Antec EA 650 Green Enough Power for 1080Ti

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matthew31499

Aug 28, 2018
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I know this type of question has been asked before, however I would like some input on this specific situation. I've been using the same PSU as when I built my first computer back in 2012 which is an Antec EA 650W. I'm unsure of the efficiency rating for it. Anyways, my questions are as follows:
Will this be enough power for an EVGA FTW3 at 127% power paired with an i7-4790k?
Will there be any risk of damaging components if power is overdrawn?
Is it (necessary,recommended, or nice to have) to upgrade to a larger power rating.
Is this Antec series a reliable brand?

Here is my quick math,
Graphics: 320 Watt
Processor: 95 Watt
Misc Stuff (Fans,USB,Motherboard) 50 Watt (High for a buffer)
Total: 465W
Thanks
 
Solution
Darkbreeze
The capacity of the unit is fine.

The age of the unit, not so much, if you want to protect your expensive graphics card. Also, while that model tested fairly well in some areas, it did not have terrific ripple or noise suppression.

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story4&reid=110

That could translate to issues while overclocking, or even at the stock configuration with a very high end card like that. Perhaps not, but personally I'd want a better unit with my very expensive graphics card.

Plus, the unit being six years old, you can practically guarantee that it's performance in all areas is not as good as it once was. Voltage regulation, ripple, noise, capacitor aging, these are all likely to be factors on an...
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Darkbreeze

Darkbreeze

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The capacity of the unit is fine.

The age of the unit, not so much, if you want to protect your expensive graphics card. Also, while that model tested fairly well in some areas, it did not have terrific ripple or noise suppression.

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story4&reid=110

That could translate to issues while overclocking, or even at the stock configuration with a very high end card like that. Perhaps not, but personally I'd want a better unit with my very expensive graphics card.

Plus, the unit being six years old, you can practically guarantee that it's performance in all areas is not as good as it once was. Voltage regulation, ripple, noise, capacitor aging, these are all likely to be factors on an old unit.

If it was my 6-800 dollar graphics card, there is no way I'd trust it with a six year old PSU that was mediocre even when it was new.

It's not worth the risk when you can get a very good power supply, brand new, for around 65-80 dollars. 65-80 is a lot less than what it would cost to replace that GPU card if something goes wrong or the protections it came with fail due to age.
 
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Solution
Darkbreeze

Darkbreeze

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This would not be a bad idea.

PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - TXM Gold 650W 80+ Gold Certified Semi-Modular ATX Power Supply ($54.98 @ Newegg)
Total: $54.98
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-08-28 23:33 EDT-0400





This, would be a LOT better and is a tried and true Seasonic built platform. Alternatively just about any 650w or higher Seasonic built Focus, Focus Plus, Prime or Prime Ultra unit would be a great choice as well.


PCPartPicker part list / Price breakdown by merchant

Power Supply: Antec - High Current Gamer Gold 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($69.99 @ Newegg)
Total: $69.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-08-28 23:36 EDT-0400


 
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jankerson

jankerson

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I have a EVGA GTX 1080Ti FTW3 and believe me you want to get another better PSU that what you have.

That card will pull well over 300W when OCed.

I have a Seasonic Prime Titanium Ultra 750W in my system, specs below in my sig.

A Seasonic Focus Plus or EVGA G2, either one 750W would be ideal due to the PCIe cabling.

I actually have an EVGA G2 750W still in the box brand new that came with the FTW3 in a deal EVGA sponsored sale etc if that gives any indication of what they actually recommend for the FTW3.
 
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Darkbreeze

Darkbreeze

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Agreed. If you are overclocking that card to any significant degree, that just compounds the problem. It is very unlikely that a 6 year old unit that wasn't fantastic, just ok, when new, at 650w which is likely somewhat less than that now, will be able to handle any additional overclocking.

It would be highly recommended that you get a unit like I outlined above, in a 750w model. Good call Jankerson. I didn't even notice the reference to 127% power the first time.
 
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jankerson

jankerson

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Yeah, the interesting thing was the bundle deal EVGA had, GTX 1080Ti FTW3 and EVGA G2 750W PSU.

So that's actually the wattage and quality they recommend.

I already had a Seasonic Prime Ultra Ti 750W in my system.

Here is the bundle deal I got:

FTW3.JPG


 
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Darkbreeze

Darkbreeze

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That's the exact PSU, the Prime Ultra Titanium, that I wanted to upgrade to but I just bought a Hero VIII to replace my Z170x-Gaming 5 so that's going to have to wait a while. Maybe quite a while as the next thing I intend to add is a PCIe M.2 drive, but I'm getting off topic now.
 
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jankerson

jankerson

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I have 2x Seasonic Prime Ti's., both being used currently.

750W Ultra Ti and 650W Ti (Non ultra).

The other machine is an 8700K with a GTX 1080 FTW2 in it, actually using the EVGA Power Link in that one.

Just the way things worked out, I have a Z270 MB and i7 7700K doing nothing right now, just sitting in the MB box currently. Likely will use them once I retire the 3rd gen I5 machine that's running Win 7 Pro. Once Win 7 reaches EOL I will retire it.
 
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