Quote Originally Posted by Maxor420
Well if anyone has questions about how to hook up PC fans, Power supply alternatives, or similar questions..... just PM me.

I currently run an 100 watt LED setup that uses five PC fans as well. I wired the whole thing myself, using as much safety as possible. I use two PC power supplies at 650 watts, and 550 watts. I've modded the insides to bypass the power switch, and to clean up the excessive wires that are mostly un-needed.

So I'm here to help, please feel free to ask!imp:

P.S. PC power supplies are very lossy under load, meaning the more you run off one Power Supply Unit (PSU) the less voltage that PSU can produce on it's 12V line. (That is why I use two, and they are so high in wattage.... also the 550, and 650 rating is for ENTIRE wattage, and the 12V line is only getting about 50% of that total in most situations.... no matter what it says on it's sticker..... I've done excessive testing, as I am a computer repairman, and have tons of old PSU's lying around)

Wall-Wart: A power adapter, the type you plug into your wall, and will have a cord running off it, or possibly terminals where you can attach wires.

NOTE: Wall warts in the 12V DC variety are not easy to find over 500mA..... just so you know, each normal PC fan takes 140mA-170mA.......
The reason most PSUs become inefficient under load is because hardware load is not properly matched to nominal PSU output. I pull full power across every rail, but then again I am using hardware that REQUIRES 500w MINIMUM to even allow a system boot. Then I run a game, my space-heater 9800GTX+ pushes full 700w load, both on internal monitors and my Kill-a-watt external power monitor.

Find a 50w low-profile PSU and load it to the max with fans (you'll get about 14 on one) and you'll hit your energy-star 85+% efficiency rating.

Fun times trying to teach that lesson to the folks at HP for three years - they still haven't learned and that's why their laptops get so hot and burn out.