Seeking Advice: Low FPS, i7 Build

Hey, Recently bought a new computer which i installed with a mate of mine, and im a little disappointed with the performance so far. Here are the specs:

Intell Core i7 920 Processor LGA1366 2.66GHZ 8mb cache CPU
Asus P6T Deluxe V2 EXGTE LGA 1366 X58 6DDR3 FSB1600(OC)RAID 2GBLAN 3xPC
Corsair TR3X6G1600C8D 6GB(3x2GB)PC-12800 (1600MHZ) DDR3 Triple Kit
Western Digital 1TB SATAII HDD 32M Cache Green power
Zotac GTX275 896MB DDR3 PCI E

Item re-used from old Build
430W Thermaltake PSU
Matrix ThermalTake Case VD2000BNS(pretty sure, Matches pictures at least)

Main concern is that i expected to be able to WoW at Ultra settings while maintaining a good dps(>50) However, im finding that in Most areas of the game, im only getting around 30, and it can get as bad as <20 in major Cities. There are of course those rare moments where i get 120FPS, but i feel like im constantly at 20-30. My temperatures are running as Follows with my case open: MB(47) CPU(45)Graphic(55) *degrees. Other games appear to be running fine, getting about 60-150 fps in HL2.
My Benchmark Scores seem to be fine. 3dMark Vantage, CPU score of 42000, GPU of 13000. Havent tried any OC'ing yet.
Any Advice would be great, or a simple, your paranoid would also be good.

regards Damole
6 answers Last reply
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  1. Here's the specs of GTX 275 in Nvidia's site

    Maximum GPU Temperature (in C) 105 C
    Maximum Graphics Card Power (W) 219 W
    Minimum System Power Requirement (W) 550 W

    Your temps are fine. Your PSU isn't up to the task. Even though Nvidia's specs are overrated, your PSU is still underpowered.

    recommendation: Get a decent PSU dude. A corsair 650tx would suffice.
  2. Hmm, i had my concerns about the PSU, reading most posts and "guides" people seemed to recommend 850W and such. After reading them i went to my local computer store(pre Build of my PC) and they assured me that mine would be sufficient...then recommended a 550w if i was concerned. All good tho, Saved abit of my budget to go buy a better PSU just wasn't sure if i would see a performance increase from it, i was under the impression if the computer runs, the PSU is sufficient :P. Cheers for the advice masterjaw, got another 2 days before i can get time off to buy a better PSU so if anyone else has any opinions love to hear them.
  3. The main problem with this power supply is that it can’t deliver its labeled power. It is, in fact, a 350 W power supply.

    This same thing happens with Huntkey Green Star 450 W, but at least this power supply from Thermaltake has all its overload protection in place and won’t explode like this model from Huntkey.
  4. A 550W is sufficient unless you plan on doing SLI.

    Power Supply OCZ ModXStream Pro 600W OCZ600MXSP Modular SLI Certified CrossFire Ready 80 PLUS Certified (after $20 Rebate) $60

    Certified SLI-Ready Power Supplies
  5. I'm used to people overclocking their machine that's why I recommended a 650tx. If your not into that then a vx550 or hx520 would do. :)
  6. Well, my plans are to attempt to OC, and to install a second GTX275 in SLI ( if/when my bank account agrees with me :D) But yeah, after reading the review on my current PSU, i guess im lucky it starts at all. Just to clarify tho, am i going to see a performace increase from this? or is it just gonna help my system run with less chance of fireworks?

    Also, as Far as futureproofing goes, should i settle for the 650tx for running SLI and OC'ing? or should i spent the extra to get the 750tx or even 850tx? at what point is it overkill? fingers on the buy button for the 650, just getting reassurance :D.
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