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Need help choosing an heat sink

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  • Heatsinks
  • CPUs
  • Overclocking
  • Product
Last response: in Overclocking
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July 22, 2012 8:54:28 PM

okay so basicly i have no choice but to get an after market cooler as my CPU gets hot on stock speed/cooler :S

i'd be playing crysis 2 / bf3 and my CPU not OC'd goes in the high 70s - 80/81s so it is pretty bad, here are some picture of the inside my case (i redid the cable management after taking those pics)

http://i48.tinypic.com/wjckn4.jpg
http://i45.tinypic.com/10gzi4g.jpg
http://i50.tinypic.com/wikdx3.jpg

i was gonna go for the hyper 212 but i'm afraid it is not going to fit at all with the space i have available (GPU placement to the south and transistor to the north of the CPU) so i would like to know what would be a good heatsink that is rather small that would allow me to OC my 2500k to around 4GHz while keeping decent temperatures. thanks for the help

specs are:
i5-2500k CPU
BIOSTAR TZ77XE3 mobo : http://www.newegg.ca/Product/Product.aspx?Item=N82E1681...
EVGA GeForce GTX 570 Fermi http://ncix.com/products/?sku=57361
8GB Mushkin Enhanced Silverline Stiletto 8GB 2X4GB @ 1333MHz
Crucial M4 128 GB SSD
NZXT Hale 82 650W ATX PSU http://ncix.com/products/?sku=65503&vpn=HALE82%2D650%2D...
my case : http://www.ncix.com/products/?sku=57910&vpn=Z9%20Plus&m...

to tell you how bad my stock cooler is, im playing WOW on ultra settings and my CPU reaches max temperature of 71 degree Celcius :S i did a prime95 run and after about 30-60 secs it reached 100 degree Celcius, turned prime95 off immediatly :/ 

someone from this website suggested http://www.amazon.com/Scythe-Samurai-SCSMZ-2100-Profile... but seeing as i live in canada, amazon.com can't ship to my adress and theres none on amazon.ca :( 

More about : choosing heat sink

a c 186 à CPUs
a c 150 K Overclocking
July 22, 2012 8:57:36 PM

Did you install the cooler correctly?

Do you have good case airflow?

Front intake?
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July 22, 2012 9:03:15 PM

there seems to be 1 top and on front intake fans and 1 fan at the back and on the side out take

my case is this one http://www.ncix.com/products/?sku=57910&vpn=Z9%20Plus&m...

and no thermal paste was included with my CPU/stock heatsink so my brother lent me a tube of thermal paste and he applied it

paste he used was cooler master thermal compound kit
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a c 186 à CPUs
a c 150 K Overclocking
July 22, 2012 9:25:04 PM

Do a reinstall of the paste and cooler.
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a b à CPUs
a b K Overclocking
July 23, 2012 5:24:29 PM

DON'T run PRIME95 with a stock cooler! I know its tempting brother but it's not worth it =). Try what amuff said and re-seat your cooler.
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a c 346 à CPUs
a c 131 K Overclocking
July 23, 2012 5:43:04 PM

The most likely cause of your problem is a bad mount of the stock Intel pushpin cooler.
To mount the Intel stock cooler properly, place the motherboard on top of the foam or cardboard backing that was packed with it.
The stock cooler will come with paste pre applied, it looks like three grey strips.
The 4 push pins should come in the proper position for installation, that is with the pins rotated in the direction of the arrow,(counter clockwise) as far as they can go.
Place the cooler so that all 4 pins are oriented over the holes in the motherboard.
Push down on the entire cooler so that all 4 pins are through the motherboard.
When you push down on the top black pins, it expands the white plastic pins to fix the cooler in place.

The trick to getting it on is to push down on a diagonal pair of pins at the same time. Then the other pair.
If you do them one at a time, you will not get the cooler on straight.
Lastly, look at the back of the motherboard to verify that all 4 pins are equally through the motherboard, and that the cooler is on firmly.
This last step must be done, which is why the motherboard must be out of the case to do the job.
It is possible to mount the cooler with the motherboard mounted in the case, but you can then never be certain that the push pins are inserted properly.

If you should need to remove the cooler, turn the pins clockwise to unlock them. You will need to clean off the old paste and reapply new if you ever take the cooler off.

Now, that said, for such a nice rig, I would buy an aftermarket cpu cooler. It need not be expensive. Something like a $30 cm hyper212 would be good. The 120mm fan will keep your cpu cooler, quieter, and allow you to OC a bit higher.

The cooler is 160mm high, and it looks to me like you will have no fit problems. I would orient it to exhaust to the rear.
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July 23, 2012 5:55:21 PM

i like zalman so i would get

ZALMAN CNPS9900MAX-B
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

has a blue led (not very bright)
i own two of these, this is the second biggest of the 9900 line.
can only hear it when fan is at 85% and up.
keeps system around 40 degrees under load and 20-30 idle.
5.984101832 inch
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July 24, 2012 2:40:13 AM

geofelt said:
The most likely cause of your problem is a bad mount of the stock Intel pushpin cooler.
To mount the Intel stock cooler properly, place the motherboard on top of the foam or cardboard backing that was packed with it.
The stock cooler will come with paste pre applied, it looks like three grey strips.
The 4 push pins should come in the proper position for installation, that is with the pins rotated in the direction of the arrow,(counter clockwise) as far as they can go.
Place the cooler so that all 4 pins are oriented over the holes in the motherboard.
Push down on the entire cooler so that all 4 pins are through the motherboard.
When you push down on the top black pins, it expands the white plastic pins to fix the cooler in place.

The trick to getting it on is to push down on a diagonal pair of pins at the same time. Then the other pair.
If you do them one at a time, you will not get the cooler on straight.
Lastly, look at the back of the motherboard to verify that all 4 pins are equally through the motherboard, and that the cooler is on firmly.
This last step must be done, which is why the motherboard must be out of the case to do the job.
It is possible to mount the cooler with the motherboard mounted in the case, but you can then never be certain that the push pins are inserted properly.

If you should need to remove the cooler, turn the pins clockwise to unlock them. You will need to clean off the old paste and reapply new if you ever take the cooler off.

Now, that said, for such a nice rig, I would buy an aftermarket cpu cooler. It need not be expensive. Something like a $30 cm hyper212 would be good. The 120mm fan will keep your cpu cooler, quieter, and allow you to OC a bit higher.

The cooler is 160mm high, and it looks to me like you will have no fit problems. I would orient it to exhaust to the rear.


thank you all for the great answers, i've ordered the hyper 212+ afterall , should arrive this week hopefully :)  would i be better off just waiting it out until my heatsink arrives and just slow down on the big gaming or re-install my current heatsink?
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a c 346 à CPUs
a c 131 K Overclocking
July 24, 2012 2:47:19 AM

pcfan1 said:
thank you all for the great answers, i've ordered the hyper 212+ afterall , should arrive this week hopefully :)  would i be better off just waiting it out until my heatsink arrives and just slow down on the big gaming or re-install my current heatsink?


I hate to do double work, and there is always the opportunity to screw up when you make a change.
Patience.....Patience..... I would wait.

It might help if you took off the side covers and directed a house fan at the innards temporarily.
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July 25, 2012 7:44:06 AM

geofelt said:
I hate to do double work, and there is always the opportunity to screw up when you make a change.
Patience.....Patience..... I would wait.

It might help if you took off the side covers and directed a house fan at the innards temporarily.


ill try doing that but its kinda hard as the side where i could push air from is the one facing me and the other side of my case is nearly fully closed :(  ill still push some air from that side
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!