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Fan controller question

post #1 of 10
Thread Starter 
I thought 75W is the limit for the whole cable of molex connectors? Connecting a 4-channel 20-Watt/channel Rheobus means that it can go up to 80 Watts, what more if using the Rheobus Extreme which can go up to 180 (6x30) Watts.

Is there a workaround on this?
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post #2 of 10
Are you going to exceed that with the fans you are using though? Probably not.
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post #3 of 10
Thread Starter 
Yeah, probably not. But how can you use the max capacity of that specific fan controller if the cable max rating is the bottleneck?
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post #4 of 10
I would imagine the answer is you can't if you're exceeding the available current from the PSU, but I'm sure even my panaflo's are only 6w or something so I doubt it'll be an issue.

Plus if you're not using them all on full power you presumably won't be drawing 30w per channel.
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post #5 of 10
You can get add up two cables togetherlike this:
/-------75W
150W
\\-------75W
..and you'll have 150W at the 150W molex connector. Still, I think you are able to run 10A thru a 12v yellow wire, so the real max (per MOLEX) would be 120W plus whatever the +5V rail can give.
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by dragosmp View Post
You can get add up two cables togetherlike this:
/-------75W
150W
\\-------75W
..and you'll have 150W at the 150W molex connector. Still, I think you are able to run 10A thru a 12v yellow wire, so the real max (per MOLEX) would be 120W plus whatever the +5V rail can give.
Ok, but how would you connect two cables together? Soldering inside the PSU?
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post #7 of 10
I have no problems with 2 panaflo's, an S Flex, two 180mm silverstones and a PCI exhaust fan so I don't think there's any need to worry. Think my cathode's are on the same cable too.

I'm soon to be importing a higher power 150CFM 180mm Silverstone and a 110CFM 120mm Silverstone, I don't see it being an issue.
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post #8 of 10
Thread Starter 
Ok What controller are you using? It's a shame that I just bought the Kaze Server which looks very good but is just 12W/channel. I didn't know that there was an upcoming Lapton FC-5
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My System
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Samsung 850 EVO 500GB Samsung Spinpoint F3 1TB CPU: Swiftech H220-X Windows 10 x64 Enterprise 
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post #9 of 10
Rheobus Extreme as per reccomendation on here, mounted inside my case.
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Fortress
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post #10 of 10
Thread Starter 
Right I think I'd be good with the Scythe Kaze Server.
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APC BR1500GI UPS 
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My System
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-2600K Asus P8Z68-V/GEN3 EVGA GTX 1080 Ti FTW3 2x8GB G.Skill Trident X (F3-2400C10D-16GTX) @ 2... 
Hard DriveHard DriveCoolingOS
Samsung 850 EVO 500GB Samsung Spinpoint F3 1TB CPU: Swiftech H220-X Windows 10 x64 Enterprise 
MonitorKeyboardPowerCase
Dell S2716DG Ducky Shine 3 DK9008 MX Brown and Red LED Seasonic P-760 SS-760XP2 Cooler Master HAF 922 
MouseMouse PadAudioAudio
Roccat Savu Steelseries QCK Mass Edifier HCS2330 2.1 Speaker System (using Onboa... HyperX Cloud Revolver Gaming Headset 
Other
APC BR1500GI UPS 
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