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New Build - Power Supply Questions - Need Help!

post #1 of 6
Thread Starter 
I have been planning a new build for a few weeks now and I am determined to order everything by tomorrow morning so I can receive it by the weekend. It's been several years since I've shopped for power supplies and back then, Corsair and Seasonic were top of the line with few others being mentioned in the same league. Nowadays, from what I've read and found posted from forum members and reviews, Corsair's quality seems to have fallen significantly and remained expensive while EVGA is revered as being top tier with excellent quality and pricing. Aside from EVGA, it appears Seasonic, Super Flower Leadex, and XFX XTR models are also extremely good. Did I miss any other viable options? I'm having a bit of trouble determining how large of a power supply I will need and which specific one to order so I'm hoping you guys can help me. I've tried using the power supply calculators but it appears they've become inaccurate and each one has given me vastly different estimates ranging from 550w to 1100w.


The build is not set in stone as I'm still working on it but here is a rough estimate of what it will be powering. I'm not sure what the best option is for the power supply or what wattage I need but I included an EVGA unit for now.

http://pcpartpicker.com/p/BYsthM



Here is a list of possible changes that may need to be accounted for in terms of power requirements:

  • I will be moderately overclocking the CPU, Graphics Card(s), and maybe the Memory. Nothing too extreme but as high as I can get them while keeping the voltage and temperatures well within the safe range.
  • Graphics cards may be swapped to a single 980 Ti or 970 SLI. The 780 Tis are far more power hungry but I'd rather have the extra wattage headroom so I don't have to worry about making changes as there's only a $20 or so price difference between wattage tiers.
  • The cooling may be swapped to a full custom loop or just add a Kraken G10 or two with another AIO unit to cool the graphics cards.
  • I may add another hard drive or even end up just going with one large SSD and no hard drive.
  • I may go with Windows 10 instead of 7, if that matters.
  • I will have an Optical Drive but it didn't give me any options to select in the build.
  • I will likely have numerous fans between the radiators and case fans.
  • There will be tons of additional accessories plugged into the USB ports including a Headphone Amplifier, Cell Phone, iPod, Capture Card for Xbox, Printer, Webcam, Etc
.



What wattage and specific power supply would you guys recommend?

Thanks for the help!
Gideon
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Gideon
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For Sale: Astro A40 Headset + Astro Mixamp Pro
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CPUMotherboardGraphicsRAM
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post #2 of 6

When you say tomorrow morning, do you mean this morning? Like, in a few hours?

 

When it comes to PSUs, it's always about the models, not the brand names. So, while the particular EVGA unit you picked out is a Super Flower Leadex, not all of EVGA's PSUs are good. That's pretty much the way it is for all manufacturers, for the most part.

 

For what your plans are both now and in the future, I want to keep the cost of the PSU as low as possible without limiting your plans with two mildly-overclocked 780 Ti's. So, I recommend a good quality-made 850W PSU. Using PCPartPicker, this is my first recommendation:

 

http://pcpartpicker.com/part/evga-power-supply-220g20850xr

 

It's the 850W EVGA SuperNOVA G2. The G2/P2/T2 PSUs are all Super Flower Leadex, so with these you are getting the best of the best. I feel that I can stop here and leave this at that because I don't see any good reason to keep looking. When you switch to a single 980 Ti or two 970s SLI, your power consumption will drop like a huge stone in water. So it would cause the 850W G2 to become a very overkill PSU to have.

 

I'm actually on my way to bed, so I will probably be logged out by the time you see this. If you have questions about other PSUs, then I probably won't be able to reply until roughly 12+ hours from now.

It's a computer!
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It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #3 of 6
Thread Starter 
Thanks for the reply! biggrin.gif

If you don't mind me asking, why would you choose the G2 over the P2? On Newegg, the 850w G2 is $149 and the P2 is only $159 so it's a $10 difference for the same wattage but Platinum Certification vs Gold. Is there something about the G2 that makes it a better unit? I always make sure to buy as high quality as I can afford when it comes to power supplies and motherboards as I know how important it is since one of them failing could ruin the entire system. I certainly don't mind spending a few extra dollars if it means that I'm getting the best quality possible. If the G2 is as good as you say, I can only imagine the P2 would be better and only $10 more.

