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Info on motherboard: with fan or fanless?
Hi all,
I'd like to buy a pc with an Amd 6.4 ghz dual core. A vendor proposes a system based on the motherboard Asus m2n4-sli http://www.asus.com/products.aspx?l1...=0&model=1266&... which is fanless. What exactly is the difference in performance and reliability between a fanless motherboard and one with a fan, other than noise? How well does a fanless system dissipate heath and how long can it stay turned on without damage? I may be saying something very stupid but does fanless motherboard imply that the processor, too, is not cooled by a fan? The most cpu-intensive task I'll run is video encoding. I'd like to run videoencoding at night, while I sleep, in the same room where the pc will be. So I need some compromise between a pc that goes on fire and one that keeps me awake with its airplane-like noise Thank you all for your help! |
#2
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Info on motherboard: with fan or fanless?
wrote in message
... Hi all, I'd like to buy a pc with an Amd 6.4 ghz dual core. A vendor proposes a system based on the motherboard Asus m2n4-sli http://www.asus.com/products.aspx?l1...=0&model=1266&... which is fanless. What exactly is the difference in performance and reliability between a fanless motherboard and one with a fan, other than noise? How well does a fanless system dissipate heath and how long can it stay turned on without damage? I may be saying something very stupid but does fanless motherboard imply that the processor, too, is not cooled by a fan? The motherboard chipset is the component that gets hot. It needs some form of cooling. Generally, cheap motherboards use a heatsink and small (whiny) fan are fitted and on better quality motherboards, a larger more efficient passive heatsink is used. The chipset cooling (fan or not) is nothing to do with the CPU cooler - that is up to the system builder. The most cpu-intensive task I'll run is video encoding. I'd like to run videoencoding at night, while I sleep, in the same room where the pc will be. So I need some compromise between a pc that goes on fire and one that keeps me awake with its airplane-like noise Then you need to get: A quiet PSU (power). Quiet CPU cooler Some quiet case fans A Quiet hard disk A fanless or quiet graphics card. Tell us more about any gaming you might do, so we can help recommend a graphics card. |
#3
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Info on motherboard: with fan or fanless?
The motherboard chipset is the component that gets hot. It needs some form of cooling. Generally, cheap motherboards use a heatsink and small (whiny) fan are fitted and on better quality motherboards, a larger more efficient passive heatsink is used. So are fanless motherboards usually cheaper, less reliable systems or not necessarily? The chipset cooling (fan or not) is nothing to do with the CPU cooler - that is up to the system builder. The most cpu-intensive task I'll run is video encoding. I'd like to run videoencoding at night, while I sleep, in the same room where the pc will be. So I need some compromise between a pc that goes on fire and one that keeps me awake with its airplane-like noise Then you need to get: A quiet PSU (power). Quiet CPU cooler Some quiet case fans A Quiet hard disk A fanless or quiet graphics card. Tell us more about any gaming you might do, so we can help recommend a graphics card. To be honest, the game I use the most is the old Worms World Party, and it's not even 3D! I may try some newer game from time to time, but I wouldn't want to spend much money on the graphics card just for gaming. I want one that works with Linux, though, and especially with all the 3d effects of Compiz Fusion. I was thinking of the Nvidia GeForce 8500 or 8600. What do you think of the ori series desktop (http://efficientpc.co.uk/ desktops/ori/) ? I like it because it's Linux-ready. Thanks! |
#5
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Info on motherboard: with fan or fanless?
