Y-cable power cable IDE 4-pin 5.25 "to 2 x 4-pole 5.25" [PC] (Electronics)
I repair now and then PCs. Of course, it also happens that even PCs older provenience are where the power supply is broken. Then comes in a new NT, which has massive S-ATA power connectors, but often only 2 IDE 4-pole. Do you need more of it, you hav