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Looking for 2 x LED Fans... or just 2 fans - Page 2

post #11 of 30
Thread Starter 
They seem expensive, and have quite a low CFM and RPM ;/

Low noise is nice but for the CFM I'm looking for I dont think I"m going to be getting the quietest fans, especially at my budget.

CFM to me is more important than CFM/dBa. And I really need at least 70CFM on a fan, or like 2kRPM+.
Edited by Belial - 5/28/13 at 8:33am
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post #12 of 30
Quote:
Originally Posted by Belial View Post

They seem expensive, and have quite a low CFM and RPM ;/

Low noise is nice but for the CFM I'm looking for I dont think I"m going to be getting the quietest fans, especially at my budget.

CFM to me is more important than CFM/dBa. And I really need at least 70CFM on a fan, or like 2kRPM+.
You really can't believe CFM numbers. The Gentle Typhoon AP-15's which are the favorite fans by many, spin at 1850RPM at a true 58.3 CFM. You aren't going to get 70 CFM out of a 120mm fan for what you consider "cheap" nor quiet. If you consider the Swiftech fans to be expensive at around 8-10 dollars then I really think your out of luck. I really think the Swiftech fans might be your best bet since your going to be using them to cool a GPU heatsink. If your budget were higher I would say go with the Gentle Typhoon's, the Swiftech fans are sort of Gentle Typhoon knock offs.
post #13 of 30
Thread Starter 
No, i'm quite sure cfm numbers are unreliable, but the RPMs usually aren't. No 1k RPM fan is going to provide 70+ CFM, no 19 dBa fan is going to provide 70+ CFM, no 2k+ RPM fan is going to be quiet.

I don't expect any 70CFM fan to really be that quiet. I need something that cools better than 90mm fans at 3.6k RPM though. I can't just get 1500RPM fans that are the exact same 40-60CFM but just quieter.

It's not so much the swifttech fans are expensive, it's that they really aren't that powerful for my needs. They might have great CFM/dBa, but they don't have good absolute CFM, which to me is more important.

These fans are for making money, basically. Anything more than maybe $10-15 (total) is just not profitable for my means, I'll simply run with either the 40-60w higher power consumption of being 10*C hotter or run a lower clock that is making me slightly less money. I'm sorry, but expensive fans are just straight up not worth it, especially if they are insufficient fans that don't do the job that I need in the first place.

The CM's at $2.99 is a really great price. Do you mean to tell me those Swifttech are twice as much CFM? Do you mean to tell me those Swifftechs are half as loud? Because unless that is true, there is no justification at all for paying about 5x the price. These aren't fans for some super cool build, these are fans used for a business. While I could appreciate quieter fans, what's most important is the fans do their job. 1800RPM isn't really going to do the job.

Now 2kRPM is a bit low too but it's basically the highest RPM I can find for a $10 or under fan. When you get down to it I'm basically looking for the highest RPM fan I can find, as CFM is pretty much going to be entirely dictated by RPM at this price range and CFM/dBa isn't really going to be great at this level.

Again, I truly appreciate all your feedback, you've given me a ton of wonderful information, but I think you are going with more of what you'd buy for a personal build than what you'd buy for a business build, or maybe you don't realize that I need high performance fans here. I need something that pushes 70+ CFM. The quieter it can do that, hey, great, but no fan is going to be quiet at 70CFM, especially one at this price range. I am sincerely considering everything you say, and I would have actually gone for the xigmateks had they had a bit more CFM, ie RPM.
Edited by Belial - 5/28/13 at 12:26pm
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post #14 of 30
How about corsair sp120
http://www.newegg.com/Product/Product.aspx?Item=N82E16835181027
They have high rpm, high static pressure and rubber noise preventing thingies.
They are 26.99 for 2