wrote in message
... The motherboard chipset is the component that gets hot. It needs some form of cooling. Generally, cheap motherboards use a heatsink and small (whiny) fan are fitted and on better quality motherboards, a larger more efficient passive heatsink is used. So are fanless motherboards usually cheaper, less reliable systems or not necessarily? Not necessarily less reliable and I was generalising when I called them cheaper. The chipset cooling (fan or not) is nothing to do with the CPU cooler - that is up to the system builder. The most cpu-intensive task I'll run is video encoding. I'd like to run videoencoding at night, while I sleep, in the same room where the pc will be. So I need some compromise between a pc that goes on fire and one that keeps me awake with its airplane-like noise Then you need to get: A quiet PSU (power). Quiet CPU cooler Some quiet case fans A Quiet hard disk A fanless or quiet graphics card. Tell us more about any gaming you might do, so we can help recommend a graphics card. To be honest, the game I use the most is the old Worms World Party, and it's not even 3D! I may try some newer game from time to time, but I wouldn't want to spend much money on the graphics card just for gaming. I want one that works with Linux, though, and especially with all the 3d effects of Compiz Fusion. I was thinking of the Nvidia GeForce 8500 or 8600. What do you think of the ori series desktop (http://efficientpc.co.uk/ desktops/ori/) ? I like it because it's Linux-ready. I would go for a passively cooled card. I personally have a GeForce 7600 GS (MSI). Fast enough for all the games I play and totally silent. Sounds like you don' need anything very powerful, so I would concentrate on getting a passively cooled, silent card. I would expect any common, but not cutting edge GFX card runing with a passive cooler would have drivers for Linux around somewhere. |
#6
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Info on motherboard: with fan or fanless?
On Thu, 28 Feb 2008 02:49:13 -0800 (PST),
" wrote: Hi all, I'd like to buy a pc with an Amd 6.4 ghz dual core. A vendor proposes a system based on the motherboard Asus m2n4-sli http://www.asus.com/products.aspx?l1...=0&model=1266&... which is fanless. What exactly is the difference in performance and reliability between a fanless motherboard and one with a fan, other than noise? There is no difference in performance and no difference in reliability IF the system is otherwise set up properly. Passively cooled components require more attention to the chassis airflow and in some cases (typically northbridge near the CPU socket) may have been designed to work better with CPU heatsink-fan combinations that blow some air towards them. Generally speaking it is not hard to set up a system to properly cool with a passive heatsink, if the vendor is proposing a whole system solution then it is his/her burden to make complimentary selections. Passive parts do tend to run a bit hotter, it will reduce your overclocking potential if all else were equal. Overall, over the life of the system a well designed system with passive chipset 'sink would be more reliable because you dont' have the small high(er) RPM fan failure potential and these fans do tend to be among the shortest lived in the system (along with video card fans). How well does a fanless system dissipate heath and how long can it stay turned on without damage? Well enough, given proper system design with a case having ample low front intake, it can stay turned on indefinitely. I may be saying something very stupid but does fanless motherboard imply that the processor, too, is not cooled by a fan? No. The most cpu-intensive task I'll run is video encoding. I'd like to run videoencoding at night, while I sleep, in the same room where the pc will be. So I need some compromise between a pc that goes on fire and one that keeps me awake with its airplane-like noise Thank you all for your help! I recommend an aftermarket CPU heatsink as one can be selected that keeps CPU cool enough with less noise. One low cost alternative is an arctic cooling freezer 64 pro. Video encoding using semi-modern codecs may prove faster using a Core 2 Duo based system rather than Athlon 64, though if running overnight, perhaps the performance doesn't matter so much as long as it's finished by morning? Generally the compromise is the right choice of heatsink and case. Choose a case with large mostly unrestricted lower front intake area and at least a rear 120mm exhaust fan. Side panel fans are optional and generally best avoided unless the system has particularly high heat producing parts like a higher end gaming video card(s), or if the wrong case were chosen which had bad airflow and a side fan were the easiest remedy.... and even then the typical side fan is a small 80-92mm size when it ought to have been 120mm and lower RPM. Without several hard drives and a gaming video card the only fan it would need in a typical moderate room environment is a rear 120mm fan. |
#7
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Info on motherboard: with fan or fanless?
Thanks a lot! Yes, most of the encoding will run overnight, so speed
is not crucial, i.e. I'd rather save a bit more and get an AMD.* |
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