Ok I want to build my first computer it has to be cheap 300 dollars MAX or less
care most about processor and video card
already have OS Windows Xp 32bit edition so only need 3gb ram
i already have a moniter vga connection 1024-768 resolution
Already have keyboard and mouse
will be used or Games<Hd Video watching< internet browsing
Ok so you need:
accessories= fans, thermal paste
I dont see it happening. You might can build something for the internet but thats it. No way are you going to be able to game or do any kind of HD video. No way any graphics card will fit in that budget so you would be stuck with onboard video.
Gaming will consist of solitare and thats about it.
Buy a PS3 or XBox 360 or add at least a few hundred to your budget.
As for the DVD-drive and computer case. I suggest looking on ebay, craigslist or go to your local computer dealer and search for any old 2nd hand stuff as their the things you have to worry the least about in terms of system performance.
You should be able to score an old case for around 5 dollars and probably pay around 5-10 for the dvd-drive.
So that puts you around $340, including shipping, roughly by my estimates.
Ultimately if you do have a hard limit of $300 then your best bet is to drop the 4670 card and stick with the onboard graphics until you save up for an external video card.
With the onboard you'll be fine for browsing and watching video, gaming will be ok if you only play old titles such as Warcraft 3, COD2, BF2 and WoW. But you won't be able to play anything that was released in the last 3 or so years, or if you get it running it will be on low settings at a small resolution.