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sync of heatsink fans?

post #1 of 3
Thread Starter 
i read somewhere that if you have more than one fan on your heatsink, they need to be synced otherwise the fans will work out of sync and produce weird noises.
If this is indeed true, what is sync and how can i make sure the fans on my heatsink are synced?
post #2 of 3
Untrue. I had 2 fans, not synced by any means, never heard wierd noises
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My Rig
(14 items)
 
Ex-wife's Rig
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 4460 AsRock H81M-DG4 Sapphire Rx470 Platinum KVR 1600 16Gb 
Hard DriveHard DriveCoolingOS
2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
MonitorKeyboardPowerCase
Fujitsu Siemens A17-2A Logitech K280e SuperFlower SF-550K12XP Thermaltake Versa H25 
MouseAudio
Logitech G402 Sony MDR XD150 
CPUMotherboardGraphicsRAM
Athlon 750K 4.0Ghz AsRock FM2A75 Pro4+ Sapphire R9 270X Dual-X Kingston 2x4Gb 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 120  Western Digital 320Gb LiteON DVD-RW CoolerMaster Hyper Z600 
OSMonitorKeyboardPower
Windows 7 Pro x64 Toshiba 32" FullHD TV Logitech FSP Hexa 550 
CaseMouse
DeLUX Logitech 
  hide details  
Reply
post #3 of 3
I have 2X Gentle Typhoon AP15 fans (1850 rpm) on my megahalems and do not notice any noise. They are spliced together and run off the same plug. I don't know if you would consider that "synced" or not. They receive identical voltage since they are on the same connection.

I think the easiest way to make sure they are matched in speed is to just splice the wires like I did. I did this so that they operate on a single channel with my fan controller. Turning one knob controls the speed of both heatsink fans at the same time.

You can buy a splitter wire if you are uncomfortable splicing wires.

http://www.newegg.com/Product/Produc...-063-_-Product
    
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CPUMotherboardGraphicsRAM
i7 950 3.2 GHz at 1.0V Asus Rampage III Formula Asus HD6870 6GB Mushkin Redline 1600MHz 6-8-6-24 
Hard DriveOptical DriveCoolingOS
Samsung 250 GB SSD,2X 1TB F3, 250GB WD Blue, 1T... Asus BD Megahalems black chrome edition Windows 7 Professional 
MonitorKeyboardPowerCase
2x Asus 24" Mac keyboard Enermax ERV950EWT Silverstone FT02 
MouseMouse PadAudio
Logitech MX518 Steelseries I-2 Onkyo 1000W 7.1 surround through HDMI 
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