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Recommended replacement for stock CM EVO 212 for Push/Pull

post #1 of 7
Thread Starter 
I am looking to replace the stock single 120 with 2X120's. Would high static pressure Corsairs etc be a good option, or if not, which units would you guys recommend?
post #2 of 7
The Blademaster that comes with the 212 Plus has better static pressure than the XtraFlo that comes with the 212 Evo.

In my opinion the Blademaster is one of the best budget PWM fans.

http://www.newegg.ca/Product/Product.aspx?Item=N82E16835103069
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Core I5 3570K Asus P8Z77-V LX Corsair Vengeance 8GB 1600 MHz DDR3 Seagate 2T 7200 RPM SATA 3 
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300R Rig
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Core I5 3570K Asus P8Z77-V LX Corsair Vengeance 8GB 1600 MHz DDR3 Seagate 2T 7200 RPM SATA 3 
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DVD R/W Sony Hyper 212+ Push Pull Corsair 300R 
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post #3 of 7
Thread Starter 
Is static pressure something I want as high as possible? I saw some Silverstones with really high numbers and decent bearings, but is this the way to go? Also noise isn't too much of an issue for me. I don't care too much about budget unless each fan is suddenly 25+ CAD/Fan.
post #4 of 7
Fans with good static pressure is recommended to any heatsink and radiators.

Look at post #154:
http://www.overclock.net/t/1199135/hyper-212-testing-push-vs-pull-vs-push-pull-also-horizontal-vs-vertical-positioning/150#post_18149425

Although I believe you don't really need fans with too high static pressure like Delta's or the H100 stock fans in the 212.

Look at post #10:
http://www.overclock.net/t/1243376/best-120mm-fan-for-hyper-212-evo#post_17008211

I would say go with any well recommended fans that you like.
I don't know about Silverstone's but I've heard nice things about them. thumb.gif
300R Rig
(7 items)
 
  
CPUMotherboardRAMHard Drive
Core I5 3570K Asus P8Z77-V LX Corsair Vengeance 8GB 1600 MHz DDR3 Seagate 2T 7200 RPM SATA 3 
Optical DriveCoolingCase
DVD R/W Sony Hyper 212+ Push Pull Corsair 300R 
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300R Rig
(7 items)
 
  
CPUMotherboardRAMHard Drive
Core I5 3570K Asus P8Z77-V LX Corsair Vengeance 8GB 1600 MHz DDR3 Seagate 2T 7200 RPM SATA 3 
Optical DriveCoolingCase
DVD R/W Sony Hyper 212+ Push Pull Corsair 300R 
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post #5 of 7
Yes, you are correct in that static pressure is the key spec for fans which are to be used on heatsinks/radiators, as well as case intake fans or any other fan with a notable amount of restriction.

Airflow, usually given as CFM (occasionally as CMH), and static pressure, most commonly given as mm or in H2O, are inversely related because as resistance increases the Fan is essentially sacrificing some of its maximum potential flow in order to overcome the obstacle.

My absolute favorite bang-for-the-buck heatsink and rad fans are the Koolance 120x25 & 120x38 2600rpm fans. They put out 106/117CFM and 5.4/6.4mmH2O, respectively, and use dual ball bearing motors. Best of all, they only cost $9/$10 each!
The amount of air moved by these fans is absolutely nothing short of insane, and for the power they possess they are not what I would consider loud. Their noise profile is almost entirely just the whooshing of air, with no motor noises/grinding/squeaking/etc. They do respond very well to undervolting, so you can slow them down without issue.

If you are intent on extracting the absolute maximum amount of performance possible from the 212+, this is how I'd do it:
- Remove rear case exhaust fan and cut out the grill, replacing it with a circle wire fan grill to knock restriction down from 35-55 to 3-7 percent.
- 2 Koolance 120x38 2600rpm fans in push pull
- 2x 20-25mm Fan Shrouds between each fan and the actual heatsink (you can use the frames of old/dead fans the same diameter to make a cheap but effective shroud)
- 4x Rubber Fan Gaskets to use between the fans and shrouds and the shrouds and heatsink, giving you the benefit of reduced vibration as well as a much better seal
- If possible, position the 212+ so that it is intaking from the rear where the exhaust used to be, which gives it direct access to cool air instead of recirculated hot case air; ideally you would want to have topcase fFans which would be the exhaust
- Use the best thermal interface material you can, and don't be afraid to remount the cooler if temps aren't as good as you would like. I am a big fan of Prolimatech PK1, and while I have not used it myself, I have heard that the PK3 is a very worthy successor. Either one is excellent.

If that doesn't drop temps, I don't know what will...
   
