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> The newbie guide to power supply units, Questions and comments are welcomed

rc2x
post Dec 9 2012, 08:06 PM

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Nice thread, but you should have reserve few upper post. Your guides all sprawling between some.
chocobo7779
post Dec 9 2012, 08:09 PM

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QUOTE(rc2x @ Dec 9 2012, 08:06 PM)
Nice thread, but you should have reserve few upper post. Your guides all sprawling between some.
*
Tell mods to clean up the thread.... brows.gif
nerdlessguy
post Dec 9 2012, 08:11 PM

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QUOTE(chocobo7779 @ Dec 9 2012, 08:09 PM)
Tell mods to clean up the thread....  brows.gif
*
cheh...maybe u shouldn't write comment & advise are welcome lo.Simply wan to delete post doh.gif doh.gif doh.gif
chocobo7779
post Dec 9 2012, 08:14 PM

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QUOTE(nerdlessguy @ Dec 9 2012, 08:11 PM)
cheh...maybe u shouldn't write comment & advise are welcome lo.Simply wan to delete post doh.gif  doh.gif  doh.gif
*
1st time doing this thread ma.... whistling.gif sweat.gif blush.gif
nerdlessguy
post Dec 9 2012, 09:00 PM

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QUOTE(chocobo7779 @ Dec 9 2012, 08:14 PM)
1st time doing this thread ma....  whistling.gif  sweat.gif  blush.gif
*
Anyway nice thread since no such psu related thread in this forum,maybe should pin it.

*Just kidding,don't mind even u delete my account being ban once already in RWI,hahahaha biggrin.gif biggrin.gif what to do?
i like argue vmad.gif vmad.gif
saturn85
post Dec 10 2012, 03:35 AM

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nice guide bro.
great effort you have there. thumbup.gif
arerife
post Dec 10 2012, 06:06 AM

so far away
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+1
seriously need more 100-150w for OC headroom.
But someone storm me for the recommendation. tongue.gif




goldfries
post Dec 10 2012, 07:13 PM

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QUOTE(chocobo7779 @ Dec 8 2012, 11:24 PM)
7. The efficiency
...
Efficiency is a measure of how much of the power a PSU draws from the wall actually reaches the computer. Thus if a PSU is 80% efficient, and is drawing 375W from the wall, only 300W will reach the computer, and the rest will be given off as heat.
the above part, it's actually the other way around. it's not wrong at all because it really is about % of power draw reaching the computer.

i would have put it .....

If a computer drains 400w, then an 80% efficiency PSU would theoretically draw 500w from the wall.

because it's from the components, telling the PSU what they need, and the PSU then draw from the wall.

anyway, nice thread pinned.
chocobo7779
post Dec 10 2012, 07:20 PM

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QUOTE(goldfries @ Dec 10 2012, 07:13 PM)
the above part, it's actually the other way around. it's not wrong at all because it really is about % of power draw reaching the computer.

i would have put it .....

If a computer drains 400w, then an 80% efficiency PSU would theoretically draw 500w from the wall.

because it's from the components, telling the PSU what they need, and the PSU then draw from the wall.

anyway, nice thread pinned.
*
Thanks a lot! Edited the wrong part. tongue.gif
TDUEnthusiast
post Dec 10 2012, 10:58 PM

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Efficiency:
QUOTE
...from the wall.be given off as heat.


I see something missing here.


CyntrixTech
post Dec 10 2012, 11:03 PM

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UPDATE for your FIRST POST

#1 - TX650 V2 Outdated. Now it's called TX650M. Previous batch of TX650M was still made by Seasonic. Now they are no longer Seasonic OEM but AFAIK according to my pro-PSU partner. Basically just change everything V2 to M.

#2 - When calculating for power draw, please allocate more headroom that you need. Leave about 30-40% headroom (so that the PSU runs at about 50-60% load). Usually PSU can only achieve higher efficiency rating at over 50% load (if not mistaken). This also keep the PSU temperature down and keep everything in its IDEAL performance.
chocobo7779
post Dec 10 2012, 11:05 PM

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QUOTE(CyntrixTech @ Dec 10 2012, 11:03 PM)
UPDATE for your FIRST POST

#1 - TX650 V2 Outdated. Now it's called TX650M. Previous batch of TX650M was still made by Seasonic. Now they are no longer Seasonic OEM but AFAIK according to my pro-PSU partner. Basically just change everything V2 to M.

