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Single 120mm fan: Push or Pull on Hyper 212+ in Lian Li PC-A05? - Page 2

post #11 of 12
Nice, awesome improvement on the temps. Looks like a great heatsink too, very immediately obvious why it's better than the hyper 212... they split it up into 2 sub-sinks and put a nice big fan in the middle & one on the other end, 6 heatpipes instead of 4, and increased the surface area of the fins significantly (when you combine the 2 sub-sinks). I'm really curious why they are nickel coated copper pipes though.... I would think the contact resistance would make it less effective than just copper, but maybe there's something I'm missing with that.

The best part that almost makes me laugh, is the little teeth they put on there... I can't see any performance related reason they would put teeth like \/\/\/\/ instead of \_____/. Area is more important than Perimeter, so I guess they did that to meet a certain spec at a strict cost limit.

Can I ask what your max temps (I would like the max temp of the highest single core) were with: Hyper 212+ 1 fan, Hyper 212+ 2 fans, NH-D14? When you said 10-12C difference kinda wondering what exactly you meant. Also what stress test was it in.

Lastly by 2 fans with the Hyper 212 do you mean your setup in the first post? Or did you go and get a 2nd fan for the Hyper 212 and slap it on there for a total of 3 fans in that general area of the case?

sry for 20 questions
Edited by donkrx - 7/25/11 at 11:40pm
    
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post #12 of 12
Thread Starter 
Quote:
Originally Posted by donkrx View Post
Nice, awesome improvement on the temps. Looks like a great heatsink too, very immediately obvious why it's better than the hyper 212... they split it up into 2 sub-sinks and put a nice big fan in the middle & one on the other end, 6 heatpipes instead of 4, and increased the surface area of the fins significantly (when you combine the 2 sub-sinks). I'm really curious why they are nickel coated copper pipes though.... I would think the contact resistance would make it less effective than just copper, but maybe there's something I'm missing with that.

The best part that almost makes me laugh, is the little teeth they put on there... I can't see any performance related reason they would put teeth like \\/\\/\\/\\/ instead of \\_____/. Area is more important than Perimeter, so I guess they did that to meet a certain spec at a strict cost limit.

Can I ask what your max temps (I would like the max temp of the highest single core) were with: Hyper 212+ 1 fan, Hyper 212+ 2 fans, NH-D14? When you said 10-12C difference kinda wondering what exactly you meant. Also what stress test was it in.

Lastly by 2 fans with the Hyper 212 do you mean your setup in the first post? Or did you go and get a 2nd fan for the Hyper 212 and slap it on there for a total of 3 fans in that general area of the case?

sry for 20 questions
Max temps with D14:

@ 4.5 GHz, 1.29V on my 2500K in a hot room (81 degrees F ambient)

Prime95 Blend: 60C
LinX_AVX: 68C (the AVX version produces much higher temps than Prime95 for CPUs that support AVX)

When I say 2 fans, I mean 2 fans on the 212+ (1200 rpm each) plus a case intake fan right next to the 212+ (so 3 total you could say). The 212+ does not really benefit a whole lot from more than 1 fan because its fin array isn't that large.
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5 GHz SFF Box
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Core i7-2700K @ 5.0 GHz, 1.38V Asus Maximus IV GENE Asus GTX 670 DC II 4x4GB Samsung 30nm @ DDR3-2133 9-9-9-21 1.5V 
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Plextor M3 SSD WD Velociraptor 500GB WD Caviar Black 1TB WD Caviar Green 2TB 
CoolingOSMonitorKeyboard
Thermalright HR-02 (GT AP-15 Push/Pull) Windows 7 Pro x64 LG 27" 2560x1440 S-IPS (Calibrated with Eye-One) CM Quickfire Rapid 
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Seasonic X-750 Silverstone SG09 Logitech MX518 Steelseries QcK 
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