Another Upgrade Question

[Xandallia]

I've got this video card:
Diamond 5770PE51G Radeon HD 5770 Video Card - 1GB GDDR5, PCI-Express 2.0, CrossFireX Ready, Dual DVI, Display Port, HDMI at TigerDirect.com
and this PC:
HP Pavilion p6-2000 Desktop PC series*-* HP Pavilion p6-2049 Desktop PC Product Specifications - c03075210 - HP Business Support Center
And thanks to the answer to my previous thread I know I need a psu with at least 450 watts. I just want to make sure this one will work okay before I order it.
Newegg.com - Rosewill Stallion Series RD450-2-DB 450W ATX V2.2 Power Supply

 

[Talyor]

i recommend getting a 550 watt if you gonna upgrade it in the future.

 

[Xandallia]

Okay, cool. Will this one work with my setup? Newegg.com - Broadway Com Corp OKIA-BLACK-550 550W ATX Power Supply

 

[Trotter]

Okay, cool. Will this one work with my setup? Newegg.com - Broadway Com Corp OKIA-BLACK-550 550W ATX Power Supply

Only if you want to fry your components.

Your PSU is the most important part of the computer as it powers the whole thing. A crappy one will blow on you and take out other components when it does. Go with a solid name like Antec, Corsair, FSP Group, Silverstone, PC Power, Sparkle, Enermax. Check out the Power Supply Guide to learn what's good and what's crap.