In your opinion, as I incur from your response, the EVGA G2/P2 are the best option in terms of performance, quality, reliability, warranty, etc., correct? Is there anything else worth considering? I apologize for not being clearer as I now see the other EVGA models. It appears they're older versions (G/GS instead of G2, P/PS instead of P2, etc.) so I was just referring to the current "SuperNOVA" models. I believe I have until some time in the afternoon to order from Amazon and still use my 1-2 day shipping so I will wait to hear back from you before I order.

Do you happen to have a close estimate to the wattage required to run the system I linked? As I said, the calculators ranged from 550w to 1100w so I have no idea. I'm just afraid if I have a solid overclock on the CPU, GPU(s), and possibly RAM that it could run the wattage up significantly. If I happened to go crazy and run 980 Ti SLI, would the 850w handle that? It appears the 980 Ti and 780 Ti require equal power to run and quite a lot of it so I just want to be sure I have plenty of headroom instead of pushing the power supply too hard or being forced to replace it and have to rerun all the cables for the system. Is there any downside to buying a larger power supply than needed if it's equal quality?

Finally, I see these units are fully modular which is definitely what I wanted. However, I'd really like braided, colored cables such as these because I think they look absolutely great. http://www.legitreviews.com/images/reviews/1837/corsair-cable-wraps.jpg

Is that possible to do with the EVGA unit or is it a Corsair only option?

Thanks so much for your help!
Gideon
(10 items)
 
For Sale: Astro A40 Headset + Astro Mixamp Pro
$179.99 (USD)
CPUMotherboardGraphicsRAM
Intel i7 6700K Asus Z170i Pro Gaming GTX 1080 Corsair Vengeance LED 32GB 3200 Mhz 
Hard DriveCoolingOSPower
Samsung 950 PRO 256GB NZXT Kraken X61 Windows 10 EVGA P2 SuperNOVA 850w 
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NZXT Manta Astro A40 TR + Astro Mixamp TR 
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Gideon
(10 items)
 
For Sale: Astro A40 Headset + Astro Mixamp Pro
$179.99 (USD)
CPUMotherboardGraphicsRAM
Intel i7 6700K Asus Z170i Pro Gaming GTX 1080 Corsair Vengeance LED 32GB 3200 Mhz 
Hard DriveCoolingOSPower
Samsung 950 PRO 256GB NZXT Kraken X61 Windows 10 EVGA P2 SuperNOVA 850w 
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post #4 of 6
Quote:
Originally Posted by Melee View Post

Thanks for the reply! biggrin.gif

 

You're welcome!

 

Quote:
Originally Posted by Melee View Post

If you don't mind me asking, why would you choose the G2 over the P2?

 

Because it's $117.99 after the rebate from NCIX: http://pcpartpicker.com/part/evga-power-supply-220g20850xr

 

Also, before the rebate, it's $137.99. So, I didn't see a reason to spend more for the 1000W P2, especially when I thought you would never need all that power (based on what you said in your original post). The G2 is just as good as the P2 because the G2/P2/T2 lineup are all Super Flower Leadex units which are the best of the best in terms of quality. The only difference is the efficiency, and that has nothing to do with the PSU's quality. Outside of that, they're all of top-of-the-line quality: the best of the best. You can't get a better PSU than the Super Flower Leadex, at least not right now. Maybe we will in the future at some point (I think it's inevitable), but not now.

 

Quote:
Originally Posted by Melee View Post

In your opinion, as I incur from your response, the EVGA G2/P2 are the best option in terms of performance, quality, reliability, warranty, etc., correct?

