is psu 450w good enough for gtx 1060?

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abitdavy21

May 23, 2018
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ive got amd ryzen 2200g and gtx 750 with 450w thermaltake power supply

i was gonna upgrade to gtx 1060.was the psu good enough for it?
 
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jacobweaver800


It should be enough, just make sure that the model of GPU you buy has the same power connectors that your PSU supports. Never adapter unless your going from dual 6 to 8 or something, often times if a PSU doesn't have supplemental power it is most likely like that for a reason.
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jacobweaver800

jacobweaver800

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What 1060 are we talking about, some need 6-pin power some need 8-pin power. EVGA makes a 1060 that only needs a single 6-pin and that might run. Assuming your PSU has a 6 pin power it will work, just don't adapter to one from Molex or something, if the PSU doesn't have PCI-E power it won't run it.
 
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jacobweaver800

jacobweaver800

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It should be enough, just make sure that the model of GPU you buy has the same power connectors that your PSU supports. Never adapter unless your going from dual 6 to 8 or something, often times if a PSU doesn't have supplemental power it is most likely like that for a reason.
 
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123mi

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Jun 6, 2012
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Why did u say "don't adapter to one from molex"? I was trying to use a 4pin molex to 6pin pcie converter to get power from my psu.

 
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123mi

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is it ok to use gtx 1050ti with no 6pin connectors to use with cheap normal 450w psu?
 
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volkgren

volkgren

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Aug 13, 2017
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Yes but powering GPU PCIe connectors via Molex adapter is never a good idea.

Also, powering an 8-pin connecotr with a 6-pin adapter is also never a good idea.

Adapters have been known to melt and potentially start a fire and or ruin your equipment.
 
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Karadjgne

Karadjgne

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6pin pcie is upto 75w. Molex connector is upto 40w. You'd need to use a 2x molex-1x 6pin adapter, and the molex will need to be from 2x different chains, NOT the same cable or you run the risk of overdrawing the wire. It's adapters like this that are the leading cause of fires inside a pc.
 
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123mi

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Jun 6, 2012
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this is the type of converter I am using-
https://www.bhphotovideo.com/c/product/916997-REG/c2g_35522_6_pin_pci_express_to.html

is it ok to take two molex from a single cable coming from psu .(parallel connection to two molex)?
 
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Karadjgne

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No. There's only 1x 12v wire on a molex chain. 18ga wire is good for @8-9Amps at 12" long. What you do for that single 12v is add both draws from that connector. A pcie lead has 2x-3x 12v wires just for that reason, you'll max out the ability of the wire, it overheats, and melts, possibly starting a fire. Those molex adapters should always be used with separate chains of molex, not the same.

You can try it (consider doing things against medical advice, same theory) and it might work fine. Or it might last only ½way through your first or second heavy gaming period.

$200 gpu vrs $8 adapter or a $50 correctly applied psu. You do the math.

1 guaranteed fact about psus. If it doesn't have the right connectors for the job, it wasn't intended for that purpose and the manufacturer has absolutely no faith that any adapter will be good. Or they'd have stuck the appropriate cable there in the first place.

Power Supply: Corsair - CXM (2015) 450W 80+ Bronze Certified Semi-Modular ATX Power Supply ($49.99 @ Amazon)

Cheapest insurance for a healthy pc you can buy for your setup
 
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Karadjgne

Karadjgne

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It does split the power distribution to some extent but without perfect testing, assume that the card can and will draw upto the 75w max, otherwise they'd have just put a molex plug there instead or the old floppy dongle if much of the power was drawn through the pcie slot. So it's at least @50w on the pcie 6pin out of that 90w.

Also, 75w isn't actually correct, it's an assumed standard. Each pin is rated at 5A, so a full 10A can be drawn on a 6pin, that's 120w in reality. Same goes for an 8pin, that has 3x 12v pins, @180w possible.

That's exactly how the radeon R9 295x2 is able to draw its 400w+ from 2x 8pin and a 90w pcie, a realistic max of 450w, not the standardized 375w.
 
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jacobweaver800

jacobweaver800

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Not with a cheap PSU, but a good PSU would be just fine.
 
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Karadjgne

Karadjgne

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You'll find most more experienced posters will not recommend or even agree to use of a cheap psu for any pc. It's not much different than if you had major surgery and the doctor using band-aids to hold you together because it's cheaper than stitches. Somethings you really just need to do right and with everything in the pc tied to the psu, having something reliable that has the correct outputs and connectors is just common sense.
 
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jacobweaver800

jacobweaver800

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I come from a budget PC line, I don't own anything newer than 5 years old, and my newest PC was a gift from my mom's old work because they were going to junk it. I never recommend a PSU I wouldn't use myself, so I don't recommend cheap or crappy stuff. I recommend anything brand name that's new basically. Thernaltake, Corsair, EVGA, Antec, BFG Tech had some pretty OK PSU's as long as they were on a battery bank or UPS, and there are many other good companies that I can't think of off the top off my head. Just use common sense when picking one, don't go for the cheapest, stay with brand name stuff, and don't do anything stupid with it, like jenky adapters, I still don't recommend adaptering Molex to 6-pin even though it works.
 
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