http://store.yahoo.com/svcompucycle/ys406034pin.html
These are noisy fans (6800 rpm, 48.2 db), but they come with a 3 pin connector for RPM and a 4 pin connector for power. It's relative easy to change the 4 pin connector to provide 7 volts.
These are noisy fans (6800 rpm, 48.2 db), but they come with a 3 pin connector for RPM and a 4 pin connector for power. It's relative easy to change the 4 pin connector to provide 7 volts.