Never hook all 4 up to the same plug.
old Cell phone chargers work well for the computer fans.
You can buy a box full of chargers on ebay for $20 or less.
yeah it will run all 4 fans the adapter is 12v 1000ma
and all for fans are 640ma just make sure you wire them in parallel all black wires to black all red wires to red
happy growing
yeah it will run all 4 fans the adapter is 12v 1000ma
and all for fans are 640ma just make sure you wire them in parallel all black wires to black all red wires to red
happy growing