I want to recommend you gentle typhoon
but they are out of stock
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post #15 of 30
I really don't think your going to see a big difference between 1800 and 2000 RPM. Also the fine print on the rebate for the CM fans say only one rebate per person so I'm guessing you couldn't get both fans for 2.99. So you could get one for 2.99 and have to pay 7.99 on the other. If $5 or less is all your willing to spend then the CM is probably the best. Just be warned the CM fans won't be pushing 70+ CFM either. According to this test, http://www.pugetsystems.com/labs/articles/Review-Cooler-Master-SickleFlow-120mm-Green-LED-Fan-135/ , it only pushes 42 CFM.
Edited by Tyler Dalton - 5/28/13 at 12:48pm
post #16 of 30
Thread Starter 
Quote:
Originally Posted by danielkim624 View Post

How about corsair sp120
http://www.newegg.com/Product/Product.aspx?Item=N82E16835181027
They have high rpm, high static pressure and rubber noise preventing thingies.
They are 26.99 for 2

I want to recommend you gentle typhoon
but they are out of stock

wayyyy too expensive....
Quote:
I really don't think your going to see a big difference between 1800 and 2000 RPM. Also the fine print on the rebate for the CM fans say only one rebate per person so I'm guessing you couldn't get both fans for 2.99. So you could get one for 2.99 and have to pay 7.99 on the other. If $5 or less is all your willing to spend then the CM is probably the best. Just be warned the CM fans won't be pushing 70+ CFM either. According to this test, http://www.pugetsystems.com/labs/articles/Review-Cooler-Master-SickleFlow-120mm-Green-LED-Fan-135/ , it only pushes 42 CFM.
Edited by Tyler Dalton - Today at 3:48 pm

Well considering this is for cooling a GPU, I'm pretty sure you'd see a big difference in 1800 to 2k RPM on 2x120mm fans...

And I'd definitely rather have higher CFM, 2k RPM fans, than lower CFM 1800RPM fans, especially when those 2k RPM fans are 1/5th the price. What's most important to me is CFM, which basically means at this price point, RPM is the most important thing to me. I don't think you understand, that 1800RPM fans at 50-60CFM are a sidegrade for me. It doesn't work. I need better cooling performance, I'm not just looking for quieter fans.

Like the swifttechs are literally worse for my needs, and 5x more expensive. They also have worse aesthetics. Why in the world would I buy them over CM R4s? Because they might have a better CFM/dBa? Not as important to me as absolute CFM. If I could overvolt those Swifftech's to 2K RPM, or 3K RPM, that'd be great. But they aren't so awesome as to pump as much air as the R4s at only 1800RPM.

Sickleflow is not the same as the R4. They are entirely different fans. Sickle flows are significantly weaker and louder than R4s.

This is a relevant review:
http://www.overclockers.com/65-fans-tested-megahalems/
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post #17 of 30
Quote:
Originally Posted by Belial View Post

Sickleflow is not the same as the R4. They are entirely different fans. Sickle flows are significantly weaker and louder than R4s.
Hmm according to Cooler Master, the R4's are SickleFlows http://www.coolermaster-usa.com/product.php?product_id=2915 . I don't mean to sound harsh, but I've learned the hard way with fans that you usually get what you pay for. I've wasted countless amounts of money on cheap fans before I finally wised up and paid a little more for quality. Also just because something has more RPM's doesn't make it better, a 1850RPM Gentle Typhoon will out perform a 2000 RPM SickleFlow/R4. But if you insist on cheap fans, then the CM fan is probably your best option.
Edited by Tyler Dalton - 5/28/13 at 1:17pm
post #18 of 30
Thread Starter 
All sickle flows are R4s, not all R4s are sickle flows. Confusing, yes.

http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007998%2050001333%20600035590&IsNodeId=1&name=120mm

The CM R4, as the one I'm getting to, refers to R4-L2R-20AX-GP.

Sickle flows model number is R4-L2R-20AX-R2

X = color

In all likelihood I believe they are the same fans, just the R4s are not the 'silent operation' of sickle flows.

Anyways according to the 65fan review, they are similarly performing as the yate loons, just a little less power, a lot less sound. I would probably go with yates (again) if they weren't so much more expensive. I don't think I'm buying $2 quality here, I think I'm getting $8 quality for $2. I mean I don't see any fans for $10 or less each that are better than these. There's a few 'higher quality' fans but they are all too slow and therefore too little RPM and therefore too little CFM for my needs.

