Check compatibility of my first build please :)

Hi guys!

Approximate Purchase Date: Next week/two weeks

Budget Range: Around $1000 might go a bit over it seems...

System Usage from Most to Least Important: Gaming like sc2, diablo, then surfing net, watching movies

Parts Not Required: monitor, keyboard, mouse, ssd (just bought one! :D)

Preferred Website(s) for Parts:

Country: Australia!

Parts Preferences:

CPU $241 - Intel Core i5-3570K Ivy Bridge 3.4GHz
GPU $269 - SAPPHIRE Radeon HD 7850 OC 2GB
Mobo $154 - ASRock Z77-Extreme 4
Case $110 - Coolermaster RC-692A-KWN5
PSU $109 - Corsair Enthusast Series TX-550M
OS $90 - Win7 64-bit Home
Optical drive $19 - Samsung SATA 22x
RAM $49 - 8gb kit 1600 patriot gamer2
HDD $129 - WD Black Caviar SATA3 1TB
CPU cooler $38 - Coolermaster Universal Hyper 212 EVO

prices are approx, not sure if they've changed since i last looked lol

Overclocking: Yes, i'd like to try, although never done it before :/

SLI or Crossfire: Probably not..

Monitor Resolution: 1680x1050

Additional Comments: hopefully i can get some good feedback, pretty new at this :| just been googling about it heaps so i'm open to any suggestions/changes
6 answers Last reply
More about check compatibility build
  1. It's all good. Might want to shoot for a 600 or 650watt power supply to be on the safe side. Your RAM is 2x4gb right?
  2. haha yep 2x4gb :)
    yeah wasn't too sure about the psu, might get the 650W now, thanks heaps!
  3. I've got your total at $1208, is that right?
    I'd suggest changing the HDD to either a Samsung Spinpoint F3 or Seagate Barracuda 1TB as they are just as fast, if not faster, while being quieter, cooler and cheaper.

    Make sure that the voltage on the RAM is less than 1.65V, preferably 1.5V.

    There is absolutely no need to get a 650W PSU, especially not if you're only going to use one 7850s. Frankly I would only recommend a 650W PSU for a system with CF 7850s if the user was going to heavily overclock both the CPU and the GPUs.
  4. Oh ok, so do you think 550w would be sufficient instead? Or 600w or...i dunno lol

    And this might sound stupid...but is RAM voltage something you can set afterwards or is it inherent with the kind of RAM you buy? So that one says it uses 1.65V...can i just lower to under to around 1.5V as you suggested?
  5. 550W is more than sufficient IMO.

    Yes it is possible to change the voltage at which a set of RAM runs.
    However the manufacturer has usually designed/tested the RAM to run at the voltage that is specified, so it is not guaranteed to be stable at a different/lower voltage.
    Also the specified voltage is usually tied to the specified frequency, so it was tested at 1600MHz @ 1.65V. Hopefully you will be able to run it at 1600MHz @ 1.5V, but if it can't do that then it will do 1333MHz @ 1.5V, which it might actually default to anyway.
    If that happens then maybe it would have been better to save some money by getting RAM specified to run at 1333MHz @ 1.5V.
    The reason that the RAM voltage should be below 1.65V is because Intel states that voltage that high can cause damage to the integrated memory controller on the CPU. So if you're willing to take the chance/void the warranty then you could just run it at 1600MHz @ 1.65V.
  6. Oh ok, thanks so much!! :D
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