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Item#: N82E16835200019

Rosewill 90mm Computer Case Fan (Case Cooling Fan) - PCI Slot, Super Quiet Fan; RFX-100B

  • 90mm
  • 2000 RPM
  • 35.12 CFM
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Does your video card run a little warm? The Rosewill RFX-100B is an expansion slot mounted fan designed just for that. At 2000RPM and 35.12CFM this ducted unit will keep your GPU cool during those long gaming or editing sessions. The blue UV reactive casing adds a bit of atmosphere to your late night sessions.

  • newegg High Performance Operating at 2000 RPM, the Rosewill RFX-100B delivers strong air flow of up to 35.12 CFM for impressive levels of heat dissipation.
  • newegg Extra Quiet The PCI slot exhaust system blower works at a whisper-quiet 25.24dBA.

Learn more about the Rosewill RFX-100B

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Rosewill RFX-100B

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  • Charles K.
  • 11/23/2014 5:29:36 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsWorks well

Pros: Works well, easy to install, reasonably quiet.

Cons: none so far

Other Thoughts: I bought this fan to lower the temperature of my Zotec GeForce 210 video card, which only has passive cooling. I mounted the fan directly above the video card. It does the job without being noisy.

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  • Korn S.
  • 10/19/2014 8:01:54 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsKeep it cool!

Pros: Sleek design, great functions, works well, QUIET, lower my case temp by 5C!

Cons: Just one con: I don't know if this is just mine or not, but the built quality is somewhat not perfect. It's kinda wobbling A LITTLE bit, but you cant notice anything unless you actually stare at it.

Other Thoughts: Overall, EXCELLENT!

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  • Michael P.
  • 10/15/2014 9:27:46 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsRosewill 90mm case fan

Pros: does pull air from computer case. good price. Works to help pull hot air from a single video card out of the case.

Cons: Uses up a PCI slot and not effective if running multiple video cards. needs to be mounted higher in the case to be affective if not running a video card.

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  • Donald H.
  • 10/8/2014 9:23:53 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

5 out of 5 eggsActually (surprisingly) made my computer quiter!

Pros: -easy/fast installation
-brings case temps down
-black plate matches case very nicely
-is small enough to not feel like clutter
-helps tame GPU fans (especially with non-blower-style coolers)
-too cheap to not consider adding to your cart while ordering other stuff

Cons: -the shell is a little wide (almost touches PCI components in the nieghboring slots)
-uses molex connector instead of mobo fan headers
-no speed adjustment
-wire may be a little short, depending on how you have your case laid out

Other Thoughts: I grabbed this PCI slot cooler in hopes that it would maybe help expel some of the hot air that my GPU kicks around the case, as it's not a blower type cooler that exhausts air out of the case much on its own. I was somewhat expecting it to add some extra fan noise to my system. But, for $6, I was eager to try it anyway.

Surprisingly, it not only didn't add much noise on its own, it actually made my system -as a whole- run quieter. Set a couple slots away, it's helping enough that it keeps the GPU fans from ramping up as often or as high as they usually do. Also, holding my hand near the other case fans, they're each expelling a little less heat than before. So, I would consider this a great small-investment for those looking for extra cooling in that pocket around the add-on cards. I thought I already had a pretty good airflow setup. But, this little guy made a very noticeable difference. I'm definitely going to be getting more for some other towers I have.

Side note: If anyone is looking for a blower fan that feeds from the bottom side, and only finding ones that feed from the top (pretty much everything listed on this site), the slot panel on this one can be pulled off and spun to change the intake direction. I was curious and tried it when I first pulled it out of the packaging.

1 out of 1 people found this review helpful. Did you? Yes No

  • Saulo S.
  • 9/25/2014 2:44:37 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGot spare PCI/PCIE slots? Why not?

Pros: It reduces Celsius from anything in front of the fan facing. Had mines next to my GTX 680 cooling it approximately 1-5 Celsius.

Cons: Why isn't there any different types of model in the industry present? I'd be willing to pay the premium for a more technologically advance version. A buffed up version with higher RPM fan, LED color option/switch, detachable wire, sturdier materials and some kind of fan controller be it manual or dependent.

Other Thoughts: One of it's kind. Excellent choice for small cases or those nearly non existent airflow cases.

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  • Edward L.
  • 9/21/2014 10:27:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: Moves a lot of air for its size

Cons: None

Other Thoughts: This thing is a brilliant idea for extra rear exhaust in your chassis.

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  • Ilya B.
  • 9/2/2014 4:44:11 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsToo Loud

Pros: Cheap

Cons: It's uncomfortably loud. Makes my PC 3x louder with 2 case fans, 2 cpu cooler fans, 6 gpu fans. It makes a high pitch whining noise - the worst type of noise you can expect from a fan.

Manufacturer Response:

Dear Valued Customer,
Thank you very much for purchasing this unit.
We strive to provide the most reliable and highest quality products to our customers.

If you are not fully satisfied with our product please contact us to better assist you in resolving your problem.

Phone: 1- 800-575-9885

We look forward to hearing from you.

Rosewill Customer Care

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  • ian C.
  • 8/27/2014 10:31:53 AM
  • Tech Level: Somewhat Low
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsvery happy

Pros: It's very quiet, with a lot of airflow, reduced my temps a lot. Ideal for an older case with limited fan options.

Cons: I bought two, am using one, and shipping was as expensive as the purchase.

Other Thoughts: I don't know why these aren't more popular. They're cheap and efficient, and ideal for older cases with newer video cards. I can't believe how quiet it is, and it helped a lot in reducing my temps.

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  • Donald C.
  • 6/28/2014 1:10:23 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks great!

Pros: quiet! works greeat! easy to install

Cons: mine didnt have screws in the package. but i ordered two of them and the other had 2 screws.

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  • Robert L.
  • 6/23/2014 5:24:22 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsDecent airflow for the inexpensive price

Pros: I wanted to extend the life of this computer, and was worried about the lack of cooling options for this particular case, so I decided to give this a try. It does a pretty decent job of pushing air, especially for such a cheap solution. I did not encounter the loud issue that some of the other reviewers mentioned.

Cons: My only problem with this product at all is that although it lists as only taking up 1 pci slot - which it technically does, it's also a bit bulky and nudges its way into other slots territory. I managed to squeeze it in, but it's slightly resting on the pack of some other components.

Other Thoughts: All in all, works great, but may be a bit of a task putting it in if you already have other components occupying neighboring pci slots.

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Rosewill > 
Item#: N82E16835200019
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