#2 - When calculating for power draw, please allocate more headroom that you need. Leave about 30-40% headroom (so that the PSU runs at about 50-60% load). Usually PSU can only achieve higher efficiency rating at over 50% load (if not mistaken). This also keep the PSU temperature down and keep everything in its IDEAL performance.
*
1. Really? Wasn't that M=made by CWT, v2=made by Seasonic meh? blink.gif
2. Noted. Thanks. nod.gif
CyntrixTech
post Dec 10 2012, 11:07 PM

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QUOTE(chocobo7779 @ Dec 10 2012, 11:05 PM)
1. Really? Wasn't that M=made by CWT, v2=made by Seasonic meh?  blink.gif
2. Noted.  Thanks.  nod.gif
*
I believe M was still made by Seasonic until recently. The M packaging and some internal stuff seems to have changed. But hey, the M now shuts off its fan under light load, did not notice until today where we tried the PSU on a bench table with the fan facing upwards tongue.gif
chocobo7779
post Dec 10 2012, 11:11 PM

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QUOTE(CyntrixTech @ Dec 10 2012, 11:07 PM)
I believe M was still made by Seasonic until recently. The M packaging and some internal stuff seems to have changed. But hey, the M now shuts off its fan under light load, did not notice until today where we tried the PSU on a bench table with the fan facing upwards tongue.gif
*
You're right.... It seems like the v2 has been discontinued... But it seems like it's made by CWT...
There are a lot of TX M series... rclxub.gif There's actually another variant of the TX M, made by HiPro, without 80+ certification.


Added on December 10, 2012, 11:19 pm
QUOTE(TDUEnthusiast @ Dec 10 2012, 10:58 PM)
Efficiency:
I see something missing here.
*
Already fixed that part. tongue.gif

This post has been edited by chocobo7779: Dec 10 2012, 11:19 PM
CyntrixTech
post Dec 11 2012, 12:24 AM

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Yup. Corsair is changing PSU OEMs real quickly. The HX series previously was OEM by CWT with a bronze badget and it now carries a gold batch. Not sure who OEMs it. Previously NZXT also had some great OEM company behind their PSU but then changed to some other crap after awhile while keeping the same model number. Buyer beware.
TDUEnthusiast
post Dec 11 2012, 12:33 AM

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QUOTE(chocobo7779 @ Dec 10 2012, 11:11 PM)
You're right.... It seems like the v2 has been discontinued... But it seems like it's made by CWT...
There are a lot of TX M series... rclxub.gif  There's actually another variant of the TX M, made by HiPro, without 80+ certification.


Added on December 10, 2012, 11:19 pm
Already fixed that part.  tongue.gif
*
I believe that "lost as heat" would be a better term.

Anyway, I find that the explanation on the 12V rail maximum power supply part is rather indirect. It would probably be much nicer this way :

QUOTE
Understanding multi-rail power supplies' 12V rail's maximum power capacity:

For multi-rail power supplies, the ampere stated for each 12V rail is their maximum current capacity, unless the stated ampere rating is not its maximum current threshold. For example, if each 12V rail in a multi-rail power supply has a rating of 16A, it means the maximum power it will be able to carry would be 192W ( again, considering if the stated ampere rating is the maximum for the rail ). It does not mean that the rail will supply up to 192W . If a multi-rail's power supply's 12V line has only 500W to spare to all the 12V rails connected to it, then they will have to ration the given power. The same applies for the 3.3V and the 5V line.


You may also want to label the single rails and multi-rail power supplies properly as you just jumped into telling people how to read the current reading of this 12V rail and that 12V rail.

This post has been edited by TDUEnthusiast: Dec 11 2012, 12:13 PM
goldfries
post Dec 11 2012, 12:50 AM

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in case you guys didn't know yet - i have an ESTIMATOR available http://www.goldfries.com/power-supply-watt...n-graphic-card/

there's also a PSU wattage calculator and the above on my Facebook page last time, I've disabled temporarily due to HTTPS issues. biggrin.gif


Added on December 11, 2012, 12:51 amand yes, I'm aware I haven't update the graphic card list. tongue.gif
chocobo7779
post Dec 11 2012, 09:01 AM

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QUOTE(TDUEnthusiast @ Dec 11 2012, 12:33 AM)
I believe that "lost as heat" would be a better term.

Anyway, I find that the explanation on the 12V rail maximum power supply part is rather indirect. It would probably be much nicer this way :
Anyway, you may also want to label the single rails and multi-rail power supplies properly as you just jumped into telling people how to read the current reading of this 12V rail and that 12V rail.
*
I see... Noted. Thanks!
WiLeKiyO
post Dec 21 2012, 12:31 AM

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I own a Huntkey APFC 7000(RM225), brought it 2 years ago, I remember Huntkey PSU was hot selling product at Garage Sales. Now people try to avoid this bad due to high failure rate according to reviews.

I need some sellers here to clarify, does this brand really that bad ?
chocobo7779
post Dec 22 2012, 06:22 PM

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QUOTE(WiLeKiyO @ Dec 21 2012, 12:31 AM)
I own a Huntkey APFC 7000(RM225), brought it 2 years ago, I remember Huntkey PSU was hot selling product at Garage Sales. Now people try to avoid this bad due to high failure rate according to reviews.

I need some sellers here to clarify, does this brand really that bad ?
*
Considering most Huntkey PSUs (V-Power and Green Star) actually exploded when loaded... So yeah, Huntkey doesn't really make good PSUs... However some of them are surprisingly good. (especially the Jumper series)

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