well its four cores vs. three cores. four cores will give you somewhat better performance in some tasks that are cpu intensive, but for stuff like gaming, three cores will be good.
- you dont really need extra fans. a simple intake fan/exhaust fan setup should be enough.
- i looked at the options for psu's. you should go with the corsair 650watt, they are a quality brand and you don't want something to fry your pc because there wasent enough power. better to be safe i guess.
- for the mobo, the first two listed are the older 770 chipset and the rest below them are the 790 chipset. the only real diff i see is that the first two only let you use one gfx card, while the rest below can have dual cards so its up to you wether you want one or dual gfx cards.
- for the ram, just get the one that says "
*(free upgrade from pc1333)". it should say 4gb (2x2gb) ddr3 1600mhz next to it.
- for the gfx cards, i mean, it really depends wether you think youll need that much "power". you could go with one high end card, or you can crossfire dual medium level cards, and get a bit more fps in a game than the one single. on the other hand, you can crossfire dual high end cards and get really high fps ingame.
- a data drive is just your storage drive(hard drive), where you install the OS and programs and store your pics, docs, vids, etc. the optical drive is where you insert the disc in, you should go with the one that says, "sony 20x dual layer dual format dvd+-R...", so you can burn cds and dvds, just a few bucks more.
- for network and modem, just leave the choices unchanged, your mobo will already come with an integrated ethernet port, which is what you are most likely using right now to get online, unless you are still on dial-up...
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but i have to say that, and i think it was already said, building your own isn't hard, and would end up getting better parts. for 1300, you could get an i7 build that would nicely outperform this amd quad build. and it would take like 3-4 days shipping + about 1-2 hrs tops to setup. plus there are guides here and online elsewhere to guide you. im just trying to help you out, cuz you could get alot more bang for your buck.
edit: jeez long post... sry (
teacher im done with my essay...)