Hello,

I recently bought a Dell XPS 410 and I am a little worried about the power supply I got. Will the following specs keep my computer cool and not overheat?

Pentium Core 2 Duo E6400 2.13 Ghz 1066 Mhz FBS
2GB Dual Channel DDR2 SDRAM at 667 Mhz
640 GB Performance RAID 0 Hard Drive
256 mb nvidia geforce 7900 gs
Sound Blaster® X-Fi™ XtremeMusic (D) Sound Card
375w power supply

Also, with the upgrades I'm getting, will the power supply increase its wattage?

512 mb nvidia geforce 7900 gtx
4gb Dual Channel DDR2 SDRAM at 667 Mhz

Thanks!!