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Cooling FX5700 Ultra On A Budget???

post #1 of 6
Thread Starter 
Greetings All!

New member here! I'm in the process of improving my system's cooling and I was wondering if I could use a case-type fan to cool my vid card. If so, what size would I use (I'm guessing 40mm)?

Also, does anyone know what the RPM rating is for the stock fan on the FX5700 Ultra? Believe it or not, BFG "does not have that information"!!!

Thanks for any help!
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Celeron D 310 2.13 GHz Foxconn 648FX4MR-ES Windows XP Home SP2 EchoStar 580W Dual Fan 
Case
Custom ATX Mid-tower 
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My System
(13 items)
 
  
CPUMotherboardOSPower
Celeron D 310 2.13 GHz Foxconn 648FX4MR-ES Windows XP Home SP2 EchoStar 580W Dual Fan 
Case
Custom ATX Mid-tower 
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post #2 of 6
Yep, a 40x40mm fan will do the trick perfectly (if it doesn't then you might need to use a 45x45mm fan but I think the 40mm one will fit).
I once replaced the fan on my FX5200 with a Sunon 40x40mm.
The Sunon KDE1204PFV2 fan rotates at 5800 rpm and is typically rated at 7.0 CFM.
There are however two other models: The Sunon KDE1204PFV1 fan which rotates at 7000 rpm and is rated at 8.0 CFM and the Sunon KDE1204PFVX fan which rotates at 8500 rpm and is rated at 9.5 CFM.
Of course the faster the fan rotates the more noise it generates. I would go with the slowest since it's more than enough to cool your video card.
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P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
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Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
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P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
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Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
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post #3 of 6
Thread Starter 
okay, got the fan... I went with a 5800rpm... thanks!

now what type of heatsink should I use and where can I get one?
My System
(13 items)
 
  
CPUMotherboardOSPower
Celeron D 310 2.13 GHz Foxconn 648FX4MR-ES Windows XP Home SP2 EchoStar 580W Dual Fan 
Case
Custom ATX Mid-tower 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSPower
Celeron D 310 2.13 GHz Foxconn 648FX4MR-ES Windows XP Home SP2 EchoStar 580W Dual Fan 
Case
Custom ATX Mid-tower 
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post #4 of 6
Why are you making your own heatsink? It isn't really smart idea, as you don't know how well it will cool. I would reccomend getting the Zalman VF-700 Cu off of xoxide.com. It is only $36 shipped to most places in the US. It will be quiet, and you'll be able to overclock higher. Also, you could try to jerryrig an 80mm fan over the card so that all the parts of it get cooled. 40mm fans aren't as reliable, as they tend to rotate very fast.
post #5 of 6
Quote:
Originally Posted by jaygee61
okay, got the fan... I went with a 5800rpm... thanks!

now what type of heatsink should I use and where can I get one?
I thought your VGA already had a passive heatsink (a heatsink without a fan) and you wanted to adapt a fan and install it.
If it does indeed have a passive heatsink already installed on the GPU then you should get 4 long screws and try to fix the fan with them (screw them between the heatsink fins so they hold the fan in place). The fan should be blowing air on the heatsink (inward).
That's what I did to my Asus mobo's northbridge passive cooler along with using AS5 and it dropped my NB temps by 4 to 5C during gaming.

On the other hand, you can follow laboitenoire's advice and get yourself the Zalman VF700-Cu as it will give you a better performance since it's made of copper.
My System
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CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
PowerCaseMouse
Antec TruePower II 480W TT SViking (modded) Logitech G5 +TT Gamma Pad 
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post #6 of 6
Thread Starter 
Hey... thanks for all the tips!

I ended up mounting an 80mm over the unused PCI slots on my mainboard directly in front of the card and it's cooling nicely... 38° GPU - 35° Ambient GPU while browsing. I can live with that!

BTW... here's a tip for ya'll... double-sided sticky tape is one of THE BEST things I've found for mounting fans in places where you normally couldn't! It holds like you wouldn't believe and is practically invisible if you use it sparingly!

Thanks again!
My System
(13 items)
 
  
CPUMotherboardOSPower
Celeron D 310 2.13 GHz Foxconn 648FX4MR-ES Windows XP Home SP2 EchoStar 580W Dual Fan 
Case
Custom ATX Mid-tower 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSPower
Celeron D 310 2.13 GHz Foxconn 648FX4MR-ES Windows XP Home SP2 EchoStar 580W Dual Fan 
Case
Custom ATX Mid-tower 
  hide details  
Reply
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