a Dell PSU is rated at "continous" wattage NOT max like most of the aftermarkets
the 305w is close to 375 to 400w max output
Trust me that dell 305 can easily handle that card
I have a Dell 280w running an OCd E4500 2.93ghz,4 1gb sticks of ram,dvdrw,hard drive, two extra fans, a USB external hard drive,usb light,asus sound card
with no problems at all
I used to have a Dell Precision 450 with a 360w PSU running
three hard drives,scsi card,7600GS gpu,4 sticks ram,two dvdrws,sound card three extra fans
two Xeon CPUs
Users who have knowledge might hate Dell for business practices, customer service
or value for dollar BUT if you are a working tech you know that their PSUs are actually
pretty good
their made by a pretty reputable company from what I understand
Fortron is the name if I remember right
Most of Dell mobos are Foxconn,Dvd drives are major brand also (i think LG/Hitachi)
memory is Hynix,Samsung or Infineon over the years
again their customer service,performance vs price and business practices SUCK!!!
also they along with HP had bad capacitors in motherboards a while back and screwed everybody over and are involved in a class action lawsuit because of it
also Micheal Dell is faced with insider trading charges last I heard
I tell you that so you know that I am not a Dell Fanboy
I buy them because I get them CHEAP