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del
June 28, 2011, 02:38:08 PM
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June 29, 2011, 12:11:41 PM
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got one sapphire 5850 xtreme and the fan is next to dead

what type of fan or cooler can i put on this ? i prefer to put a fan but that type ?

http://forum.bitcoin.org/index.php?topic=18111.0

http://forum.bitcoin.org/index.php?topic=10341.0


let me know if you find a place where you buy the original one

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June 30, 2011, 12:01:59 PM
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i got a fan from a xfx 5850 and is working  Grin
where the heck did you get that from?

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June 30, 2011, 05:48:30 PM
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I found the fans on my 2 Sapphire 5850 xtreme's too loud so I replaced them with Zalman VF3000A coolers.  The stock coolers work perfectly well but are of no use to me at all and just sitting in a box Sad.

Note:  Although the Zalman VF3000A coolers are excellent they are not designed for the Xtreme cards.  Each card will block two pci slots and the cooler will extend 4cm beyond the end of the card so make sure you have room before ordering one of these.  Also, the coolers largely obstruct the fan connector on the cards and the fan connectors are 3-pin (the board supplies 4-pin) so you'll need to connect the fans to the motherboard or something.  On the plus side, if your gpus are still the loudest element of your computer then I have to say you must have a VERY quiet PSU.
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July 01, 2011, 06:05:14 AM
 #5

Also, the coolers largely obstruct the fan connector on the cards and the fan connectors are 3-pin (the board supplies 4-pin) so you'll need to connect the fans to the motherboard or something. 
no need just put the cable this the original connector, take the plastic off the wire, double them and insert them on the Zamlan connector holes the apply duck tape, and if you get a fan that have 4 pins is even better 

True, you could do this.  But it does mean cannibalising the stock coolers.  Also, I don't think the card will be able to control the speed of the fans after doing this but I could be wrong.

Whacking them into the motherboard was an easy solution for me because I had two 3-pin fan connectors on the board not in use anyway and the cards only need minimum fan speeds with these coolers (temps are 64C and 49C respectively, the hotter card is taking in air from just behind the cooler card).

I'm sure you could get a 4-pin molex to 2x3-pin fan connectors adapter and use that too and use the fan mate 2 which comes with the Zalman VF3000A to force minimum fan speed at all times.
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July 03, 2011, 01:47:09 AM
 #6

Did that temporarily but it work so well it will stay.



Next improvement;  make groove in the plastic so that the fan don't move side-way.

Fan run slow and temp is ~70c.
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