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Choosing my PSU now. - Page 2

Poll Results: Which would you choose ignoring price?

 
  • 66% (12)
    SILVERSTONE DECATHLON DA850 (1 rail 70A)
  • 16% (3)
    SILVERSTONE ST85F (2 rails @ 35A each)
  • 16% (3)
    ABS Tagan BZ Series BZ900 (6 rails @64 total? Not sure what each rail is.)
18 Total Votes  
post #11 of 18
Quote:
Originally Posted by SergeRY View Post
How about Ultra x3 1kW?? cheaper, still modular, rated better. Actually, just got one

add coupon: LABOR180
for $7 off!! oh
Sergery is dead on with this one! I've got one on the way, and I think you'll find that ALOT of people on OCN would agree. These new X3 PSU's are fantastic in every way. They are build on server PSU's designs and specs. JohnnyGuru did an in depth review on one and thoroughly enjoyed it
post #12 of 18
Thread Starter 
Updated the specs so you guys can see what I'm trying to run. I've been looking at the Ultra x3 that was suggested and it looks almost perfect for what I want but I read a review on [H]enthusiast that made it "seem" like it's not as good as it looks, but they still gave it a silver award.

What do you guys think?
http://enthusiast.hardocp.com/articl...50aHVzaWFzdA==

I think I need some clarification on these reviews of PSUs. So efficiency is just the ratio of how much power is produced vs how much is used? Ex. a 1000w PSU with 72% efficiency at full load during 8hrs of stress testing would require 28% more power from the wall than the 1000W listed amoutn so like 1280W from the wall?

Basically I think this Ultra is awesome in terms of the cables and the fact that's it's modular and a decent price, but the efficency at full load kinda blows and I'm not sure how that plays in really. If it means I just would spend more on my power bill then that's not an issue but if it means the PSU is more likely to fail after 8-9 months then I want to stay away.
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post #13 of 18
Your going to run a single Nvidia video card on a crossfire MB so 850 is overkill.
GAMER
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post #14 of 18
Quote:
Originally Posted by gmpotu View Post
Updated the specs so you guys can see what I'm trying to run. I've been looking at the Ultra x3 that was suggested and it looks almost perfect for what I want but I read a review on [H]enthusiast that made it "seem" like it's not as good as it looks, but they still gave it a silver award.

What do you guys think?
http://enthusiast.hardocp.com/articl...50aHVzaWFzdA==

I think I need some clarification on these reviews of PSUs. So efficiency is just the ratio of how much power is produced vs how much is used? Ex. a 1000w PSU with 72% efficiency at full load during 8hrs of stress testing would require 28% more power from the wall than the 1000W listed amoutn so like 1280W from the wall?

Basically I think this Ultra is awesome in terms of the cables and the fact that's it's modular and a decent price, but the efficency at full load kinda blows and I'm not sure how that plays in really. If it means I just would spend more on my power bill then that's not an issue but if it means the PSU is more likely to fail after 8-9 months then I want to stay away.
Efficiency @ 0.978kW for the ultra is79%, judged by our (jonny)guru, vs 77% @ the lower 846 watts for the DA850. In other words, better than 72% and better than the DA850. ripple appears to be better as well .

something like what you mentioned for efficiency. If 1000 watts are delivered @79% eff., then the power draw is 1000/0.79 = 1266 from the wall. I don't think you can compare efficiencies and get a reliability comparison. Both PSU's have a good record though, the ultra is made by a server PSU company using a modified server design.

another PSU worth mentioning, as you may not NEED 1kw, is the corsair 750TX, $139.99 after MIR at the egg... not modular though

1kW is nice though
    
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post #15 of 18
The Corsair PSU's are some of the best I've used. Only after I saw a comparison between the X3's and a 620HX have I considered to change my "favorite brand PSU". I have yet to use the X3, but when I do, I will most assuredly post my opinions!
post #16 of 18
Thread Starter 
I'm pretty sure I'm going to go with the X3 then. Although I don't really need more than a 550-600W PSU the X3 has the most features that I like of all of the ones I've looked at and read about. I really want a Modular one. It has ton's of cords that seem to be much more managable than the other modular PSU I have looked at. I really like how they have 3 sata and 2 sata cables instead of 4-5 sata on the same cord. ATM I only have 2 sata devices I might buy 3 more HDD 1 raptor and 2 storage for OS's on the raptor and Raid 1 Mirror for the storage ones. Not 100% sure how to do all of that but a buddy knows how to setup the mirror so the X3 seems perfect and if I do upgrade later it's one less part I need to replace.

Now to find a case and some good 120MM fans etc. Want to have low temps on the 8500 since I'll be OC to like 4.3ghz (hopefully)

Thank you for everyones input and support here btw.
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post #17 of 18
PC Power and Cooling 750, I think it's like 170 at newegg. 61 amps on one rail?
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post #18 of 18
Quote:
Originally Posted by shinji2k View Post
If I had to pick DA850 > st85f > Tagan. But both Silverstones leave something desired for voltage regulation and the Tagan has questionable caps. If you are going to be spending $200+ we can probably pick out a better PSU for you.

But we need to know what system it's going to power, budget, modular/non-modular preference, planned retailer and if you mind MIR or not.
qft, and I actually had a da850 and RMAed it be cause it made a constant hissing noise (more so under load) which was very annoying but apparently "normal". It's also well documented. Silverstone's solution was the 1.5 and 2.5 revisions which use lesser quality parts but don't emit such a (loud) noise.

There are better power supplies out there for the price and thus I am not voting.
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