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Item#: 9SIA85V36V6239

SilenX Effizio Thermistor EFX-12-15T 120mm Case Fan

  • 120mm
  • 1400 RPM <74 CFM
  • 3rd generation fluid dynamic bearing

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Effizio Quiet Fans are designed with silence and optimal airflow in mind. Smaller, domed motor hub, larger, more dramatic fan blade sweep area, no other fans on the market come even close in performance! There might be fans that offer more airflow or lower noise levels, but when it comes to a balance between the two, these fans can't be beat, now with Japanese fluid dynamic bearings for ultra long life and reduced vibration.

  • newegg Ideal balance between performance and noise The SilenX Effizio Quiet Fan EFX-12-15T offers efficient heat dissipation. The 120mm fan delivers air flow below 74 CFM at a noise level below 15dBA, perfect for your quiet computing/gaming cooling needs.
  • newegg 3rd generation fluid dynamic bearings With 3rd generation fluid dynamic bearings, the SilenX Effizio Quiet Fan EFX-12-15T can last long and operate with minimum vibration.

Learn more about the SILENX EFX-12-15T

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the SILENX EFX-12-15T

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  • Anonymous
  • 2/15/2016 5:26:50 PM

5 out of 5 eggsVery quiet

Pros: Quiet operation.
Solid looking construction.
3 pin and '4 pin' Molex connector giving it power gives you options.
Thermistor is separate wire that apparently automatically fires up the speed
Soft blades.
No LED's. . . yes, this is a positive.

Cons: Maybe it hasn't gotten hot enough (it's February after all), but I haven't heard it fire up the speed.

Other Thoughts: I still like Antec's 3 speed, but if it works, I appreciate that I won't have to remember to manually change the speed.

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  • Thomas B.
  • 2/8/2016 2:32:52 PM

1 out of 5 eggsworst fans I've ever bought.

Would less time spent on the computer count?

Cons: I bought four of these to replace all the fans in my current machine.
All four of them click incredibly loud.
My ears are ringing just from booting up and coming here to write the review.
One out of four would be a manufacturing defect, 4 out of 4 is unacceptable.

Other Thoughts: The rating system won't let me give this product 0 eggs, but I tried.

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  • Anonymous
  • 10/30/2014 2:03:01 PM
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggstemp/rpm curve not to my liking

Pros: Didn't even plug it in but looks nice. And no LEDs.

Cons: Once it arrived i finally saw the temp/rmp chart for the thermistor on the packaging, which I searched for in vain b4 buying. it's a a slow climb up to 40C (900RPM) then a sharp rise to 1,200RPM at 50C, then a slow climb again to 80C. That doesn't work for me as a cabinet fan so returning it, but going with 4 stars since might be great as a PC case fan. I'm gonna guy the yellow version I think - seems like a nice balance of noise vs. airflow for my purposes.

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  • B W.
  • 8/26/2014 6:10:45 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat little radiator fans

Pros: 1) Quiet
2) Good airflow even through a radiator (SP++)

Cons: 1) The thermistor should be removable or have an option to substitute it (so I could use my liquid temps directly)
2) Cables have molex and 3 pins hard wired together - untidy.

Other Thoughts: Cons aside, I'd buy these again.

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  • Justin T.
  • 6/13/2014 6:32:25 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggslove these fans

Pros: - really are quiet
- even quieter when your system doesn't need them running, the thermal sensor is fantastic
- easy to clean

Cons: - even with monthly dusting, the fans aren't as quiet after some time as they are out of the box, although still not loud

Other Thoughts: put these is every system i put together, they're reasonable priced, quiet, and only run when needed.

my system doesn't run much hotter than room temperature even before these fans, but i have fanless video card, so i anchor the two thermistors near the card, and when need be, the fans kick in for some extra cooling power.

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  • Rashaun R.
  • 3/15/2014 7:41:05 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsUltra Quiet, great radiator fans

Pros: I bought these to replace the stock fans on my H80i, which were noticeably loud during gaming.

Plugging these directly into the H80i seems to bypass the thermistor and keep the fans running 100% at all times. Even at full tilt, these fans are almost silent sitting less than 2 feet away from the case. They feel pretty sturdy and don't seem to cause any extra vibration.

Cons: The rubber inserts are usless for attaching to a radiator, which should be pretty common knowledge.

The thermistor cables are long and get in the way. If you don't need them, you should probably opt for the version of these fans without them.

Other Thoughts: Even with another pair of EFX 14-12's (140mm) in the case now, my computer is quieter than it was with just the H80i stock PWM fans at load AND idle. If the non-thermistor fans weren't a blood red color, I would have opted for them instead, but a little bit of cable management solves that problem easy enough.

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  • Gregory A.
  • 2/6/2014 9:38:52 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSilenX EFX-12-15T

Pros: Quiet and does what it was designed to do

Cons: none

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  • Casey D.
  • 11/10/2013 12:46:24 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggssilent

Pros: awesome silent fan, hasn't died

Cons: none

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  • Thomas S.
  • 11/3/2013 1:15:57 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: They push a lot of air.
Variable speed keeps my case cool AND quiet.
White is sexy.

Cons: Kind of expensive for a fan, in my opinion.

Other Thoughts: The blade on one of the fans just slipped off. I was able to pop it back in, though. Haven't had any problems with it since. Guess it was just loose.

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  • 10/22/2013 8:12:07 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsVery quiet

Pros: Very quiet fan and great airflow

Cons: The Thermistor solution require too much heat to start the fan so I plugged the 4pin power directly instead

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Item#: 9SIA85V36V6239
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