The power connector for the V5 is on the board itself, but I think it only powers the fans. In any case it really doesn't draw an incredible amount of power from your system. I was running my system off of a 230 watt power supply without problems for about 4 months, and aside from the Voodoo 5 it was also powering
2- SCSI Barracuda 7200RPM Hard Drives
1- WD Expert 7200RPM Hard Drive
1- SCSI CD Rom
1- SCSI CDR
1- SCSI Zip Drive
1- Floppy Drive
SOB