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Help me choose a suitable PSU for my system(Desperate..!!)

post #1 of 29
Thread Starter 
Greetings..I am in a great need of buying a really good PSU for my system and the reason is that i want to overclock it, as i know overclocking increases your power needs. The reason i cant overclock now is that my system is already at its power limits. I have one no name psu of 500 Watts that sux really bad, makes a lot of noise and is really cheap. I have an Intel 8200 that i want to overclock and a Sapphire HD 6870 which has a minimum requirement of 500Watt PSU. I live in Greece so i have quite a small variety of PSU's on the greek market to choose from, because PSUs have a big shipping cost, ebay is not an option. Also i need to mention that my purpose is to make the overclocking process more stable and i also use 1 GPU, i will NOT be using SLI or Crossfire, i know this limits the Watts i need. I have made a really big list of PSUs that i can buy in my country for decent prices. All i need is your knowledge and opinions on which PSU to choose depending on 2 things. My "Needs" versus "Price". Here is the list:

Corsair
  • Corsair GS600W 80+ Certified ~ 90€
  • Corsair CMPSU TX650 ~ 99€
  • Corsair CMPSU TX650 V2 ~ 99€
  • Corsair Professional Series HX520W ~ 99€
  • Corsair GS700W 80+ Certified ~ 110€

Coolermaster
  • Coolermaster GX 650W ~ 91€
  • Coolermaster GX 750W ~ 101€
  • Coolermaster Silent Pro M600 ~ 105€

OCZ
  • OCZ Fatal1ty 550W ~ 56€
  • OCZ StealthXStream II 600W ~ 56€
  • OCZ ModXStream Pro 600W ~ 72€
  • OCZ ModXStream Pro 700W ~ 72€
  • OCZ StealthXStream II 800W ~ 80€

Enermax
  • Enermax NAXN 600W 80+ ~ 56€
  • Enermax LibertyECO 620W ~ 103€
  • Enermax ECO80+ 620W ~ 103€
  • Enermax Pro82+ 525W ~ 103€

Silverstone
  • Silverstone Strider ST75F 750W ~ 104€
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post #2 of 29
I would go with the corsair TX 650
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post #3 of 29
Get the Corsair TX650 V2. Definitely not the TX650.
But since you're not going to add a 2nd video card, the OCZ StealthXStream II 600W would work well for you and would be much cheaper.
post #4 of 29
TX650 V2 . Cheap, reliable, good performance. Nuff said.
 
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post #5 of 29
Thread Starter 
Quote:
Originally Posted by Lord Xeb View Post
TX650 V2 . Cheap, reliable, good performance. Nuff said.
yea but OCZ fatal1ty or stealthxstream are at half price..is the performance difference between them and TX650 so big? that is worth to pay double the money?
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post #6 of 29
Quote:
Originally Posted by Heartl3ss View Post
yea but OCZ fatal1ty or stealthxstream are at half price..is the performance difference between them and TX650 so big? that is worth to pay double the money?
yes kind of but not by much

for that price i would get a bit more and buy the silverstone
Edited by obsidian86 - 3/7/11 at 11:14am
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post #7 of 29
Quote:
Originally Posted by obsidian86 View Post
yes kind of but not by much

for that price i would get a bit more and buy the silverstone
No.
Those particular OCZ models are really good PSUs. They are cheaper and are great quality, I dont know why not to buy that over Corsair if they are the same for less.

I would agree that the Silverstone is preferable.
But a Seasonic X650 is even more preferable, and even more expensive.
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post #8 of 29
well if you only gonna use one card get the series II ocz they were much better
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post #9 of 29
Thread Starter 
i am trying to decide...i have decided to choose either:
1)OCZ StealthXStream II 600W/Fatal1ty 550W
2)Corsair TX650W
if i choose the first..most people tell me to go with the StealthXStream..the problem is the Fatal1ty one is modular+has red lights in the fan..do those 2 have any difference in performance? the Watt difference is not so big..!!
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OCZ Vertex 2E 60GB Seagate Barracuda 500GB Seagate Barracuda 500GB XSPC Raystorm 
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Black Ice GTX480 Dual Laing DDC-1T w/ EK Dual Top Windows 7 Ultimate 64-bit Samsung T220HD 
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post #10 of 29
Actually there is a big difference between the Fatal1ty 550W and the StealthXStream II. The 550W can only deliver 450W at 12V while the StealthXStream II 600W can deliver 600W at 12V. Of course modularity and the red light have no effect on the performance. Personally and for the same price, I'd pick the SXSII, it's not going to hurt you, and it's a slightly better unit anyway.

If you choose the Corsair TX650 in the end though, make sure to get the TX650V2, not the regular old TX650.
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