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Item#: N82E16835103083

COOLER MASTER Excalibur R4-EXBB-20PK-R0 120mm Case Fan

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  • 120mm
  • 600 - 2000 RPM±10% 26.4 - 85.6 CFM±10%
  • Barometric Ball

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Excalibur, as the name suggests, is inspired by the legendary sword of King Arthur from the middle ages. The nine massive sword-shaped blades are designed to produce exceptionally high air pressure, which fortify the cooling efficiency when used in dense water cooling radiators or performance heatsinks.

This is the first fan from Cooler Master to adopt Barometric Ball Bearing (BBB) technology.

  • newegg Barometric Ball Bearing (BBB) Technology The innovative Barometric Ball Bearing technology provides longer life span while remaining lower noise level.
  • newegg Removable Sword-Shaped Blades with Triangular Blade Tips The Cooler Master Excalibur R4-EXBB-20PK-R0 is equipped with nine massive sword-shaped blades which generate outstanding high air pressure with balanced airflow for exceptionally cooling efficiency. Triangular blade tips reduce turbulence at fan edges and decrease wind shear noise while keeping maximum sweeping area. The blades are removable for quick and easy cleaning.
  • newegg Honeycomb Ventilation Meshed Frame The honeycomb ventilation meshed frame works as a secondary intake to increase airflow under low fan speed operation, or helps reduce noise by releasing excessive turbulence and vibration when the fan spins at high speed.
  • newegg Sturdy Structure The Cooler Master Excalibur R4-EXBB-20PK-R0 features 3-piece frame with metal rim for robust structure.
  • newegg PWM Function The PWM function automatically adjusts fan speeds according to the CPU temperature for efficient cooling and minimized fan noise, a total performance solution at high and low speed operation.

Learn more about the Cooler Master R4-EXBB-20PK-R0

Warranty, Returns, And Additional Information

Customer Reviews of the Cooler Master R4-EXBB-20PK-R0

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  • Lois S.
  • 5/1/2016 11:43:10 AM

2 out of 5 eggsCFM+high mmh2O isn't silent- **update 5/1/16- have 4 of these, three are now dead.

Pros: **Update, 5/1/2016- bought 4 of these, three are now dead. They began squealing and stopped or slowed down. They were nice while they lasted... The rest of this review is my original review**
Blowing through a high FPI rad, like the H100 on my server, I want something like this. High mmh20. For the amount of pressure and CFMs these deliver, the noise is, my subjective opinion from building rigs over the last 15+ years, low. It is not a 'silent' case fan, however. If you are looking for that, look elsewhere. I also have some Corsair SP HP fans on my XSPC 360 rad on the gamer, they are louder and produce less static pressure. They whine really much more loudly, and I run them down about 30%. The Silverstones and Thermaltake are noisier, and less pressure. Yates use sleeve bearings that don't hold up long term, and again less static pressure. Enermax makes some good case fans, some are quite quiet, like the one with the orange blades, but again they don't provide the pressure. And the Antecs I've used were low CFM case fans. If you are looking for something to get air through high restriction you can't get much better than this with this noise level. I love that they don't have LEDs, as they are in a 24x7 server in the bedroom. They replaced some XSPC fans that were noisier with less static pressure. I also like that they come PWM, with 3pin and molex adapters. I know I used the word 'pressure' a lot here, but that's what this fan is about, a good amount of _push_ through radiator fins. This isn't a case fan.

Cons: Not really best for a case fan, where you can get away with less pressure and noise. And I miss the old days when fans came with grills...

Other Thoughts: If you want 'silent', 'low noise', 'whisper quiet' or whatever, then live with static pressure below 2, and CFM below about 50 in a 120mm fan. Don't expect whatever you get to work well attached to a large CPU cooler with dense fins or a high FPI rad. If you need a fan for these applications, and are willing to pick up some noise to get optimum results, this is a good choice.

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  • Donovan S.
  • 4/23/2014 2:19:48 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat Fan

Pros: It still works 3 years later.
Blows a lot of CFM, but it does make noise.
Has static pressure
Steel Frame

Cons: In today's world though, this fan is easily overshadowed by the Corsair SP 120 High Performance Fans.

Other Thoughts: I originally had this as a CPU fan on my hyper 212+, but then turned it into an exhause fan after getting two delta fans. It's now a front intake fan after, yes, getting another delta exhaust fan.