 

Believe it or not, it's not my opinion; it's a fact. It's a fact right now that the Super Flower Leadex is the best of the best. Not to be too repetitive, but it can be worth repeating that EVGA's G2/P2/T2 lineup are all Super Flower Leadex units (with the only difference being the efficiency which has nothing to do with the PSU's quality), so it's a fact that they are the best. I admit that I feel you don't NEED the best of the best, but EVGA's PSUs are very very very affordable, so why not? :)

 

Quote:
Originally Posted by Melee View Post

Is there anything else worth considering?

 

Sort of, but EVGA's pwning the market with their prices at the moment.

 

Quote:
Originally Posted by Melee View Post

I apologize for not being clearer as I now see the other EVGA models. It appears they're older versions (G/GS instead of G2, P/PS instead of P2, etc.) so I was just referring to the current "SuperNOVA" models. I believe I have until some time in the afternoon to order from Amazon and still use my 1-2 day shipping so I will wait to hear back from you before I order.

 

The GS series is a little newer newer and it's split into two different quality categories. There are the 550W and 650W PSUs, and then there are the 850W and 1050W PSUs. The 550W and 650W PSUs are more of a basically-very-good quality. They are some newer SeaSonic unit that isn't intended to be super high-end but rather just to be "good enough" for enthusiasts. That's my take on it anyway. Some professional reviewers claim that it's the SeaSonic G Series or even the S12G, but it's not; any careful examination of the internals will reveal big differences. The SeaSonic G Series and S12G is a very solid good-quality unit (XFX's XTR Series uses the SeaSonic G Series), and this new SeaSonic platform that EVGA used in the 550W and 650W GS units is a little bit lower in quality.

 

The 850W and 1050W GS Series PSUs are the super high-end SeaSonic KM3 platform which is rivaling the Super Flower Leadex while trailing behind a little bit in quality (but not by much). EVGA's prices on these are higher than they should be because they're slightly inferior to the G2/P2/T2 lineup, but it could be due to SeaSonic's prices as an OEM distributor to manufacturers like EVGA. I'm not sure.

 

Here's a little more information:

 

http://www.overclock.net/t/1541939/evga-supernova-lineup-explained

 

Quote:
Originally Posted by Melee View Post

Do you happen to have a close estimate to the wattage required to run the system I linked?

 

After all the good questions and points you raised, I'm not so sure it would be worth our time to look at it. However, I don't want to leave you hanging: I think that if you were to stay true to your plans in your original post and only moderately overclock the 780 Ti's as you said, "Nothing too extreme but as high as I can get them while keeping the voltages and temperatures well within the safe range", then I'd make a rough estimate of no more than 700-750W while gaming. Of course, with the low power consumption of the 6700K, it'll probably be a lot less, like maybe never more than 650W or so.

 

However, after considering the possibility you brought up of having a much higher overclock on the 780 Ti's than what you originally asked about or with the possibility of having two moderately-overclocked or possibly heavily-overclocked 980 Ti's, the power consumption would go up so high that you would definitely want to have a couple hundred more watts of power available to you than what a top-of-the-line 850W PSU can provide. With these cards at stock though, a good quality-made 850W PSU would be more than enough.

 

Quote:
Originally Posted by Melee View Post

As I said, the calculators ranged from 550w to 1100w so I have no idea.

 

Yeah, those things don't deserve to be called "calculators". Instead, they're "misleaders". heh None of them are accurate, not even in the least bit. On August 1st, eXtreme Outer Vision rolled out a completely new PSU calculator, and it's complete garbage. Their old one was so good that it was possible to get quite an accurate calculation out of it, just as long as it was used correctly. This new one they have though doesn't have ANY way to get an accurate calculation out of it! It's just complete trash. :/

 

It's depressing actually because I used to be able to use it to help me prove that I'm right about someone's power consumption. Now all I got is my word and professional reviews on PSUs and GPUs and CPUs. heh

 

Quote:
Originally Posted by Melee View Post

Is there any downside to buying a larger power supply than needed if it's equal quality?

