draws 3-5 times more for fraction of a second. I have seen/heard of quite a few people burning out fan headers and noticiing it when they start their computer .. because that is when 2x fans rated 0.5amp can be drawing 2.5amp and burn out the fan header. Using PWM hubs / splitter like Gelid allows us to run up to about 8 fans on a single PWM control. before signal doesn't work like it should to control fan speed. Sometimes a few more, sometimes a few less.

As long as you only run 1 or 2 fans on each motherboard fan header you should be fine. I do not use anything Thermalfake/ thermaltake. I tried their products several times and none worked as they should have. I would use PSU powered PWM splitters, either hubs or splitters like Gelid if I needed to run more than 2 fans on a header. Search here on OcUK store for "PWM splitter hub" to find more options.

You only need good intakes and block holes not covered by fans in front half of case to have plenty of cooling. Exhaust fans don't help much. In fact most of the time just front intakes setup like I suggested cool at same temps as intake and exhaust at same noise levels.
 
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doyll said:
Using PWM hubs / splitter like Gelid allows us to run up to about 8 fans on a single PWM control.
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Interested in the tech side of this. How come a PWM hub plugged into the same 1amp limited fan header (with f.ex. 2x fans rated 0.5amp that can be drawing 2.5amp) doesn't burn it, but individual fans do?
doyll said:
Search here on OcUK store for "PWM splitter hub" to find more options.
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I just did, but didn't find anything :confused:.

Anyway, did some more homework and inserting link to fan related page from mobo manual. Turns out there's like 5 ordinary fan headers and even 1 high-amp one supporting up to 3amp !! Don't see the difference between CPU_FAN and CHA_FAN though. In such a scenario, could I just plug all of my 6 case fans into either the thermalT/Fake into the 3amp H_AMP header ? At startup they would max out at 2.22 amp, there's a lot of leverage left here. The GPU ones I could then plug in the Gelid splitter in the ordinary 1amp header ... Or even just use an ordinary PWM y splitter on the Gelid adapter I linked to and plug this into an ordinary 1amp header ? I mean these two GPU fans will never get over 1amp anyway? In this case they'd be drawing power from the mobo and not SATA.
https://ibb.co/3Ct6vZs
 
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ioverclockers said:
Interested in the tech side of this. How come a PWM hub plugged into the same 1amp limited fan header (with f.ex. 2x fans rated 0.5amp that can be drawing 2.5amp) doesn't burn it, but individual fans do?

I just did, but didn't find anything :confused:.

Anyway, did some more homework and inserting link to fan related page from mobo manual. Turns out there's like 5 ordinary fan headers and even 1 high-amp one supporting up to 3amp !! Don't see the difference between CPU_FAN and CHA_FAN though. In such a scenario, could I just plug all of my 6 case fans into either the thermalT/Fake into the 3amp H_AMP header ? At startup they would max out at 2.22 amp, there's a lot of leverage left here. The GPU ones I could then plug in the Gelid splitter in the ordinary 1amp header ... Or even just use an ordinary PWM y splitter on the Gelid adapter I linked to and plug this into an ordinary 1amp header ? I mean these two GPU fans will never get over 1amp anyway? In this case they'd be drawing power from the mobo and not SATA.
https://ibb.co/3Ct6vZs
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PWM fan hubs / splitter I have suggested do not use anything in PWM fan header but PWM signal and send 1 rpm signal to motherboard. ALL POWER TO RUN FANS IS SUPPLIED BY SPLITTER LEAD PLUGGED INTO PSU.

CPU fan header uses CPU temp sensor for fan to temp curves
ChA fan header uses some other temp sensor for fan to temp curves

Maybe try "PWM fan splitter"
Then sort by price low to high

https://www.overclockers.co.uk/akasa-ak-cb002-pwm-fan-splitter-cable-cb-031-ak.html

https://www.overclockers.co.uk/ek-water-blocks-ek-cable-splitter-4-fan-pwm-extended-wc-9cq-ek.html
 
doyll said:
ALL POWER TO RUN FANS IS SUPPLIED BY SPLITTER LEAD PLUGGED INTO PSU.
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okidoki. So basically I can choose between the Gelid one, the Akasa one and the EK one right ? So this would be ok for the GPU fans.
How about my idea of plugging remaining case fans thru Thermaltake in the H_AMP header ? That sounds like the most reasonable solution no ?
 
No idea about Thermalfake and H_AMP header. Don't even know what H_AMP is or what temp source it uses to control fans.
 
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