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Which one of these 650-750 watt PSUs would you choose? [Newegg wishlist]

post #1 of 14
Thread Starter 
My current PSU is a PC Power & Cooling EPS610 watt and is over 8 years old now. It's time to put it on the shelf as a known good power supply. So time to upgrade.

My current setup is a

Asrock Extreme4 Z97 mobo
i7 4790K cpu (turbo boost off)
MSI R9 270 (getting an MSI RX 480 soon)
8Gb DDR3 RAM
2X SSD
2X HDD
2X BD drive
2X 120MM case fan
1X 140MM case fan



An online PSU caluculator recommened a 550 Watt PSU So I want to stick with 650 Watts if possible, 750 watts max or if you can convince me why I need more smile.gif

I want 80+ Gold/Platinum, and Active PFC, Modular or semi-modular.

Also it will be bottom mounted in a full tower Lian-Lan case.

https://secure.newegg.com/WishList/PublicWishDetail.aspx?WishListNumber=30667146
Edited by aweir - 7/28/16 at 5:28pm
post #2 of 14

Personally, between you and I, go for this Power Supply;

http://www.newegg.com/global/au/Product/Product.aspx?Item=N82E16817438055

It's the BEST one from that list you've provided. Wait for the Experts to chime in here they would know which Power Supply is the Current one to buy and use.
post #3 of 14
I'd get the EVGA Supernova you have listed. The Corsair PSU you have listed is better, but it's also overpriced.
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Everest - Intel
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post #4 of 14
Grab the Supernova 650 P2 while the Rebate still last(it is currently $80 AR), it is a very high quality full modular superflower leadex platinum unit and at a pretty good price. Just bought mine last weekend and enjoying it without issues.
Edited by sherlock - 7/28/16 at 6:27pm
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Skylake 1080 FTW
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post #5 of 14
First off forget what all those rubbish calculators they are wrong
Why all online PSU calculators are wrong and is total bogus

And second you misunderstood the number you got as you got recommened a 550 watt not that your system will draw 550 watt
The system you have in the OP will draw about 250 watts at max, so 650 or 750 watts is massive overkill unless you are going to have two video cards or BIOS volt mod it/them

All you really need here is a good 450 watt unit but those are way overpriced so a 550 and thats at least 250 watts more then the system will ever draw
As for the options either the EVGA SuperNova G2/P2 or the Corsair RMx

Edit: Last the 80 plus rating has nothing to do with quality if you are not already aware and you can get junk that is titanium rated.
Edited by shilka - 7/29/16 at 2:02am
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post #6 of 14
Thread Starter 
The Evga you recommenced is platinum rated. Also Johnny Guru reviewed it and was impressed. (is it also junk?) So it will probably be the one I want. The only thing is I can't find anywhere it says if the PSU is active PFC but since there is no voltage switch on the back is it safe to assume it's active PFC? The only reason I'm concerned is that I would have to get a pure sinewave (an PFC sinewave) UPS for my PC to avoid complications.

If it's a true 80+ Platimum then having a PSU with a higher wattage rating is better than a cheaper high wattage one. Correct? Ideally I'd want that sweet spot perfect power rating, but a 500 watt just seems like a step back from my 610 watt PSU.

EDIT: I pulled the plug (no pun intended) on the EVGA 650 Watt power supply. I'm positive I will not be disappointed. And the 10 year warrantee is phenomenal.

This PSU as well as the MSI RX 480 I'm getting will be a worthwhile upgrade.
Edited by aweir - 7/29/16 at 4:53pm
post #7 of 14
Quote:
Originally Posted by aweir View Post

The Evga you recommenced is platinum rated. Also Johnny Guru reviewed it and was impressed. (is it also junk?) So it will probably be the one I want. The only thing is I can't find anywhere it says if the PSU is active PFC but since there is no voltage switch on the back is it safe to assume it's active PFC? The only reason I'm concerned is that I would have to get a pure sinewave (an PFC sinewave) UPS for my PC to avoid complications.

