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PSU Quandary NZXT Vs EVGA

post #1 of 10
Thread Starter 
Hi,

I'm Currently having trouble deciding between several PSU's for a build i'm planning. The PSU's are:
EVGA Supernova NEX 650W 80+ Gold Fully Modular £85
NZXT Hale 82 650W 80+ Bronze £90
Seasonic M12II 80+ Bronze £90

Any reccomendations in this price range are welcome origional plan was to buy the XFX Pro Series 650W XXX Modular PSU at £75 but has been out of stock for nearly a month at that price.

EVGA seems reasonable but I've not heard much about their PSU's.

Thanks in advance for any help.
The Kestrel
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Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
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The Kestrel
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i5 3570k Gigabyte Z77X-UD3H Asus 7870 Direct CUII Samsung Green 
Hard DriveCoolingOSPower
Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
Case
NZXT Phantom 
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post #2 of 10

May I ask you what you're going to be powering? You might be able to get a superior 550W unit at a similar price as these 650W units.

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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 
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post #3 of 10
Thread Starter 
Yeah, I've aready asked on the forums a while ago.

CPU, either: i53570k or fx 8350 hoping to overclock but never OC'd before
GPU Asus 7870 with provision to possibly Xfire or upgrade to 7970 in future also hoping to clock a little
1 SSD
1 HDD
NZXT Phantom case with about 6 Fans

People suggested the 650W would have better overhead for future upgrade
Edited by AvengerT - 3/20/13 at 3:47am
The Kestrel
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k Gigabyte Z77X-UD3H Asus 7870 Direct CUII Samsung Green 
Hard DriveCoolingOSPower
Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
Case
NZXT Phantom 
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The Kestrel
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k Gigabyte Z77X-UD3H Asus 7870 Direct CUII Samsung Green 
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Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
Case
NZXT Phantom 
  hide details  
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post #4 of 10
Quote:
Originally Posted by AvengerT View Post

Yeah, I've aready asked on the forums a while ago.

CPU, either: i53570k or fx 8350 hoping to overclock but never OC'd before
GPU Asus 7870 with provision to possibly Xfire or upgrade to 7970 in future also hoping to clock a little
1 SSD
1 HDD
NZXT Phantom case with about 6 Fans

People suggested the 650W would have better iverhead for future upgrade

 

But each new generation of GPUs and CPUs requires less power than the previous.

 

Also, a system like this with two 7870s would easily be powered by a quality-made 550W power supply:

 

http://www.guru3d.com/articles_pages/amd_radeon_hd_7850_and_7870_review,7.html

 

With one 7870 under full load in their system, their PSU pulled 274W from the wall outlet. The 7870 by itself pulled 127W, so adding 127W again for a 2nd 7870 makes the PSU pulling 401W from the wall outlet. If you were to overclock the 3570K to 5 GHz, then it would pull about 150W. Combining the two makes the PSU pulling 551W from the wall outlet. So if the PSU is 90% efficient while pulling 551W from the wall outlet, then that means the system is pulling about 496W from the PSU - but only if the 7870s and the overclocked 3570K (5 GHz) are under full load at the same time. This is an unrealistically high power draw because of that simultaneous full load scenario. A more realistic power draw is your gaming power draw, and that would be closer to about 375 to 425W - maybe 450-475W if the game is really super demanding. This means a quality-made 550W PSU would be in the sweet spot for maximum efficiency.

 

A single 7970 is about 50W less all around for the entire system.

 

Of course, overclocking either the 7870s or the single 7970 could make a quality-made 650W become the sweet spot.

 

This list might be helpful:

 

http://www.overclock.net/t/183810/faq-recommended-power-supplies

 

You can also just click this hidden text (to save space) below:

 

600-699W range (taken from the Recommended Power Supplies list) (Click to show)

 

-------------------------------------------------------------------------
600-699w
-------------------------------------------------------------------------

 

 