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i7 3930K @ 4.92Ghz Asus Rampage 4 Extreme EVGA GTX670 FTW 2GB  EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 
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WD10EALX 1TB HDD Seagate Barracuda 7200.14 1TB WD3200AAKS 320GB HDD WD5000HHTZ 10krpm 500GB VelociRaptor 
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LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
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2x MCP35X + Heatsinks/80x15mm Fan XSPC EX420 Alphacool NeXXos UT60 240 6x Bgears Blasters 140mm 1800rpm Fans 
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4x Koolance 120x25mm 2600rpm Fans Comp/Rotary Fittings (BP/XSPC/Monsoon) Primoflex Pro LRT - White (1/2x3/4) Windows 7 Professional 64bit  
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Z77 Bench-a-lot
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GraphicsRAMHard DriveHard Drive
EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 16GB G.Skill Ripjaws-Z @ DDR3-2248 9-10-9-26 1T Samsung 830 256GB SSD WD10EZEX 1TB HDD 
Hard DriveHard DriveHard DriveHard Drive
WD10EALX 1TB HDD Seagate Barracuda 7200.14 1TB WD3200AAKS 320GB HDD WD5000HHTZ 10krpm 500GB VelociRaptor 
Optical DriveCoolingCoolingCooling
LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
CoolingCoolingCoolingCooling
Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
CoolingCoolingCoolingCooling
2x MCP35X + Heatsinks/80x15mm Fan XSPC EX420 Alphacool NeXXos UT60 240 6x Bgears Blasters 140mm 1800rpm Fans 
CoolingCoolingCoolingOS
4x Koolance 120x25mm 2600rpm Fans Comp/Rotary Fittings (BP/XSPC/Monsoon) Primoflex Pro LRT - White (1/2x3/4) Windows 7 Professional 64bit  
MonitorMonitorMonitorMonitor
Dell P2210Hb 21.5" 1920x1080p Viewsonic VA2012WB 20.1" LCD 1680x1050 Dell U3014 Eizo 27" 1440p 10bit RGB-LED Backlit AH-IPS Panel 
MonitorKeyboardPowerCase
55" LG HDTV (their top 2014 model) Ducky Mechanical (Browns) NZXT HALE90 850W + 8 blown-up AX1200/i's NZXT Switch 810 (White) 
MouseMouse PadAudioAudio
R.A.T.3 + MX510 My Desk GRADO RS1i Headphones Grado PS1000 Headphones 
OtherOtherOtherOther
Bitfenix Hydra Pro Fan Controller 5ch 30W/ch Bitfenix Alchemy Individually-Sleeved Extension... NZXT Individually-Sleeved Front Panel Wires (Bl... Phobya Sleeved 1x3pin-to-4x3pin Fan Splitter 
OtherOtherOther
Sleeved Wires w Paracord myself (no Heatshrink) Custom Front and Top Panels w HexxMesh *In Prog... Working on Custom Pedestal Prototype 
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by nleksan View Post

Yes, you are correct in that static pressure is the key spec for fans which are to be used on heatsinks/radiators, as well as case intake fans or any other fan with a notable amount of restriction.

Airflow, usually given as CFM (occasionally as CMH), and static pressure, most commonly given as mm or in H2O, are inversely related because as resistance increases the Fan is essentially sacrificing some of its maximum potential flow in order to overcome the obstacle.

My absolute favorite bang-for-the-buck heatsink and rad fans are the Koolance 120x25 & 120x38 2600rpm fans. They put out 106/117CFM and 5.4/6.4mmH2O, respectively, and use dual ball bearing motors. Best of all, they only cost $9/$10 each!
The amount of air moved by these fans is absolutely nothing short of insane, and for the power they possess they are not what I would consider loud. Their noise profile is almost entirely just the whooshing of air, with no motor noises/grinding/squeaking/etc. They do respond very well to undervolting, so you can slow them down without issue.

If you are intent on extracting the absolute maximum amount of performance possible from the 212+, this is how I'd do it:
- Remove rear case exhaust fan and cut out the grill, replacing it with a circle wire fan grill to knock restriction down from 35-55 to 3-7 percent.
- 2 Koolance 120x38 2600rpm fans in push pull
- 2x 20-25mm Fan Shrouds between each fan and the actual heatsink (you can use the frames of old/dead fans the same diameter to make a cheap but effective shroud)
- 4x Rubber Fan Gaskets to use between the fans and shrouds and the shrouds and heatsink, giving you the benefit of reduced vibration as well as a much better seal
- If possible, position the 212+ so that it is intaking from the rear where the exhaust used to be, which gives it direct access to cool air instead of recirculated hot case air; ideally you would want to have topcase fFans which would be the exhaust
- Use the best thermal interface material you can, and don't be afraid to remount the cooler if temps aren't as good as you would like. I am a big fan of Prolimatech PK1, and while I have not used it myself, I have heard that the PK3 is a very worthy successor. Either one is excellent.

If that doesn't drop temps, I don't know what will...

Thank you so much for your in depth post! I will definitely use some if not most of the advice here as I have heard of Koolance before, and this only serves to cement this.
Cheers!
post #7 of 7
Thread Starter 
Quote:
Originally Posted by edsai View Post

Fans with good static pressure is recommended to any heatsink and radiators.

Look at post #154:
http://www.overclock.net/t/1199135/hyper-212-testing-push-vs-pull-vs-push-pull-also-horizontal-vs-vertical-positioning/150#post_18149425

Although I believe you don't really need fans with too high static pressure like Delta's or the H100 stock fans in the 212.

Look at post #10:
http://www.overclock.net/t/1243376/best-120mm-fan-for-hyper-212-evo#post_17008211

I would say go with any well recommended fans that you like.
I don't know about Silverstone's but I've heard nice things about them. thumb.gif

Thank you for the reply! The posts were helpful!
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