Question about the MSI Radeon R9 280x

Hardware GPU
1

WARNING: I am still kind of an idiot with computers, so I would appreciate if you kept things a little simpler than you most likely do. 

 I have just joined the MasterRace with this PC this past summer (Steam Summer Sales are awesome) with the thought of upgrading to the new cards when they came out.

I originally started with a decent build. http://pcpartpicker.com/user/Macblack20/saved/2AfK (There, I went ahead and added the new GPU that I can (probably not) get. Note: I originally had a Radeon 7750.

If you look at the build, you may see a slight (Major) problem, this is where my question comes in. 

Can I run this card with only 500 watts of power? It's estimated has gone up to 469. This, I know, puts me at a risk that I did not foresee, and I am humbly here (in shame) asking if I will have to upgrade my power supply when I upgrade to this card, or be forever left behind with this build.

2

idk man its a strange situation. because i was told i would need much more power for what i am doing and my machine runs like a champ. 

ive got 8350 @4.6 and two 660 SCs oced even more in sli.

all running off a rosewill 630 watt psu.

i probably have no overhead room with power but i don't plan on upgrading for a long while.

3

If you're not planning to add a second 280X later, the 500 watt PSU will be enough. 

4

yep hes right. but! these cards come close to 400w under load for whole system. 

if you are planning on doing any overclocking. get a 650w at least.

if not..ur fine to just pop it in your system