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Thread ID: 150701 2022-05-30 02:10:00 PSU power extensions Bryan (147) Press F1
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1486539 2022-05-30 02:10:00 I have an AYWUN A1-5000 500w PSU. It has a single 6 pin CPU cable. Is there any way that somehow I can add a second 6 pin extension say to one of the molex cables?
Reason is I have a GPU that requires two 6 pin cables that I would like to utilise. I guess that using a 6 pin cable that splits into two 6 pins wont work.
Bryan (147)
1486540 2022-05-30 04:52:00 I have an AYWUN A1-5000 500w PSU. It has a single 6 pin CPU cable. Is there any way that somehow I can add a second 6 pin extension say to one of the molex cables?
Reason is I have a GPU that requires two 6 pin cables that I would like to utilise. I guess that using a 6 pin cable that splits into two 6 pins wont work.

www.computerlounge.co.nz tone

Aywun is a horrible cheap brand. Forget it. Buy a decent one as above.
piroska (17583)
1486541 2022-05-30 04:59:00 I have an AYWUN A1-5000 500w PSU. It has a single 6 pin CPU cable. Is there any way that somehow I can add a second 6 pin extension say to one of the molex cables?
Reason is I have a GPU that requires two 6 pin cables that I would like to utilise. I guess that using a 6 pin cable that splits into two 6 pins wont work. Yes you can get cables that go from Molex to PCIe. You may need 2 Molex plugs for 1 PCIe. Depends on how they are constructed.

BUT you need to be careful, some power supplies may not be able to handle it. Do a search for "molex to 6 pin safe"
wainuitech (129)
1486542 2022-05-30 05:11:00 www.computerlounge.co.nz tone

Aywun is a horrible cheap brand. Forget it. Buy a decent one as above.

Never a truer word has ever been spoken!!!

Invest in a decent PSU: if you are running any GPU below a RTX 3080 then 850W will be fine, if you want to allow for future expandability AND you don't run the highest tier GPUs/CPU's then 1000W will see you through for at least the next 3 years if not more.


Corsair
Seasonic
EVGA
be quiet!
Cooler Master
Enermax
NZXT


[B] DO NOT BUY A GIGABYTE OR THERMALTAKE PSU]/B]
chiefnz (545)
1486543 2022-05-30 22:12:00 many brands arnt what they seem.

Most brands dont atualy make power supplies. They buy from a Chinese PSU manufacturer , then slap there own label on it.

Thats why (say) corsair can have very good and below avarage PSU's
1101 (13337)
1486544 2022-05-31 02:37:00 many brands arnt what they seem .

Most brands dont atualy make power supplies . They buy from a Chinese PSU manufacturer , then slap there own label on it .

Thats why (say) corsair can have very good and below avarage PSU's

Yep this is true . . . though to be fair, companies like Corair "wear 2 hats" when it comes to their PSUs;

Firstly, they design their own PSU's and then send that to an OEM (Seasonic in Corsair's case) who then make the PSU's according to the spec they have been provided by Corsair . The build is then submitted for compliance and standardization testing such as efficiency rating etc . once that is done, Corsair are issued with a certification for their design and they "mainline" that design and Seasonic starts pushing out numbers . Rinse and repeat for each product line .

Secondly, they purchase OEM manufactured PSUs (Seasonic again) and then rebrand the Seasonic units with the Corsair logo etc .

There has been a big paradigm shift with some mainstream companies since the arrival of the pandemic - most notable of these is that big brands such as Corsair are ensuring that they use "quality manufacturers and parts" for their products - this is exacerbated by the fact they charge a "premium" for their products . . . which is fair when you compare the quality of the products they provide against that premium . Of course not all companies take this stance and continue to mass ship rebranded garbage from lower tier manufacturers . . . this was made worse by the pandemic when component shortages started hitting factories . . . the Gigabye PSU debarcle unearthed by Gamer's Nexus is a good example of this . . . . similar rated components were used but the quality of those components was dodgy AF - outcome - PSU go Boom . . . . . Sorry couldn't resist the CoD reference there .

Companies like Corsair and Seasonic, not only use specific and correctly rated components for the products they design but they also set a QC level for those individual components and that's what they ask their manufacturers to use . . .

In the actual contract (between Corsair and their manufacturer), it specifies which components are to be used, the manufacturer of those components and a list of alternatives should the preferred component not be available . There is also a process documented in the agreement which dictates what the manufacturer has to do if none of the predetermined alternatives are sourcable . . . which is basically Talk to Corsair before you do anything because if they grandfather any crappy components and they do not meet spec or QC they stand to lose a crap-ton of money from Corsair . . . . not to mention losing potential future business .

Another spanner in the works of late is that the efficiency rating is no longer the best way to meaure the "quality of the PSU" - this is the bronze/gold/platinum rating of PSUs .

The reason for this is that any proposed PSU Design only needs to sustain the desired level of efficiency for a specific period of time to attain the applicable bronze/gold/platinum efficiency rating . Things like Over-volt and Over-current protection are not "Strenously" tested by some manufacturers . . most doucment the level of protection and provide a QC pass based on a limited number of testing cycles .
chiefnz (545)
1486545 2022-05-31 05:07:00 Thank you chiefnz, most informative and helpful. Bryan (147)
1486546 2022-05-31 05:38:00 One famous company was caught out slapping a higher power rating label than what the actual PSU was (one the avoid brands )

But, Bottom line , even VERY average PSU's are good enough for the average person . Assuming no high current Video card etc (av person) .
Most avoid brands are out there still working just fine , in hundreds of NZ PC's , many years later . I wouldnt buy one though :-)

There arnt many people with the skills , and the time, to do a real analysis on PSU's , so recommendations are usually just based on reputation rather than real testing .
There are a few sites that will do in depth PSU analysis , but who's to say components wont be changed during the production run . Chinese manufacturers are famous for doing that , even when building to another companies written spec and design .


Use what you have, if it does the job .
:-)
1101 (13337)
1486547 2022-05-31 06:18:00 The cheap PSUs will work OK if they are not overloaded. But since they use cheap parts, they may not last too long either.

Capacitors often fail after a time, which leads to unstable voltages and prevents reliable operation of the computer, or it may even refuse to start.
In a more fun scenario, a cheap PSU may have a cheap fan which seizes up, and causes the supply to overheat and die (sometimes explosively)


Another problem with cheap PSUs is that they can have incorrectly set (deliberately, to make it seem more capable than it really is) or non-existent overload protection.
So when you fire it up with that GTX3050, it may run OK to begin with, but it's being run over what it's really capable of, and thus begins overheating.

If you only game for a short time, this may not be a problem (or even noticeable) but after long enough, the PSU usually overheats, and often the main switching silicon or other part goes into a thermal runaway failure, and the PSU dies... explosively.

A decent PSU will just shut off when it is overloaded or gets too hot. The cheap ones will often run until they die, and/or kill your computer with high ripple, or out of spec voltages.
(Certain Bestec PSUs from HP computers were prone to outputting over 16v on the 5v Standby rail when the capacitors in the 5vSB circuit fail...!)
Agent_24 (57)
1486548 2022-05-31 21:48:00 I stopped buying Corsair long ago, too may failures I saw with them. piroska (17583)
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