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Cooler Master Excalibur - Case fan - 120 mm [PC]

by Cooler Master


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  • The innovative Barometric Ball Bearing technology provides longer life span while remaining lower noise level.
  • PWM function for total performance solution at high and low speed operation. Fan Size 120mmBearing Type Barometric BallRPM 600 - 2000 RPM10%Air Flow 26.4 - 85.6 CFM10%Noise Level 13 - 30 dBAPower Connector 4 Pin
  • Removable blades for quick and easy cleaning.
  • Nine massive sword-shaped blades generate outstanding high air pressure with balanced airflow.
  • Triangular blade tips reduce turbulence at fan edges and decrease wind shear noise while keeping maximum sweeping area.
See more product details


Product Information

Technical Details
BrandCooler Master
Item Weight113 g
Product Dimensions12 x 2.5 x 12 cm
Item model numberR4-EXBB-20PK-R0
  
Additional Information
ASINB003AVMRPM
Best Sellers Rank 169,408 in Computers & Accessories (See top 100)
Shipping Weight481 g
Date First Available22 Jun 2010
  
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Product Description

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.


Customer Questions & Answers

Customer Reviews

There are no customer reviews yet on Amazon.co.uk.
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Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com: 4.4 out of 5 stars  74 reviews
48 of 54 people found the following review helpful
2.0 out of 5 stars Noisy Fan If Mounted In A Horizontal Plane 24 Nov 2010
By W. Leger - Published on Amazon.com
Verified Purchase
I purchased two of these fans to use on a horizontally mounted radiator in a HAF X case.

I was smart to do a test run before installing them in the case because there is a problem. The fans are very quite when mounted in a vertical plane. Unfortunately, these fans are very noisy when mounted in a horizontal plane.

Both fans make a noticeable rubbing sound when mounted in horizontal plane. This is not uncommon, depending on the bearing and design, but it should be stated in the specifications. It is also possible that I received two fans with problems.

This would make a nice case fan but not if you plan to use anti-vibration material between the case and the fan. The fan does not have four straight edges. Thus, you will only have contact pressure near the four corners. You would have to cut your own material for a good seal.

This is a good fan. I am giving it 2-stars to draw attention to a potential problem for some builders.
18 of 18 people found the following review helpful
5.0 out of 5 stars Very Good Fan, Well constructed not too loud 30 Aug 2010
By K. M. Calabrese - Published on Amazon.com
Got this to replace a failed Ultra in the front of my case.
Reduced my idle temp on my OC'd E8500 from 43-44C to 37-38C.
Much better airflow than I had expected and while its not a silent fan it is much quieter than
either the Ultra, or the Tri-cool fans in my case.
The design is top notch for a case fan but I would hesitate to use this as a radiator fan as it
just doesn't seem well designed for that application.
Very well made and useful accessories, such as a 3 to 4 pin converter, a 3 pin to molex converter, even comes with rubber washers.
7 of 7 people found the following review helpful
5.0 out of 5 stars Solid 31 Aug 2010
By M. D. S. Phaneuf - Published on Amazon.com
Verified Purchase
This fan is very well constructed, the vented ring is made of metal not plastic, it is light and strong. I bought 2 of these for my Corsair H50 liquid cooler radiator as a push pull configuration. I'm happy with them.
4 of 4 people found the following review helpful
3.0 out of 5 stars Expensive, average, but cool-looking 24 Aug 2011
By 7 - Published on Amazon.com
Verified Purchase
I needed 2 of these fans for my Corsair H70 CPU water cooling radiator as the stock Corsair fans didn't have PWM speed control and having the fans spin at full speed all the time was WAY too noisy. :O

Lots of glowing reviews about this fan so I bought 2. Plus it looks cool, it's supposedly dismantleable so you can clean it easily and the bearings are rated at double the life of other fans. That is, if the manufacturers are telling the truth about their respective fans...

Well, they're not particularly quiet nor are they particularly noisy. They spin to about 2300rpm, 300rpm higher than they are rated. They are a little quieter than my stock Corsair fans that also spin to a max of 2300 but I don't think they put out as much airflow as the stock Corsair fans do.

The thing that I'm disappointed about is the inconsistency between fans in regards to PWM control. I initially bought 2 fans expecting them to ramp up identically or nearly identically. NO WAY! One ramped up immediately from 650ish rpm at anything under 30% to 1800rpm by about 60% output power and the other fan barely budged from around 650 to 700rpm until about 70% power output where the other fan was spinning at around 2000rpm. I figured one of these fans was defective and ordered another one intending to send back the defective one. Well, when the new fan arrived, it operated on a pattern about in the middle of the two existing fans. So I have no idea if I have 2 or 3 defective fans or if they simply are all their own creatures operating seemingly on a random power curve. I tested each fan both on my CPU and CPU OPT connections on my motherboard with identical results so I know that my mobo is NOT the issue.

So, in conclusion, it's a good-looking fan that has PWM that may or may not work well with your system. You don't really notice the sound of the fans until around 1100rpm and you'll probably not hear them spin much louder than that unless you do a lot of processor-intensive stuff like video editing or gaming. They're not "loud" (I know this is a subjective term so I am speaking for myself here...) until around 1400rpm, which on my system would equate with about 50C degrees. I virtually never hit that high a temperature. At full spin of 2300rpm, they are quite noisy, though likely not as loud as other 120mm fans. I know they are not as loud as my Corsair 120mm 2300rpm fans.

I grudgingly recommend them because of power curve inconsistencies. I would recommend that you buy 3 or 4 of them to ensure that you get 1 that has the power curve you desire or that you can find a matched pair if you need 2 fans. Then return the 2 or 3 other fans. Yes, you will have to have software to monitor and control your fans and you will have to go through all that testing of each fan at different power output percentages and write down each fan's characteristics. Then you'll have to compare the notes for each fan to find your "keeper" or pair. If that sounds like a lot of work, well, IT IS! I spent HOURS figuring all this crap out! For days I thought I was doing something wrong. That I just couldn't get them to match up. Finally it occurred to me that it could be hardware. Indeed it is. So, learn from my experience. Buy several and return the unneeded ones.

Now, I find it a bit hard to believe that Cooler Master's flagship fan is alone in power curve inconsistency. Could be wrong, but I tend to believe that this is more a PWM issue than an Excalibur issue. So, I'm not so sure if I should be so hard on Excalibur or if I should be hard on PWM fans in general. I don't know. All I know is that this happened to me with Excaliburs. Decide for yourselves... :)
3 of 3 people found the following review helpful
5.0 out of 5 stars Great! 7 May 2011
By D. Rodriguez - Published on Amazon.com
Verified Purchase
I needed lots of cooling for my i7 2600K + 2x GTX 460 system. I have two Excaliburs installed as exhaust fans on my Thermaltake Dokker case and two Blademasters on my PUSH-PULL Corsair H50 liquid cooling system. The Excaliburs are extremely quite and move lots of air, even at idle temps. I have them running at around 1000 RPM (50%) at idle with MB temps hovering at around 28-30 C. The CPU temps stay at around 30-31 C at idle, but that is mostly handled by the Blademaster fans. Anyway, these fans will get noisier at around 1600-2000 RPM on high CPU and GPU load, but it is expected as they really do move LOTS of air. The sound is not really coming from the fan motors... it is because of the gigantic mass of air they move.

On the GPU side of things, the GPUs have been around 5-10 degrees cooler at idle and at full load after installing these fans.

I am really happy with my purchase. I highly recommend these fans.
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