Gigabyte 6850 Replacement Fan

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Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 7:03 am

hi there friends , first time here and here is my problem:
i have this GPU (http://www.gigabyte.com/products/product-page.aspx?pid=3614#ov) , its not the overclocked one , its a really cool GPU but 1 of the fans started to make a grinding sound so i unplugged it and checked it out , its too much loose so i think i had to replace it (i dont know how to fix it) but the problem is in the internet it says its 80mm , but when i used a ruler its 75mm , so my question is either 1 of the 2:

1-how to proply mesure a fan ( note it has no frame , i have attached its pic) is it from blade tip to blade tip?
2-or if someone can tell me wt fan replacemet i must get (from amazon ebay .....etc) but it must be 2pin.

thx in advanced for any help i can get.

here is the pic of my noisy fan :
http://imgur.com/lQy1vSf
http://imgur.com/4N3hTE2
http://imgur.com/N5LND0Q
http://imgur.com/tWqbpvP

note , i am working now with 1 fan and man the gigaybyte 6850 GPU is amazing , the max temp when playing 3d online game is 64c , but when i run skyrim its 84c so i fear for my GPU cuz i love it.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 7:34 am

Well, do you have any stock CPU cooler fans lying around?

I have an 560TI twincooler that the fans completely died. Custom(replacement) fan solutions were too expensive.(For $50, I'd just put the money into upgrading to a new card)

Solution: Two AMD CPU stock cooling fans zip tied onto the existing cooling fins.

Works and is pretty quite (fans on all the time, no ramp up and down) Able to Fold on the card at around 60C.

Looks like a rats nest(fan wires, bulk of fans taking extra slot) but has held up for about a year. :wink:

Image
Last edited by mdk77777 on Sun Sep 01, 2013 7:54 am, edited 1 time in total.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 7:39 am

If you have trouble finding the fan replacement you could always replace the whole cooler with something better like a Arctic Accelero Twin Turbo II that come with ram heatsinks and all and it quieter then what you have more then likely.
It is a fun little project that will probably let you overclock a little better "depending on your chip" plus it comes with VRM and memory cooling sinks to install.

here is the manufacturers page http://www.arctic.ac/en/p/cooling/vga/3 ... tml?c=2182

Newegg has them for 39.99 with free shipping available http://www.newegg.com/Product/Product.a ... 6835186052
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 8:05 am

Yeah, $40 is a good price, but a 6850 is a rather dated card.
Nothing lasts forever...I wouldn't spend that much to prolong its life. :wink:

You always need an excuse to upgrade to a better card anyway right?
Unlike cell phones, there really is a 2x improvement for your investment. :wink:
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 11:16 am

A friend's video card's fan stopped working completely and I was able to revive the fan by taking the whole heatsink fan assembly from the card itself, removing the fan from the heatsink, peeling off the fan's sticker, and putting a few drops of oil inside the fan's hole. I can't remember what kind of oil I used. Probably sewing machine oil or something.

Those fans tend to get dusty inside and the dust clogs it all up. A few drops of oil won't clean it but it should free up whatever's stuck in there.

Also, I was in Hong Kong a few years ago and I did spot some aftermarket GPU heatsink/fans. They look just like the flashy ones that come with many higher end video cards, so replacements do in fact exist somewhere out there. You may wanna contact your card's manufacturer and ask them about where you could possibly get a replacement cooler if what I suggested above doesn't work.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 12:10 pm

6850 isn't that old but 40-50 bucks for a fan is pretty rich. I would either suggest hacking in a cheap 80mm case fan or getting a USB or small wall outlet fan to blow on it and then think about upgrading in a few months when GPUs that would constituate a legitimate upgrade hit commodity prices.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 1:49 pm

ok thanks all for the suggestion , but all i asked is how i can know the measurement of a fan, is it a 75mm or 80mm i already opend the card and cleaned it and changed the paste and about the price , 50$-60$ is way too much than i find , have a look at these:

http://www.ebay.com/itm/New-75mm-ATI-NVIDIA-VGA-Video-Card-Cooler-Fan-Replacement-40mm-2Pin-T128010SM-/171092855158?pt=US_Video_Card_GPU_Cooling&hash=item27d5edc976

http://www.amazon.com/Evercool-80mm-Drop-Replacement-screw/dp/B009D3GEEQ/ref=sr_1_7?ie=UTF8&qid=1378060312&sr=8-7&keywords=gpu+fan+replacement

and about the dated card , i dont think so bcz with this card i can max out all games excapt BF3 , Crysis3 , and also i loved it bcz with 1 fan the card dont over heat to a dangers level
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 2:47 pm

To repair your Gigabyte Windforce 2X parallel inclined cooler, you could...
$0 Oil the fan bearing as ronch suggested.
$0 Contact Gigabyte for a warranty replacement.
$15 Replace the original fan with a similar caseless fan. It's probably larger than the 80mm Evercool. 1 inch = 25.4 mm.
$10 Hack a case fan to the cooler with some zip ties or rubber bands as mdk77777 suggested.
$40 Replace the cooler with an aftermarket cooler from Arctic Cooling as vargis14 suggested.
100+ Replace the entire card with a Radeon HD7790 or better as mdk77777 suggested. Wait until new Hawaii GPUs arrive in October before making a purchase.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 3:50 pm

ok thanks a lot for a direct answer but i still have some questions if u don't mind:

