Can I run the Delta 38cfm 'black label' fans off my Motherboard Fan Headers?

[mark]

Delta 60mm Ultra H.O. - 60mm - 25mm - 3 pin - 37.61cfm - 46.5dba - 6800rpm - 3.84watts - 0.32amps
I am thinking of getting two of these.
Right now I have the Alpha p3125s with 2x 60mm Sunons @
2.2 watts each off my fan headers.
I have an Asus P3V4X Motherboard.
I know they are loud, but that's ok.
http://www.mjstebbins.com/case.htm
mark

[cookedcomp]

YES!! Of course you can! not enless you don't have any 3-pin fan connectors left. :)

[mark]

i'm kinda asking if the wattage/ampage is too much for the headers to handle.

[Super]

Yes you can, but DON'T. The fan needs too much, and its going to burn the header after sometime.

[bum4evr]

Post edited by Newbie_Doo

[Super]

Everyone was a newbie someday! Still, the number of posts doesn't show your smartness.

[mark]

bum4evr (Aug 03, 2001 01:00 a.m.):
Note: Edited by Newbie_Doo

<sigh>
you have 4 posts, please grow up.
you don't like it, leave.
i have a fiance, with 2 kids, i have a wonderful life.
i think i am asking a pertinent question to the board
looks like you are the one with the problems.
have a good day.
mark

[*spazzed*]

bum4evr (Aug 03, 2001 01:00 a.m.):
Note: Edited by Newbie_Doo
<sigh>

Let me ask you this: Do you personally have a hobby? If not, think about getting one, since that girlfriend might not last forever. People have different hobbies ya know.........

[flaming gerbil]

i don't reccomend using fan headers in a overclocked computer. buy an adapter to plug directly into your power supply. i lost a motherboard by doing exactly this. i bought a dual fan for my 370 cpu and plugged it into the header. zap! you need to worry about localized heat also. by adding fans you can increase heat in a certain area and this can cause circuit breaks. by plugging directly into the power supply you take the load off your motherboard. this is not a dumb question. i rarely see anyone mention this problem. it's a drag to lose a motherboard to a fan.

[Newbie_Doo]

bum4evr (Aug 03, 2001 01:00 a.m.):
Post edited by Newbie_Doo
<sigh>

This is your first and only warning. Flames are not tolerated on this board, by anyone, at anytime. Please abide by the rules of this house.

[M@€$†®Ö™]

It does make sense to take a load off of the mobo for sure. A nice thing to learn is what your fan headers can take in terms of load. This does not change what was said earlier at all. Just when you run a delta which is basically the fastest fan for its size on the market I know of its better to be on the side of caution then lose a mobo. You think a Delta 6800 rpm moving 38 cfm is fast there is a 8k rpm Delta out that moves 50 cfm now that is a screamer and defintely not for the fan headers.

Maestro

[Kingslayer]

Most motherboards out there can't put that amount of draw on the fan headers. That Delta fan pulls 3.5 to 4 watts. Most motherboards can only handle a 3 watt draw.

Unless you are lucky enough to own an Abit VP-6 which can handle a 6 Watt draw off the motherboard fan headers.

[sgt. york]

I have an Asus A7v133 MB and the fan headers are rated at 4.2 watts, so I do have my Delta running off of it. But not all MB's are the same so the best thing to do is just the specs on your MB. I do know I'm unhooking the Delta from the MB as soon as I get a Digital Doc5.

[mark]

anyone know what an asus p3v4x is rated at for it's fan headers?

[Kingslayer]

I can't find any documentation on that Asus. I would send an email to their support and see if you get an answer.

[cookedcomp]

First off Bum4evr I"M DISCUSTED!! and secondly i think the a7a266 goes to 4.2 watt fan header, atleast that is what my manual says

[M@€$†®Ö™]

Do you know the max amperage draw the fan header can take or put out ? For that Mobo ?

Maestro

[The Coolest]

So you are suggesting that the way to be on the safest side with your mobo
is to connect the fans to the power supply? I have 3 80mm fans @ about 0.15Amps, 2 40mm fans and 1 50mm fan all connected to the power supply.
is it OK?

[Kingslayer]

Not at all. Just the Delta 38's. They draw to much power to safetly run on the motherboard headers.

Granted some motherboard makers are becoming hip to this and putting better headers in. But your normal fan isn't going to hurt the header, and not hooking them up isn't going to help your power stability of your motherboard. Remember, the motherboard is designed with draw on the headers in mind.