It's a computer!
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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It's a computer!
(19 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 DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #5 of 10
Thread Starter 
Was hoping to Clock the card/cards and CPU. I've already had a look at the list was just wondering if there was any reason to go for the NZXT or Seasonic over the EVGA which is cheaper but is 80+ Gold where as the others are 80+ Bronze. I'm weary of anything where I get "more" for less. I've also not heard much about the quality of EVGA PSU's but have heard good things about NZXT and Seasonic.
The Kestrel
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k Gigabyte Z77X-UD3H Asus 7870 Direct CUII Samsung Green 
Hard DriveCoolingOSPower
Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
Case
NZXT Phantom 
  hide details  
Reply
The Kestrel
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k Gigabyte Z77X-UD3H Asus 7870 Direct CUII Samsung Green 
Hard DriveCoolingOSPower
Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
Case
NZXT Phantom 
  hide details  
Reply
post #6 of 10
Quote:
Originally Posted by AvengerT View Post

Was hoping to Clock the card/cards and CPU. I've already had a look at the list was just wondering if there was any reason to go for the NZXT or Seasonic over the EVGA which is cheaper but is 80+ Gold where as the others are 80+ Bronze. I'm weary of anything where I get "more" for less. I've also not heard much about the quality of EVGA PSU's but have heard good things about NZXT and Seasonic.

 

With PSUs, it's not really possible to go by brand names because with the exception of SeaSonic, the companies mentioned so far don't make their own PSUs. What's more, not all of the PSUs from one brand are the same in terms of quality. Some brands have such a wide range that they range from complete junkers all the way to PSUs that are actually pretty nice. So, it's risky to go by brand names - especially without the guidance of someone who knows which PSUs are bad and which ones are good. Of course, it's not so black and white as just "bad" and "good" either. There's pretty much a full spectrum of colors, so to speak.

 

I don't know how good or bad the EVGA SuperNOVA series is in this wattage range, but I know that their 1500W is an extremely impressive unit. So, I like to assume that all of the SuperNOVA series are very high-end. If this is the case, then it would be a far better choice than any of the others you looked at so far. It very well could be the case too because they are on the recommended list of power supplies:

 

http://www.overclock.net/t/183810/faq-recommended-power-supplies

 

Although, the 750B is not on this list for some reason. Either it's not a good unit, or it's just so new that it hasn't been added to the list.

 

If I'm not mistaken, then I think that the HALE82 is a SeaSonic S12II inside. Either that, or it's based on a platform that's very similar. I can't quite remember. The SeaSonic M12II is basically a modular S12II (it's not perfectly identical inside, but it's close enough).

 

What store(s) are you ordering from?

It's a computer!
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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 DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 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 DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #7 of 10
Thread Starter 
Buying from http://www.overclockers.co.uk/ , looking at the EVGA it's got Quad 12V rails which I've heard and read isn't as good as one single rail. Might just shell out the extra £15 for Seasonic G 650 80+ Gold.
The Kestrel
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k Gigabyte Z77X-UD3H Asus 7870 Direct CUII Samsung Green 
Hard DriveCoolingOSPower
Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
Case
NZXT Phantom 
  hide details  
Reply
The Kestrel
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k Gigabyte Z77X-UD3H Asus 7870 Direct CUII Samsung Green 
Hard DriveCoolingOSPower
Kingston Hyper x 120Gb SSD Xigmatek Dark Knight II Widows 7 64bit Seasonic M12II 650W 80+ Modular PSU 
Case
NZXT Phantom 
  hide details  
Reply
post #8 of 10
Quote:
Originally Posted by AvengerT View Post

Buying from http://www.overclockers.co.uk/ , looking at the EVGA it's got Quad 12V rails which I've heard and read isn't as good as one single rail. Might just shell out the extra £15 for Seasonic G 650 80+ Gold.

 

That really only applies to PSUs with huge capacities:

 

Single Rail vs. Multi Rail *Explained*

It's a computer!
(19 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 DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 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 DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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Reply
post #9 of 10
Quote:
Originally Posted by TwoCables View Post

http://www.overclock.net/t/183810/faq-recommended-power-supplies

Although, the 750B is not on this list for some reason. Either it's not a good unit, or it's just so new that it hasn't been added to the list.
It's deliberately absent from the list, it's simply poor.... a tarted up FSP Raider.


@OP, looking at what OCuK has on offer currently, I'd say pick up the Antec HCP 750 (while overkill, it's simply too good of a deal to pass).
post #10 of 10
how bout this ?

http://www.pixmania.co.uk/uk/uk/12756211/art/lepa/g750-mas-80plus-gold-pc-p.html
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Ultra mega
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