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New PSU Needed. Help? - Page 3

post #21 of 25
Quote:
Originally Posted by shilka View Post

You dont want more watts then you need

And you dont need 620 watts unless you want a second video card

Whats wrong with the Seasonic G 450 watts

Its better and it fits your needs better then the Antec 520/620 watts

Why do you want more watts and not better quality it makes no sense to me

Absolutely agree. It's not 2005/2006 anymore, you don't need 750W+ PSU's to barely cover your system. Get rock solid quality over net voltage any day of the week.

Quote:
Originally Posted by ChronoBodi View Post

i do have a noob question...

due to capacitor aging, is a 850w going to be a 750w 3-4 years later? I'm not too clear on how this works.

Anyway what's wrong with the OCZ psu OP had? Like, crap guts or something, CapXon caps or what?

I'm not familiar with the OP's OCZ, but yes, generally PSU's degrade in efficiency and output over time. Related to the prior quote, higher quality internals greatly mitigates this process.
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post #22 of 25
Quote:
Originally Posted by ChronoBodi View Post

i do have a noob question...

due to capacitor aging, is a 850w going to be a 750w 3-4 years later? I'm not too clear on how this works.

Anyway what's wrong with the OCZ psu OP had? Like, crap guts or something, CapXon caps or what?

Capacitor aging is not a big thing yes you see some but its like 5-10% after 5 years if its that much

Its not something you need to worry about most replace their PSU before capacitor aging has made it too small
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post #23 of 25
Quote:
Originally Posted by ChronoBodi View Post

i do have a noob question...

due to capacitor aging, is a 850w going to be a 750w 3-4 years later? I'm not too clear on how this works.

Anyway what's wrong with the OCZ psu OP had? Like, crap guts or something, CapXon caps or what?
Yes that happens but happens very little if its a quality psu.

In OP's case the ocz modxstream, it is not a totally crap psu.I'm not sure of their oem, they usually use different oem even in same line of psu's. It have 2 +12V rails at around 25A, it says 600w but would actually deliver around 500w.

Seasonic g is really best choice here for that 1 card. If you're worried if 450w will be enough or just want spare watts for upgrades later then 550w would be good. (but just choose quality over quantity of watts)

Corsair RM's are also out but I haven't seen much about them yet.. from the looks they would be good modular alternatives to the TX series.
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post #24 of 25
Quote:
Originally Posted by KenLautner View Post

Yes that happens but happens very little if its a quality psu.

In OP's case the ocz modxstream, it is not a totally crap psu.I'm not sure of their oem, they usually use different oem even in same line of psu's. It have 2 +12V rails at around 25A, it says 600w but would actually deliver around 500w.

Seasonic g is really best choice here for that 1 card. If you're worried if 450w will be enough or just want spare watts for upgrades later then 550w would be good. (but just choose quality over quantity of watts)

Corsair RM's are also out but I haven't seen much about them yet.. from the looks they would be good modular alternatives to the TX series.

Yes its a crap PSU
Warning: Spoiler! (Click to show)
Build Quality

Externally the OCZ 700W ModXStream Pro is a fairly subdued semi-modular design that looks good. The unit has a nice finish, well sleeved cables, good quality modular cables, and a large overhead fan. However, once we open the unit we find that OCZ 700W ModXStream Pro looks very much like a cheap group regulated unit. This is further compounded by the fact that the unit has some questionable component selections in the mystery "Rec" capacitors. Good capacitors only add slightly to the total cost of a unit so why even something along the lines of Samxon or at the very least Teapo was excluded from this build is bewildering. Further, the unit only features a 3 year warranty and with questionable capacitors this is hardly reassuring. Also related here is the unit’s "documentation." The documentation that came with the unit is simply a waste of time. This fact is punctuated by the power distribution table at the back of the manual was never actually finished by whomever was annotating it. The only upside to all of this is most of the information about the unit is printed on the packaging, but still sans a correct power distribution table as these are genuinely useful. They are especially useful when units do not follow the ATX12v specification or EPS specification for 12v power distribution such as this unit.

http://www.hardocp.com/article/2008/11/12/ocz_700w_modxstream_pro_power_supply/#.UlPyKxBNEgg
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post #25 of 25
modxstream and modxstream pro are same? I thought they had different oem and usual one was better than the pro one.
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