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Do I need 80 Plus Gold?

post #1 of 9
Thread Starter 
I am upgrading my current computer to an LGA 2011 build and need to replace my 650W PSU from 2009/2010.

My new rig will run:

- ASRock Extreme6 X79 Motherboard
- Intel i7 3820 (Overclocked to 4.6-4.8GHz)
- Dual 120GB SSD in RAID
- 1TB 7200RPM HDD
- Radeon HD 7950 (Eventually Two)
- Laing D5 Variable Speed Pump
- 4x 4GB Sticks of DDR3 Memory
- 1 DVD burner
- Sound Card at some point

I'm planning on getting a Kingwin LZ-1000 80 Plus Bronze 1000W PSU. Is this enough? Should I spend an extra 50 bucks to get the 80 plus gold PSU? Thanks for any help.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817121068
Edited by Ron953 - 11/20/12 at 10:33am
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Polar Bear
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post #2 of 9
You can get gold and save money. You really don't need 1000w.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139010

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151087

I personally like Seasonic.
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post #3 of 9
That PSU is powerful enough to handle your rig. When it comes to choosing Bronze, Silver, Gold, or Platinum, you're actually choosing how efficient it is. If you plan on leaving your computer on for longer hours and want less power draw from the wall go gold wink.gif.

http://www.hardocp.com/article/2011/10/04/80_plus_irrelevant_to_you_when_buying_psu/1
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XSPC EX360 XSPC GTX680 Cooling block Liang D5 Alphacool Aqualis PRO w/ Nano Coat 
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post #4 of 9
Efficiency has nothing to do with the quality of the PSU. But if you run your computer 24/7 (like me), I can certainly see buying one.

I'd recommend:

Corsair HX750
Seasonic AX750 (occasionally goes on sale for $100)
KINGWIN LZP-850
post #5 of 9
Thread Starter 
Is 750W really all I need for dual crossfire and over 2 years of frequent use? That's great! I'll probably go with the corsair PSU.
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Polar Bear
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post #6 of 9
Quote:
Originally Posted by Ron953 View Post

Is 750W really all I need for dual crossfire and over 2 years of frequent use? That's great! I'll probably go with the corsair PSU.

It will be plenty.
post #7 of 9
Quote:
Originally Posted by Ron953 View Post

Is 750W really all I need for dual crossfire and over 2 years of frequent use? That's great! I'll probably go with the corsair PSU.

Yeah man. Plus that corsair HX750 comes with a $25 rebate so it ends up being $120
My System
(17 items)
 
  
CPUMotherboardGraphicsRAM
i7-2600k @ 4.6ghz Gigabyte Z77X-UD5H Zotac GTX 970 w/ Heatkiller 16GB G.Skill Ares (2133) 
Hard DriveHard DriveCoolingOS
Samsung 830 256GB Samsung 840 500GB XSPC Raystorm / RX240 / UT60 / D5 W7 Home Premium 64 
MonitorKeyboardPowerCase
X-Star DP2710 1440p CM Quickfire TK (browns) Seasonic X-660 NZXT Switch 810 
MouseAudioAudio
Zowie ec1 evo Creative Soundblaster Z Sennheiser HD558 
  hide details  
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My System
(17 items)
 
  
CPUMotherboardGraphicsRAM
i7-2600k @ 4.6ghz Gigabyte Z77X-UD5H Zotac GTX 970 w/ Heatkiller 16GB G.Skill Ares (2133) 
Hard DriveHard DriveCoolingOS
Samsung 830 256GB Samsung 840 500GB XSPC Raystorm / RX240 / UT60 / D5 W7 Home Premium 64 
MonitorKeyboardPowerCase
X-Star DP2710 1440p CM Quickfire TK (browns) Seasonic X-660 NZXT Switch 810 
MouseAudioAudio
Zowie ec1 evo Creative Soundblaster Z Sennheiser HD558 
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post #8 of 9
Your electricity would have to be pretty expensive and you would have to stress your PC 24 /7 to recoup the extra cost of a gold PSU vs a bronze.

But generally a higher rated one will be of better quality with better components, lower ripple, longer warranty, often more silent and modular perhaps.
And if you buy one that's perhaps a little overkill (100W more than recommended for example), then you have a component that you will probably keep longer than most other hardware in your rig.

So if you take all those things into account: Yes, getting a solid, high-quality and high-efficiency PSU is worth it.

Do keep in mind that you shouldn't only look at the efficiency rating but definitely look up reviews. Decent reviews where they actually use those fancy machinery to load it thumb.gif

Some brands I approve of (there are others out there but these are the ones I have personal experience with, and not all the models are particularly good so take your time and pick wisely)
Seasonic
Corsair
Be Quiet!
Antec
Edited by Bloitz - 11/20/12 at 10:53am
Black Betty
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post #9 of 9
Thread Starter 
Thanks for the help everyone. I'll be getting the HX750 for my upgraded rig.
Polar Bear
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RAMHard DriveHard DriveHard Drive
Corsair Vengeance Western Digital Caviar Black OCZ Vertex 3 SSD Crucial 512GB MX100 
Optical DriveCoolingCoolingCooling
LG Super Multi DVD/RW Drive Swfitech MCP655 Pump XSPC Dual 5.25" Bay Reservoir EK Supremacy Copper Plexi CPU Water Block 
CoolingCoolingOSMonitor
EK-FC R9-290X Copper Acetal VGA Water Block Magicool Extreme Triple 120mm Radiator - Slim P... Windows 10 Professional Dell U2414H 
MonitorKeyboardPowerCase
Dell U2414H Custom Ergo Dox with Cherry MX Green Switches EVGA Super Nova 850 Corsair Graphite 600T 
MouseAudio
Logitech G700 Bose Companion 2 Speakers 
  hide details  
Reply
Polar Bear
(22 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Core i7 920 ASUS Rampage II Gene ASUS Radeon R9-290 AMD Radeon R9-290 
RAMHard DriveHard DriveHard Drive
Corsair Vengeance Western Digital Caviar Black OCZ Vertex 3 SSD Crucial 512GB MX100 
Optical DriveCoolingCoolingCooling
LG Super Multi DVD/RW Drive Swfitech MCP655 Pump XSPC Dual 5.25" Bay Reservoir EK Supremacy Copper Plexi CPU Water Block 
CoolingCoolingOSMonitor
EK-FC R9-290X Copper Acetal VGA Water Block Magicool Extreme Triple 120mm Radiator - Slim P... Windows 10 Professional Dell U2414H 
MonitorKeyboardPowerCase
Dell U2414H Custom Ergo Dox with Cherry MX Green Switches EVGA Super Nova 850 Corsair Graphite 600T 
MouseAudio
Logitech G700 Bose Companion 2 Speakers 
  hide details  
Reply
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