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Corsair TX series changes - what we did, why we did it, and how it affects you. - Page 11

post #101 of 111
Quote:
Originally Posted by TheLaw View Post
Yep. The computer power supply is a pretty ominous subject. People don't know how they work. They don't understand how much power they need...and that can lead to a TON of faulty information and TONS of misconceptions. Unfortunately, it takes a whole lot of manpower to convince a newbie that he shouldn't get that crappy "850W" PSU and trying to convince him to get a quality 400W.
OMG IT HAZ BIGGER NUMBERZ!

Quote:
Originally Posted by Spct View Post
TheLaw,

While I am in partial agreement, the specs for the 6850 show a500w required

http://www.newegg.com/Product/Produc...82E16814150516


The 5770 require a 450w

GTX480 even more specific, Minimum of a 600 Watt power supply. (Minimum recommended power supply with +12 Volt current rating of 42 Amps.)

From all the research i have done the lowest wattage PSU anyone suggests for a moderate gaming rig is a 650.
The easiest way to find out how large a power supply you need is to add TDPs (and a bit for stuff like the motherboard).

There's a nice PSU calculator here: http://extreme.outervision.com/psucalculatorlite.jsp For example, a 6850 with a non-overclocked i7 930 and a single hard drive will at most draw around 327w from the wall.

Quote:
Originally Posted by linkin93 View Post
So total wattage is defined by only the +12v rail now?
Well, yes, to all intents and purposes anyway. All of the high power components in a PC draw their power from the 12V rail, so having a massive 5v or 3.3v rail is slightly pointless.

Especially since (as far as I remember) only floppy drives, ram and a few old pci cards really use the 3.3v rail. Video cards and CPUs used to use the 5V rail heavily, but since EPS12v and the advent of PCIE connectors, that's happened less and less.
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post #102 of 111
Quote:
Originally Posted by Cepheus View Post
OMG IT HAZ BIGGER NUMBERZ!



The easiest way to find out how large a power supply you need is to add TDPs (and a bit for stuff like the motherboard).

There's a nice PSU calculator here: http://extreme.outervision.com/psucalculatorlite.jsp For example, a 6850 with a non-overclocked i7 930 and a single hard drive will at most draw around 327w from the wall.



Well, yes, to all intents and purposes anyway. All of the high power components in a PC draw their power from the 12V rail, so having a massive 5v or 3.3v rail is slightly pointless.

Especially since (as far as I remember) only floppy drives, ram and a few old pci cards really use the 3.3v rail. Video cards and CPUs used to use the 5V rail heavily, but since EPS12v and the advent of PCIE connectors, that's happened less and less.
Ah...yes and no.

Those PSU calculators are widely overshot.
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post #103 of 111
Quote:
Originally Posted by TheLaw View Post
Ah...yes and no.

Those PSU calculators are widely overshot.
Yeah for the over rated psus, so people won't say that they lied about the minimum requirement.
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post #104 of 111
Quote:
Originally Posted by Phaedrus2129 View Post
I'm glad you posted this. There needed to be an official response thread.

Just like to clarify why we're accusing the PSHII models of having lower build quality:
- Much smaller heatsinks (more prone to overheating)
Smaller heatsinks, but the bigger fan (on the TX650) and higher efficiency should limit the impact of that, no?
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post #105 of 111
Quote:
Originally Posted by sLowEnd View Post
Smaller heatsinks, but the bigger fan (on the TX650) and higher efficiency should limit the impact of that, no?
Not really... a slightly bigger fan and a negligible efficiency increase won't do much.
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post #106 of 111
Corsair made an improvement, without making costs rise much higher. I think this was a good business move. Win for the customer: Better product. Win for the business: Happier customer with better product.


However, SOME OF YOU GUYS seem to think everything has to be built perfect, and be cheap. WHATEVER.

+1 for corsair.
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post #107 of 111
This is why I just buy the Seasonic branded PSU instead of another that might have seasonic inside.
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post #108 of 111
Quote:
Originally Posted by SIMPSONATOR View Post
Corsair made an improvement, without making costs rise much higher. I think this was a good business move. Win for the customer: Better product. Win for the business: Happier customer with better product.


However, SOME OF YOU GUYS seem to think everything has to be built perfect, and be cheap. WHATEVER.

+1 for corsair.
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post #109 of 111
man somebody must read this thread entirely..
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post #110 of 111
Quote:
Originally Posted by mrcool63 View Post
man somebody must read this thread entirely..
I have.
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