 

Only that you had spent more money than you needed to. With low-quality PSUs, you can run into issues with a reduction in the quality of the power that's being delivered to the computer and you can get an efficiency that's lower than what's advertised. With high-end PSUs like these though, that's pretty much never a problem; they shrug it off and go, "I can do anything you want without any problems. You wanna pull only 50W? That's cool with me. You wanna pull about 100% of my advertised capacity? No problem!" lol :)

 

So, after considering your good questions and your good points, I guess it would be worth it after all to spend more on something like the 1000W P2. Fortunately, it's only approximately $33 more. I guess I'm just a sucker for spending less whenever I can and I forget that not everyone is like that!

 

Quote:
Originally Posted by Melee View Post

Finally, I see these units are fully modular which is definitely what I wanted. However, I'd really like braided, colored cables such as these because I think they look absolutely great. http://www.legitreviews.com/images/reviews/1837/corsair-cable-wraps.jpg

Is that possible to do with the EVGA unit or is it a Corsair only option?

 

I'm clueless here, so I can't even begin to guess. :/

 

Quote:
Originally Posted by Melee View Post

Thanks so much for your help!

 

You're welcome! It's a pleasure, really.

It's a computer!
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Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #5 of 6
Thread Starter 
Wow, thank you so much for taking the time and effort to write all that out for me. I appreciate it more than you know. thumb.gif

I will certainly be going with an EVGA G2 or P2 and am excited that such wonderful units are priced so well. I'm not sure which wattage I will go with but likely either the 850w or maybe the 1000w just for peace of mind in knowing I can add or change whatever I want without worry.

My build will be what I linked without variance aside from the graphics cards. The only things not set in stone are which monitors I will use and therefore which graphics cards I will need to power them. Aside from that, the rest will remain constant.

I truly wish there was a reliable calculator so that I could plug in any proposed changes and see how it effects the wattage. Oh well, though, what can ya do. lol

Thanks again.
Gideon
(10 items)
 
For Sale: Astro A40 Headset + Astro Mixamp Pro
$179.99 (USD)
CPUMotherboardGraphicsRAM
Intel i7 6700K Asus Z170i Pro Gaming GTX 1080 Corsair Vengeance LED 32GB 3200 Mhz 
Hard DriveCoolingOSPower
Samsung 950 PRO 256GB NZXT Kraken X61 Windows 10 EVGA P2 SuperNOVA 850w 
CaseAudio
NZXT Manta Astro A40 TR + Astro Mixamp TR 
  hide details  
Reply
Gideon
(10 items)
 
For Sale: Astro A40 Headset + Astro Mixamp Pro
$179.99 (USD)
CPUMotherboardGraphicsRAM
Intel i7 6700K Asus Z170i Pro Gaming GTX 1080 Corsair Vengeance LED 32GB 3200 Mhz 
Hard DriveCoolingOSPower
Samsung 950 PRO 256GB NZXT Kraken X61 Windows 10 EVGA P2 SuperNOVA 850w 
CaseAudio
NZXT Manta Astro A40 TR + Astro Mixamp TR 
  hide details  
Reply
post #6 of 6
Quote:
Originally Posted by Melee View Post

Wow, thank you so much for taking the time and effort to write all that out for me. I appreciate it more than you know. thumb.gif

I will certainly be going with an EVGA G2 or P2 and am excited that such wonderful units are priced so well. I'm not sure which wattage I will go with but likely either the 850w or maybe the 1000w just for peace of mind in knowing I can add or change whatever I want without worry.

My build will be what I linked without variance aside from the graphics cards. The only things not set in stone are which monitors I will use and therefore which graphics cards I will need to power them. Aside from that, the rest will remain constant.

I truly wish there was a reliable calculator so that I could plug in any proposed changes and see how it effects the wattage. Oh well, though, what can ya do. lol

Thanks again.

 

You're welcome!! :)

It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
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