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Swiftech Helix fan sound

post #1 of 6
Thread Starter 
I plan on getting 6, Swiftech Helix 120mm x 25mm Z-Bearing Fans - 1800 RPM, to put in push pull config for my 360mm rad. How loud are they at 100% speed? If they are loud what can I do to quiet them besides a fan controller?
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(6) Swiftech Helix 120MM 9-Blade Z-Bearing Fan ... (10) XSPC G1/4" to 1/2" ID, 3/4" OD Compression... PrimoFlex Advanced LRT Tubing - 1/2in. ID X 3/4... (2) EK-PSC Adapter 45° G1/4 Nickel 
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Movin' on Up
(23 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8320 ASUS SABERTOOTH 990FX R2.0 MSI R7950-3GD5/OC BE Samsung 8GB DDR3-1600 (PC3-12800) 
Hard DriveOptical DriveCoolingCooling
SAMSUNG SSD 840 Liteon IHAS 524 DVD writer  XSPC Raystorm CPU Waterblock (2) EK-PSC Adapter 90° G1/4 Black Nickel 
CoolingCoolingCoolingCooling
EK Radeon HD 7950 VGA Liquid Cooling Block Alphacool NexXxoS XT45 Full Copper 360mm Radiator Swiftech MCP655 XSPC Single Bay Reservoir 5.25" 
CoolingCoolingCoolingCooling
(6) Swiftech Helix 120MM 9-Blade Z-Bearing Fan ... (10) XSPC G1/4" to 1/2" ID, 3/4" OD Compression... PrimoFlex Advanced LRT Tubing - 1/2in. ID X 3/4... (2) EK-PSC Adapter 45° G1/4 Nickel 
OSMonitorKeyboardPower
Windows 7 64bit Samsung SyncMaster P2370HD  Logitech K300 Rosewill Tachyon-650 
CaseMouseMouse Pad
CoolerMaster HAF Stacker 935 Logitech Allsop 
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post #2 of 6
They're rated at 33 dB at full speed which is fairly loud. If you're looking for silence, you'll definitely have to dial them back. I've heard they under volt well enough, so you can use a fan controller to slow them down. OTOH, I just have mine tied into a PWM splitter to rev them up and down with my CPU temp automatically. It's up to you how you want to do it, either way is fine. thumb.gif
post #3 of 6
Thread Starter 
Quote:
Originally Posted by francisw19 View Post

They're rated at 33 dB at full speed which is fairly loud. If you're looking for silence, you'll definitely have to dial them back. I've heard they under volt well enough, so you can use a fan controller to slow them down. OTOH, I just have mine tied into a PWM splitter to rev them up and down with my CPU temp automatically. It's up to you how you want to do it, either way is fine. thumb.gif

I dont think this fan has a PWM signal? Does it require one to make it work?

I heard someone mention that you should use 2 separate fan controllers, in case one burns out, you have another still running. Is this really necessary? I mean do fan controllers regularly burn out and stop the fans altogether? That's kinda why I want to try another option. I think having 2 fan controllers hooked up is a waste of space and would look stupid to control one set of rad fans.

Would a fan gasket help with the noise?
Movin' on Up
(23 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8320 ASUS SABERTOOTH 990FX R2.0 MSI R7950-3GD5/OC BE Samsung 8GB DDR3-1600 (PC3-12800) 
Hard DriveOptical DriveCoolingCooling
SAMSUNG SSD 840 Liteon IHAS 524 DVD writer  XSPC Raystorm CPU Waterblock (2) EK-PSC Adapter 90° G1/4 Black Nickel 
CoolingCoolingCoolingCooling
EK Radeon HD 7950 VGA Liquid Cooling Block Alphacool NexXxoS XT45 Full Copper 360mm Radiator Swiftech MCP655 XSPC Single Bay Reservoir 5.25" 
CoolingCoolingCoolingCooling
(6) Swiftech Helix 120MM 9-Blade Z-Bearing Fan ... (10) XSPC G1/4" to 1/2" ID, 3/4" OD Compression... PrimoFlex Advanced LRT Tubing - 1/2in. ID X 3/4... (2) EK-PSC Adapter 45° G1/4 Nickel 
OSMonitorKeyboardPower
Windows 7 64bit Samsung SyncMaster P2370HD  Logitech K300 Rosewill Tachyon-650 
CaseMouseMouse Pad
CoolerMaster HAF Stacker 935 Logitech Allsop 
  hide details  
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Movin' on Up
(23 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8320 ASUS SABERTOOTH 990FX R2.0 MSI R7950-3GD5/OC BE Samsung 8GB DDR3-1600 (PC3-12800) 
Hard DriveOptical DriveCoolingCooling
SAMSUNG SSD 840 Liteon IHAS 524 DVD writer  XSPC Raystorm CPU Waterblock (2) EK-PSC Adapter 90° G1/4 Black Nickel 
CoolingCoolingCoolingCooling
EK Radeon HD 7950 VGA Liquid Cooling Block Alphacool NexXxoS XT45 Full Copper 360mm Radiator Swiftech MCP655 XSPC Single Bay Reservoir 5.25" 
CoolingCoolingCoolingCooling
(6) Swiftech Helix 120MM 9-Blade Z-Bearing Fan ... (10) XSPC G1/4" to 1/2" ID, 3/4" OD Compression... PrimoFlex Advanced LRT Tubing - 1/2in. ID X 3/4... (2) EK-PSC Adapter 45° G1/4 Nickel 
OSMonitorKeyboardPower
Windows 7 64bit Samsung SyncMaster P2370HD  Logitech K300 Rosewill Tachyon-650 
CaseMouseMouse Pad
CoolerMaster HAF Stacker 935 Logitech Allsop 
  hide details  
Reply
post #4 of 6
Quote:
Originally Posted by hucklebuck View Post

I dont think this fan has a PWM signal? Does it require one to make it work?

I heard someone mention that you should use 2 separate fan controllers, in case one burns out, you have another still running. Is this really necessary? I mean do fan controllers regularly burn out and stop the fans altogether? That's kinda why I want to try another option. I think having 2 fan controllers hooked up is a waste of space and would look stupid to control one set of rad fans.

Would a fan gasket help with the noise?

Yup the Helix is indeed PWM. smile.gif

Regarding the fan controller, if I understand you right, you're thinking like a backup fan controller? TBH, if you decide on a fan controller, just get something reputable and proven and it really shouldn't be an issue. I ran a Bitfenix Hydra Pro for some time and it worked great. Lot's of power (30W per channel) and didn't give me any trouble. I've heard good things about the Lamptron controllers as well. thumb.gif
post #5 of 6
Quote:
Originally Posted by francisw19 View Post

Yup the Helix is indeed PWM. smile.gif
I've heard good things about the Lamptron controllers as well. thumb.gif
Been using an FC5 V2 for over a year now, zero complaints, highly recommend it thumb.gif
post #6 of 6
The swiftech helix comes has a PWM version.

Here is a comparison of them to the Gentle Typhoons
http://www.youtube.com/watch?v=w-AdKHkuS3g
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