Probably!
Ran my Tbird at 800 with a 235w Enlight. 2 CDs, 2 HDs, TVtuner, Radeon, SCSI card, networking card, modem, soundcard...all happy together.
Then I tried plugging in a HD while the computer was running. Now I have an Enermax...computer works exactly the same, no worse, no better.
--Mc