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Item#: N82E16835233105

XIGMATEK FCB (Fluid Circulative Bearing) Cooling System Crystal Series CLF-F1251 120mm Blue LED Case Fan, 2 pcs in 1 package CFS-SXGJS-BU2

  • 120mm
  • 1500 RPM 61.375 CFM
  • Fluid Circulative Bearing
  • <20 dBA
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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The new Xigmatek CLF Crystal Series of 120mm system fans continues the company's innovative design focus to provide advanced features and performance while maintaining excellent value to the end user. CLF Series is created with attention and detail, not only does it look prestige from every angle it is also manufactured with impeccable performance.

The CLF Series fan comes standard with quad LEDs incorporated with transparent frame and blades insuring your case fan to be the center of attraction.

The CLF features a high quality "Fluid Circulative Bearing" which is tested to increase its lifespan by 50%. The Fluid Circulative Bearing uses a remarkable re-circulative fluid method which enables the bearing to rotate at a high and stable revs, reaching rotations up to 1500RPM. Unlike average bearings on the market, FCB will cancel out 98.9% friction which means in practical everyday usage this ultimately produces a near silent atmosphere (<20 dBA).

Product Name

CLF Bearing



120(W) x 120(H) x 25(D) mm

Voltage Rating

12 V

Starting Voltage

6 V


1500 RPM

Bearing Type

FCB Fluid Circulative Bearing

Air Flow

61.375 CFM

Air Pressure

1.516 mmH2O

Life Expectance

50,000 hrs.


Noise Level

<20 dBA


Available color

4 blue LED


3 Pin


4 pin adaptor


Learn more about the XIGMATEK CFS-SXGJS-BU2




Case Fan
Fan Size
Bearing Type
Fluid Circulative Bearing
1500 RPM
Air Flow
61.375 CFM
Noise Level
<20 dBA
Power Connector
3 Pin

Physical Spec

120 x 120 x 25mm


Performing max. Air flow and mini. amount of noise

Less power consumption.

Optimal static pressure and torque.

Reduce noise and power consumption.

Quad LEDs and transparent frame and blades

Longer life bearing design.

Reliable and outstanding performance

Quick Info


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

Customer Reviews of the XIGMATEK CFS-SXGJS-BU2

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  • Daniel T.
  • 8/5/2014 8:29:05 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBlue on Blue

Pros: Great fans for the price and are quite. Can't beat getting 2 (two) in a pack with 3 fan grills - that was sweet.
The color is not over powering and i like that. They have a Blue Royal look to them not some Blare your eyes out Blue.
Fluid Circulative Bearing, clear plastic housings and the fact taht they are good air movers make these a Great Buy all Day Long.
Don't forget about the extra Free Black Fan Guard/Grill.

Cons: None really - Screws were on the tight side, but better tight than loose. Not so tight to crack the plastic, but tight enough that my ratchet screw driver was the way to go with these Bad-Lads.

Other Thoughts: The blue ones are excellent,, but i bought the Purple ones and they did not match up well. Looked like a Royal Purple that was excellent by the way, but the other one was sort of washed out in color for some reason.
So i just said Hey get the Blue ones like my Wife has and be Happy and have a couple spares for later. With the extra Guard/Grill i put it on my case fan that did not have one - Get deal -
Buy a Box of two or say two boxes of two and Be Blue or Purple all day long.
A Happy Blue Jay :)

Did you find this review helpful? Yes No

  • Trent M.
  • 2/24/2014 6:27:22 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat

Pros: Great little fans blow plenty of air and are pretty bright. Price/Performance ratio is great.

Cons: None

Did you find this review helpful? Yes No

  • Michael C.
  • 2/11/2014 11:11:57 AM
  • Tech Level: Low
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Great looking, very quiet.

Cons: short cables, 3 pin.

Other Thoughts: Could use this in 4 pin mini.

Did you find this review helpful? Yes No

  • Mr. W.
  • 1/20/2014 10:29:41 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsBlinded by the light

Pros: Quiet with good circulation for the price.

Cons: LEDs are BRIGHT. One of them shines right in my eye when it's on.

Other Thoughts: I read the reviews and apparently there's a disparity in QA with these, but I couldn't beat the price so I took the plunge. I won! I'm only using one fan, but I tested both and they are both quiet and effective. But be careful how you place them - those LEDs are bright and can be distracting. Once I fix the bare wire on my 280mm side fan and put the cover back on my case, it'll be alright.

Did you find this review helpful? Yes No

  • Igor K.
  • 1/11/2014 9:46:17 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsLook great, too loud for me.

Pros: -Fans look great
-Darker blue (not super bright)
-Great airflow

Cons: -Too loud for me

Other Thoughts: I ended up running these fans through a fan controller on lower speeds and now they are nice and quiet!

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

  • Roy L.
  • 12/18/2013 12:51:47 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsDarn Good Fans

Pros: Good quality overall. Very Quite.

Cons: Nothing I can fine right off.

Other Thoughts: The system I built for my wife had blue light fans and she wanted to replace 2 that had gone bad out of the 5 I originally put in the system to cool it. These filled the bill rightly. Liquid cooling was still young when I assembled her system so I put as many fans in as there where mounting spots. Worked great for 4 yrs nearly never being shut down. Cleaned every month or so.Even the best items wares out at some point. These replaced a name brand lighted fan and work as least as well if not better. Buy'um if you need fans not sure you'd ever go wrong>

Did you find this review helpful? Yes No

  • James W.
  • 11/22/2013 1:08:03 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood Fans

Pros: They push air.
They don't make too much noise.

Cons: doesn't come with pantyhose

Other Thoughts: Some of these fans suck and some of them blow, depending on which way you install them.

Did you find this review helpful? Yes No

  • Rob H.
  • 11/17/2013 4:16:54 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood for the price

Pros: Replaced an unlit fan that was failing with this one.

Cons: I cannot think of any.

Did you find this review helpful? Yes No

  • TAN N.
  • 11/11/2013 2:04:52 PM
  • Tech Level: Average
  • Ownership: less than 1 day

5 out of 5 eggsGood fan, great price for a 2 pack

Pros: Price compared to just buying one. Just bright enough LED lighting

Cons: Noisy at full speed

Other Thoughts: My Zalman Z12plus case has a 2-speed switch. At lower speed (approx 1200 rpm, it is whisper quiet. So, the 2-speed switch connector is connected to this fan and a Corsair Air series SP Quiet (front fan). The resistor from the Corsair fan is for the bottom mounted Xigmatek fan.

Some complained about the LED look. Solution? Don't buy a fan that has LEDs in them.

Did you find this review helpful? Yes No

  • Connor F.
  • 10/25/2013 9:39:45 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPretty Awesome

Pros: -Black and stealthy looking
-The lights are a nice touch
-Keeps temps really low, esp for an air cooler

Cons: -The lights could be a con for some people
-Mounting system is complete balls, along with the included instructions
-Included fan can be quite loud when turned up a lot

Other Thoughts: -Keeps my i5-3570k from 28-65*C, in push pull config
-Had to send the 1st one back due to wobbly fan, but this one works fine
-Love the rubber fan founts
Go to Xigmateks website for the actual instructions

Did you find this review helpful? Yes No

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Computer Hardware > 
Fans & PC Cooling > 
Case Fans > 
Item#: N82E16835233105
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