1-i tried to oil it but there is no holes from either side , and i read somewhere in the net that these type of fans must be total open (board - the fan blades) in order to be oiled.
2-warranty is no more , so this is not an option.
3-i think i will be doing this ( i prefer it for the time being) but u said its bigger than the 80mm? , i measured my broken fan and i got it 75mm from tip to tip, so u think it wont fit or it will be smaller (also i read some reviews about this GPU and they say its 80mm , so i dont know wt to believe).
4-not a clean hack (that's my own opinion , plz understand).
5-i prefer 3 bcz its cheaper for now and less work.
6-i wish i can do it , but i am little on budget right now, maybe after 3-4 months i might get the 7850 or 7870.

again thanks for everyone who took time to look in to this.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 3:58 pm

I saw some Newegg product reviews that indicated that the Evercool 80x10mm fan measured about 75mm. I didn't find a link to someone using it with your exact graphics card.

Modifying the fan power connection isn't too challenging if you're patient. A wire stripper, some soldering and shrink wrap or electrical tape would let you use the plug off of the original fan if you had to.

If you're trying to oil the center bearing on your existing fan, it's located under the sticker.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 4:30 pm

and that's wt confuses me really (the fan size), about the power cable i have no problem with it , but the size.

i think it is as follows:
the fan size (tip to tip) = 75mm
the fan case (the plasic which is around the fan edges) = 80mm

about the oiling i opened both stickers (top and buttom) but there is no holes at all , also i think i forgot to mention it, its not that only dirty but also way too loose , if i hold the blades and move it up and down it moves way too much than the other fan.

thanks for help (JustAnEngineer) , and nice name btw
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 5:21 pm

i think it is as follows:
the fan size (tip to tip) = 75mm
the fan case (the plasic which is around the fan edges) = 80mm


The card doesn't care. :wink:

75,80,85,90

as long as it fits( and you can figure out how to attach) on your card and doesn't hit anything else in your case, you are all good. :lol:

The real problem is the fan has very poor attachment points
but also way too loose , if i hold the blades and move it up and down it moves way too much than the other fan.
, hence poor reliability and hence your frustration in finding a simple off the shelf replacement.

I have nothing against the 6850. I had one for years and passed it along to a kid for his low budget build.

It just is not worth the investment to pay for a custom cooling solution repair at this point in its life-cycle. :wink:
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 8:29 pm

Optimistically, you might win a new graphics card. :D

If the $10 fan fixes your card, that's not breaking the bank. Just don't put half the cost of a replacement card into it.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sun Sep 01, 2013 9:30 pm

Or if you have a 80mm case fan around just rubber band it to your video card and power it through a molex plug:)

Considering a 6850 at 725 core and 1000 something memory it still is faster then a 7770. Once you get a fan rigged up on it I would install MSI afterburner and run it at 900-980mhz core and 1125-1150 memory. Its safe to put a little extra extra voltage on the GPU also 1.25v should be ok. Just watch your temps. you can get 20+ % performance boost for free.

Now you could get one of those noisy crappy PCI slot VGA cooler cards...But i happened to find this Titan model at newegg that looks pretty nice and is adjustable. Best looking one I have ever seen. 22$ I would get 2 of them if i had the money to blow air on the back of my cards if i had money to burn. Here is the link if you want to look at it. http://www.newegg.com/Product/Product.a ... 6835192026 for a PCI fan card its pretty cool looking:) reviews say its quiet too. Newegg has this too that looks pretty cool from Evercool where you remove your current plastic shroud and fans and put this in its place for 17$ http://www.newegg.com/Product/Product.a ... 6835119167

Amazon has it for 13$ http://www.amazon.com/Evercool-Heatsink ... _sbs_pc_20
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Re: Gigabyte 6850 Replacement Fan

Postposted on Sat Nov 02, 2013 7:52 pm

You may want to look for this cheap fan cooler Ultra Carbon X4 Multi-Socket VGA Cooler it's basically equivalent to the DirectCU from Asus cooling. I modified my 6850s for better cooling this way. It's quiet at full fan speed, although it is a dual slot cooler. It keeps the temperatures down and allows for more overclocking head room. You can find it at TigerDirect, I found it at the retail stores for like $15 comes with everything you need including thermal tape.

One warning though the fan pin-out is irregular but I can give you a guide to rewire to be a 4-Pin PWM and you can plug it in directly to a motherboard fan header.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Mon Nov 04, 2013 12:17 pm

mdk77777's zip-tie and case fan is probably the best solution because it's both cheap and incredibly easy.

There's no point making it pretty, just make it work.
In a year or two the card is going to be obsolete anyway, so you just need to make it function however you can ;)
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Re: Gigabyte 6850 Replacement Fan

Postposted on Mon Nov 04, 2013 12:38 pm

Just so you know this post is from way back in September.

Never did figure out what the Op did to repair it.
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Re: Gigabyte 6850 Replacement Fan

Postposted on Tue Nov 05, 2013 2:26 pm

vargis14 wrote:Just so you know this post is from way back in September.

Never did figure out what the Op did to repair it.



Oh yeah, it was Necro'd to the frontpage again :)
Duct tape and zip ties can fix anything.
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