Making my Own Computer

Off Topic Dicussion
I'm not overly knowledgeable in the field of computers so I came here for help. I have a $1500 dollar budget for a computer and I wanted to get the best bang for the buck. I'm looking to run Starcraft 2 on Ultra with no lag. The look of the computer doesn't matter that much so I don't need a really expensive case, unless it is do to good air flow and other desirables. Also I have set apart another $500 for peripherals (Keyboard, Mouse, Headset, Screen) so I'm just looking for the main console.
i5 3570k/asus p8z77-v/8gb of DDR3 1600mhz
corsair HX650W PSU
GTX 670

ud love it i promise you that.

I was looking at this build from the WoW forum compendium.

If I wanted to change the graphics card in this build to AMD Radeon 7870, what else would need to be changed?

Also, what would the SLi/CrossFireX support be for? Is it a big help?

Last, any recommendations on whether or not to overclock. I am new to computer building and kind of curious, what are the disadvantages to overclock aside from costing more/needing a cooler? Is overclocking (in lay terms) just getting more out of your computer? Is there any reason NOT to overclock if you want to get an optimal gaming comp?
Nothing else needs to be changed.

SLi / CrossFireX is really useful for multi-monitor setup. It helps for those, but otherwise, not really.

Commonly stated "disadvantage" to overclocking is that parts die faster, but that's not really true today unless you do overclocking beyond "normal tolerance" level. Overclocking is just getting more out of your PC, and is not required at all to enjoy smooth gaming experience.
Ah okay. Thanks Hibachi.
side question: What can I expect FPS-wise from the build below? I know the WoW computer guide says WoW will be at 50+ FPS. What's that translate to in SC2?

I know in heavy battles things will drop, but lets say in mid-game 3v3, 4v4? All settings maxed.
SC2 should have much better FPS. I would expect 40 or so FPS with no anti-aliasing.
Hm, says there's an incompatability on the parts:

"Motherboard has an onboard USB 3.0 header, but Cooler Master HAF 912 ATX Mid Tower Case does not have front panel USB 3.0 ports."

I tried using a few other recommended motherboards. All came up with this same problem.
You can ignore it.

It's the fact case does not have front panel USB 3.0 ports, not the motherboard. Unless you MUST have a case with USB 3.0 ports in the front, this issue can be ignored entirely.
You can ignore it.

It's the fact case does not have front panel USB 3.0 ports, not the motherboard. Unless you MUST have a case with USB 3.0 ports in the front, this issue can be ignored entirely.

I'd just make the note here that there isn't really a good used market for computer parts. If you decide you want to get a case with fron ports later on you'll be out some money then. Personally my desktop always ends up against a wall where it's rather inconvenient to use back side usb ports.
Also how do I know if a motherboard already has wifi?

Does this one?

if not, what do I need to buy/install to make it wifi. That was something the WoW DIY guide didn't really cover.
Most motherboards do not have one. Buy a USB Wireless stick. Can buy it for like $20 tops. Go through NewEgg and buy the most well-reviewed one.
Single Video card Setups OUT PACE Crossfire OR SLI with relative ease and lower power use.

i5 3570k
Mobo -
Corsair 650w PSU
8Gb Corsair Vengeance LP Ram
Gigabyte 7870 -

You could downgrade the Processor. The k in 3570k Means it can be overclocked. So if you dont care about overclocking then go with this processor.
i5 3550 -

You will not notice a loss in speed but will save $20. This processor can play any game you throw at it. All on the MAX speeds. The only bottleneck will be your video card. An extra $20 on a video with a little more ram or even the next step up will greatly improve this computer for gaming.

You will not need more than 8gb of ram. And could probably get away with less.

A ssd for Operating System and Games will increase performance. Id reccomend an Intel 330. Minimum 120gb. Always go with Western Digital black harddrives. 500gb is a good size for storage.

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