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Min speed for EK-Vardar F4-120ER (2200rpm)

post #1 of 7
Thread Starter 
Does - PWM Duty Cycle: 25-100% - ER - Extended Range - mean that the 2200RPM fan will work at around 550RPM? What is its starting voltage? I'd love to test them against my NB PL2. Please help.
post #2 of 7
Quote:
Originally Posted by smicha View Post

Does - PWM Duty Cycle: 25-100% - ER - Extended Range - mean that the 2200RPM fan will work at around 550RPM? What is its starting voltage? I'd love to test them against my NB PL2. Please help.

That's the rated specs, yes. But most will go lower than 550 RPM, and have a lower min PWM response than at 25%.

As far as starting voltage- why would you want to change voltage on a PWM fan? Operation at 12 V and control by PWM is going to yield best results here.
post #3 of 7
Thread Starter 
I'll be using them not via PWM but with Aquaero 6 (auto regulated voltage). But thank you for your answer - i just wanted to make sure they are dead quiet at lowest RPMs.
post #4 of 7
The Aquaero 6 has headers that can work as PWM or voltage control headers though.
post #5 of 7
Thread Starter 
Correct. Ordered 12 smile.gif
post #6 of 7
Mine seem to have a range of 150 RPM - 2238 specifically if its of any use. Great fans and really blast heat out when needed. Had 2 out of 13 I have used that made an odd noise was my only complaint.
     
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CPUMotherboardGraphicsGraphics
5960x X99 E-WS GTX 1080Ti GTX 1080Ti 
GraphicsRAMHard DriveHard Drive
GTX 1080Ti Corsair Dominator Platinum DDR4 Samsung 850 Evo Crucial MX100 
Hard DriveHard DriveHard DriveCooling
Samsung 850 Evo Crucial MX100 960 Pro Custom Loop 
OSMonitorKeyboardPower
Windows 10 Asus ROG Swift PG348Q Corsair K95 RGB HX1200i 
CaseMouse Pad
In Win Tou G500s 
CPUMotherboardGraphicsRAM
4960k ASUS z97 Maximus Impact R9 Nano Hyper X Fury 
Hard DriveHard DriveCoolingOS
Samsung 850 Evo Samsung 850 Evo Custom Loop Windows 10 Pro 
MonitorKeyboardPowerCase
LG OLED TV LG 55EC930V Logitch K800 Silverstone 500w SFX Lian Li PC-05S 
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post #7 of 7
Thread Starter 
I am just building another watercooled workstation with 4x GTX and see if how they perform compared to PL2.
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