If it's a true 80+ Platimum then having a PSU with a higher wattage rating is better than a cheaper high wattage one. Correct? Ideally I'd want that sweet spot perfect power rating, but a 500 watt just seems like a step back from my 610 watt PSU.

EDIT: I pulled the plug (no pun intended) on the EVGA 650 Watt power supply. I'm positive I will not be disappointed. And the 10 year warrantee is phenomenal.

This PSU as well as the MSI RX 480 I'm getting will be a worthwhile upgrade.

As far as PSU is concerned, I use CyberPower CP1500PFCLCD Pure Sinwave and it works great with my 650 P2. I recommend anything in that lineup(you don't have to get 900W like I did, quite an overkill)

Yes, it is always better to get PSU with just about enough wattage to satisfy you max draw and highest efficiency you can afford. I think I read somewhere that 1-20% Max Power is where PSU efficiency is the worst and the more "overkill" your PSU is in term of wattage the larger that 1-20% zone is.
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Skylake 1080 FTW
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XPS 15
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Seagate Baracuda 2TB ST2000DM001 HDD Corsair H110i GT Windows 10 Pro  Acer XB321HK 32" 4K G-sync 
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Corsair K70 Rapid Fire EVGA SuperNova 650 P2 NZXT H440 Black Logitech G900  
Mouse PadOther
Razer Vespula CyberPower CP1500PFCLCD - PFC Sinewave UPS Syst... 
CPUMotherboardGraphicsRAM
i7-7700HQ 2.8Ghz(3.8Ghz Turbo) Dell XPS 15-9560 Nvidia GTX 1050 8GB DDR4-2400 
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post #8 of 14
I just made a mistake, i have a 450W PSU intended to feed a 6600K, 2 SSDs and a 1060 or 1070 GPU. Later i bought a 600W PSU, thinking i would need room for overclocking the CPU. Now i have remorse and i think i have to return the 600W. Dumb me doh.gif (my stupidity will cost me money to return the PSU)
Edited by TUFinside - 7/29/16 at 5:52pm
post #9 of 14
Thread Starter 
Quote:
Originally Posted by sherlock View Post

As far as PSU is concerned, I use CyberPower CP1500PFCLCD Pure Sinwave and it works great with my 650 P2. I recommend anything in that lineup(you don't have to get 900W like I did, quite an overkill)

Yes, it is always better to get PSU with just about enough wattage to satisfy you max draw and highest efficiency you can afford. I think I read somewhere that 1-20% Max Power is where PSU efficiency is the worst and the more "overkill" your PSU is in term of wattage the larger that 1-20% zone is.

I purchased an APC 1080VA battery backup ($99 on sale from BestBuy, but I didn't even open it up when I read about UPS units failing while using them with active PFC computer power supplies. Back to the store it goes. I don't really need such an expensive UPS, but there are power glitches every now and then here where the power will go out for about 2 seconds then come back on. (I hear people around here hit a lot of telephone poles, and the midwest gets a LOT of thunderstorms).

With an 80+ platinum PSU, a 20% load is still at 90% efficiency. Running a PSU at near 50% load for optimum efficiency all the time would shorten it's life. Isn't it better to choose a PSU where 100% load on the PC is about 50% load of the PSU?
Edited by aweir - 7/29/16 at 5:55pm
post #10 of 14
Quote:
Originally Posted by shilka View Post

As for the options either the EVGA SuperNova G2/P2 or the Corsair RMx

Edit: Last the 80 plus rating has nothing to do with quality if you are not already aware and you can get junk that is titanium rated.

So basically just get an EVGA G2/P2 or even the latest T2 power supplies, although there is no review of their T2 model versions yet. According to their own track record I would be surprised if the 750W T2 model from Evga is junk.

Not saying go and buy a 750 T2 model but their current model is the one worth buying, if you are indeed looking for a highly rated Titanium Power Supply. My own humble opinion here so please take it for what it is.
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