Power Supply Big Enough?
 

I have a Thermaltake 430w power supply and am upgrading to the following system:

MSI Neo2 Platinum
AMD64 3500 (90nm)
ATI X800XT PE (needs a power connection from PSU)
Two IDE hard drives
CD-RW
DVD-RW
Floppy

I'm thinking of getting the DD D4 pump. Will this have any effect on my existing components getting the power they need to operate properly? I really don't want to spend the money on a new PSU if it's not necessary.

DC pumps like the D4 only need about 20W or so; if your PSU is fine now, it won't have any problem with an extra pump.

try 24wattes. DDC and DCP600 are 8-9 wattes but D4/MCP650 is above 20w for sure.

Your entire system is never drawing over 200 watts as is (probably not more than 150 during normal use), so adding another 20-25 watts shouldn't make any difference at all.

430W will run pretty much any system available. Unless you're running say 20 disks or dual 6800 ultras it's really not an issue.