I understand these fans might be loud, but they aren't going to be nearly as loud as these 2x90mm fans at 3.6K RPM. And like I said, sound really isn't as important to me as performance, I need fans that run 2k+ RPM, I need lots of CFM here.

Maybe if I could find some Yate loons for cheap somewhere I'd consider those instead, but all the places so far aren't worth it...

EDIT: Okay I found these:
http://www.ebay.com/itm/Yate-Loon-D12SH-124UB-UV-Blue-120mm-Computer-Case-3-4-Pin-Fan-w-Blue-LEDs-High-/150988783912?pt=US_Computer_Case_Fans&hash=item2327a20128

Yate Loon High Blues on ebay, $8.99/ea shipped. They would be slightly more powerful than the R4s, a lot louder, and a lot more expensive...

I love me some yate loons...i dont know, that price is awfully discouraging vs the $2.99. This seems to be the best bet besides my R4s though.
Edited by Belial - 5/28/13 at 1:22pm
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post #19 of 30
Just remember the fine print on the rebate for the fans on Newegg says one rebate per person, so only one would be $2.99. That is if you ever get the rebate at all, my brother sent in a rebate for a Cooler Master PSU and never received anything.
post #20 of 30
Thread Starter 
pretty sure that means 1 per fan. id return the fan if it meant otherwise, pretty straightforward. I'll contact cm about it.
Quote:
That is if you ever get the rebate at all, my brother sent in a rebate for a Cooler Master PSU and never received anything.

im sorry but this rebate paranoia stuff really drives me nuts. why do people do this. I have never had an instance of not getting a rebate, and if you dont get your rebate, then you need to contact the company. it's not that difficult. Make a negative review on newegg saying you didnt get your rebate. Not getting your rebate is very rare, and even if it does go down like that, just dont be a lazy idiot and contact the company.

you know, a good 1/20, id say, packages get lost in the mail (my experience, i mail a ton of stuff all the time). People have lost mail, never follow-up on their rebate, and blame the company, but most likely the mail just got lost. I have far less faith in USPS than a company like coolermaster. Far less. Yet everyone is quick to blame companies.

And do you have personal experience with coolermaster ripping off your rebates? As far as my experience and my interactions with CM, they are a great company. It's extremely unfair of you to imply that CM would not honor their rebate. They are a small, hard working company that has really gone above and beyond for not just the tech community, but for the competitive gaming communities as well. I think it's extremely wrong of you to just slander them with no backing at all. It's completely unfair. how would you like it if some stranger just started talking crap about the job you do at work based off nothing? It's just not right.

Now if you have something serious to say about CM not honoring rebates, and you actually dogged CM about it and emailed them, I could understand, but I have never heard of a case of someone not getting their rebate once they bothered the company a bit (granted, may take a few emails, but so what). Mail gets lost, people just never email the company asking what happened to their rebate and then will post 10 times as much as a single email slandering the company instead of simply asking about their rebate. No company simply just ignores a 'hey wheres my rebate' email...
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Sanyo DP19640 18.5" 768p KDS Rad-7xp 1024p CM Storm Quickfire Rapids Brown Rosewill Capstone 750 
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Bitfenix Shinobi Modded CM Storm Spawn Steelseries Diablo 3 2 set CD Speaker + Big Sub 
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Delidded i7-3770K 5GHz@1.499 Gigabyte Z77X-UD5H 1.1 Sapphire Dual-X 7950 3L Boost 4x2GB Mushkin Ridgeback 2200mhz 8/11/8/27 1.75v... 
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Intel X25-M 80GB SSD NH-D14 SE2011 Noctua 120/140/140 Fans 3 x Yate Loon Mediums (Petras) 2 x NZXT Havik 140mm Fans 
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Hax'd W7 Ultimate 64-bit Sanyo DP19640 19'' KDS Radius Rad-7xp 17'' Ducky 1087 MX Brown 10keyless 
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