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  • Anonymous
  • 3/17/2014 9:22:30 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsAwesome

Pros: Using two in a push/pull method on my cpu cooler
Lowered idle temp by 5
Quiet in my case
simple design and good quality

Cons: was not free

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  • Shawn P.
  • 2/24/2014 11:13:56 PM
  • Ownership: more than 1 year

5 out of 5 eggsAmazing fan

Pros: This is easily one of the most powerful case fans on he market. Not only that they are not loud at all. Plus they come with rubber nails, that u simply pull through to install fan for super quick install and this pages ur fans extra vibration free. At over 85cfm it moves double the air of most fans and about an extra 20cfma than most high performance fans. They are the best!

Cons: None these at the best case fans for the money hands down. I bought 3 manual fan controllers for them cause I can only control 3 from my bios. They all go above 2000rpm but are super quiet and powerful at about 1800rpm so that is where I keep all of them 80/90% power.

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  • Thomas N.
  • 12/9/2013 9:37:49 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDied

Pros: Ran fine for ~ 8 months

Cons: Only ran fine for ~ 8 months

Other Thoughts: Cooler Master sent replacement for defective unit. We'll see how long it lasts...

I'm on my *4th* fan for the Cooler Master V8 CPU cooler, and I've only owned it for a few years. Unsure where they come up with their MTBF (Mean Time Before Failure) projections because they are not even close.

Manufacturer Response:

I'm sorry for your troubles. Being one of the few moving parts in a computer that's effectively exposed to the elements around it, there are many things that can cause a fan to be disrupted, including but not exclusive to moving the case while the fan is spinning (via transport or bumping), obstructions, or the most common factor: dust. We do stand behind our products, though, and that's why we supply warranties with part and product replacement.

If you are just in need of a replacement fan for your V8 or other Cooler Master CPU Cooler, you can request a fan replacement through the Part Request link below. If you're in need of replacing a standalone fan you bought from Newegg here, that's where you'd use the eRMA link below. If there's anything else you need, be it questions or concerns, please talk to use directly using the Contact Us link below.

Thanks for choosing us,
Kevin with Cooler Master

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  • Adam D.
  • 8/22/2013 7:05:18 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat Radiatior Fans

Pros: Amazing static pressure. 3.63! For the noise/performance ratio, you can't beat that. Slick looking fans, nice sleeving on the cable. Love the 4-pin PWM plug!

Cons: Can be loud at full power, but it IS moving a lot of air at a high pressure. Expensive.

Other Thoughts: I own 5 of these in a 900D. For my radiators, it is one of the best fans for static pressure. Not the cheapest, and no LEDs to make it look good, but with a fan controller to help reduce noise, this fan can WORK. Not many normal-priced fans can boast a 3.63 static pressure at a 25mm/120mm fan.

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  • James G.
  • 5/4/2013 4:00:31 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: Nice looking fan. Have HAF922 case so can see from outside. Moves more air then rear 120 CM fan that came on case. I small drop on water cooler temp with rear fan config (-.5 max) with stock fan on cooler front side.

Cons: Can't tell much for the sound level because case full of fans for overclock.

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

  • Joe K.
  • 4/21/2013 2:13:03 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: super quiet, moves a ton of air and easy to clean with the removable blades

Cons: none

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  • Robert T.
  • 4/10/2013 8:34:25 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAAA+++

Pros: Excellent Fans, just the best you can buy.

They Run Quite with huge Air Flow...Just plug these baby's into your MB and you will hardly hear them.

I replaced all my Cases with these...and all my builds I only use these fans.

I Highly recommend using these fans only.

Cons: None.

Other Thoughts: Running One Month now...
Awesome-Excellent Build...#1 Best Build.

ASUS Sabertooth 990FX Rev2.0 Military Spec. MotherBoard
AMD FX-8350 (8 Cores)
EVGA GeForce GTX 660 Ti FTW+ 3GB Graphic Card
OCZ Vertex 4 128GB Internal Solid State Drive (SSD)
WD 1TBx2 Disk Hard Drives for Games & Storage.
CORSAIR Vengeance 16GB DDR3 2400 Desktop Memory
Microsoft Windows 7 Home Prem. 64 bit.
***All built inside an All Alum. SHARK Tower Case...Replaced Fans with 2x COOLER MASTER Excalibur R4-EXBB-20PK-R0 120mm Case Fans, Front & Rear...These are Super Quite plus Great Air Flow, runs case Cool (plugged into MB for control).

Building a second unit....

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

  • Brian G.
  • 4/4/2013 4:54:53 PM
  • Ownership: 1 week to 1 month

4 out of 5 eggsGreat fans

Pros: My CPU is cool.

Cons: My computer sounds like an airplane.

Other Thoughts: I don't sleep in the same room as my computer, and I wear headphones... even so, I regret getting 2 of these for my water cooling radiator. Every day when I get home I'm subjected to a blast of white noise until I get used to it after a few minutes.

0 out of 2 people found this review helpful. Did you? Yes No

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