Peltiers and power supplies...

[JJHendrix]

Does everyone just use 2 power supplies to power their peltier? I am getting a new case and will probably be using a peltier with it. Should i just get a 250 watt or 300 watt power supply and then use a different PS for the peltier? Has anyone ever used just one PS (maybe 350 or 400 watt) with a peltier on their system?
I don't have that many system components...a couple fans, one HD, one dvd/cd-rom drive, 1 video card, modem, sound card, network card - that's it. If i got a good 350 watt power supply do you think it would be sufficient for the peltier?

Thanks.

 

[Ulysses]

Have you checked Swiftech:
http://www.swiftnets.com/
or
http://www.swiftnets.com/cgi/shop.pl/page=FrameSet.htm ?

I've seen recommendations for a PS with 12 amps @ 12 volts for Peltiers, and I see S/tech has a 300 W like that plus a 400 W with 14 A @ 12 V. PS's with those specs are extremely rare even with good consumer type cases, so I suppose people just get a 2nd PS 'cause it's cheaper.

 

[BuddyHolly]

I have always used just my one 300w power supply. Works fine. 12a on the 12v line..

 

[JJHendrix]

Buddyholly...I am using just a 55W peltier, so that 300 W power supply should be more than adequate for me.
What do you mean by 12a on the 12v line?
thanks for the help.

 

[BuddyHolly]

For a pelt, the most important thing is the output on your 12v line. It should be listed on your power supply. Not all 300w p/s have that kind of power output, but most should be ok with a 55w pelt. Hope that helps. Let me know if not