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Another "Comment on New Build'
06-17-2011, 12:34 PM,
#11
RE: Another "Comment on New Build'
My recommendation was based on a comment made in a thread about my build, which is pretty comparable to this one, in which Mathieu recommended a ~750W PSU for future SLI. Newegg probably bumps up your requirements, but I'd rather have too much power than too little Smile Your points are valid, though. This calculator probably is more realistic.
Desktop: OS: Windows 7 Pro CPU: Intel Core i5-2500K @ 4.6GHz with COOLER MASTER Hyper 212 Plus MOBO: ASRock P67 EXTREME4 GRAPHICS: MSI CYCLONE 1GD5/OC GeForce GTX 460 RAM: G.SKILL 8GB (2 x 4GB) SDRAM DDR3 @ 1333MHz PSU: CORSAIR HX Series 750W Modular HDD: SAMSUNG Spinpoint F3 1TB 7200 RPM ODD: ASUS SATA 24X DVD Burner CASE: COOLER MASTER HAF 922
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06-17-2011, 01:10 PM, (This post was last modified: 06-17-2011, 01:13 PM by Brian.)
#12
RE: Another "Comment on New Build'
Most good power supplies are overspecced, which is a good thing. They don't blow up or anything if you exceed the rated power. Probably just becomes less efficient.

Example: Seasonic 80 Plus Gold 400W can easily deliver 600W.
Kingwin 80 Plus Platinum 550W can easily deliver 650W.
Case: Cooler Master HAF 932 Advanced CPU: Intel Core i7 2600K CPU Cooler: Thermalright Silver Arrow CPU TIM: Thermalright Chill Factor III GPU: Sapphire Radeon 6970 VGA Cooler: Arctic Cooling Accelero Xtreme Plus SSD: Crucial M4 256GB HDD: Samsung F3 1TB Motherboard: ASRock P67 PRO3 RAM: 4x4GB (16GB) Kingston HyperX DDR3 1600MHz Optical Drive: ASUS 24X PSU: 550W Kingwin Lazer 80 Plus Platinum Fan Controller: Scythe Kaze Q12 Sound Card: Asus Xonar Essence STX Keyboard: Rosewill RK-9000 Cherry MX Blue Mouse: Logitech G500 Monitor: Sceptre 27"
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06-17-2011, 01:40 PM, (This post was last modified: 06-17-2011, 01:41 PM by Andrew J.)
#13
RE: Another "Comment on New Build'
Source...? That just sounds like a bad idea.
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06-17-2011, 02:22 PM, (This post was last modified: 06-17-2011, 02:25 PM by Brian.)
#14
RE: Another "Comment on New Build'
http://www.hardwaresecrets.com/article/S...ew/1118/10

http://www.hardwaresecrets.com/article/S...ew/1073/10

http://kingwin.com/products/cate/power_s...er_550.pdf

Basically efficiency starts going down if you exceed the rated power. The reason why they're rated lower than they're actually capable of is to make 80Plus Gold/Platinum ratings.

Still, my point is, many people think they need a much bigger power supply than they actually do. I wouldn't recommend exceeding the rated power at all, but I'd just like to prove that you don't need massive amounts of headroom.
Case: Cooler Master HAF 932 Advanced CPU: Intel Core i7 2600K CPU Cooler: Thermalright Silver Arrow CPU TIM: Thermalright Chill Factor III GPU: Sapphire Radeon 6970 VGA Cooler: Arctic Cooling Accelero Xtreme Plus SSD: Crucial M4 256GB HDD: Samsung F3 1TB Motherboard: ASRock P67 PRO3 RAM: 4x4GB (16GB) Kingston HyperX DDR3 1600MHz Optical Drive: ASUS 24X PSU: 550W Kingwin Lazer 80 Plus Platinum Fan Controller: Scythe Kaze Q12 Sound Card: Asus Xonar Essence STX Keyboard: Rosewill RK-9000 Cherry MX Blue Mouse: Logitech G500 Monitor: Sceptre 27"
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06-17-2011, 02:49 PM,
#15
RE: Another "Comment on New Build'
What that means, as far I as know, that at max load, the PSU will be able to pump out that much power, if you are constantly running at load, you are going to burn out the PSU. Maybe I am wrong, but I don't think so. You definitely want some headroom with the power supply.
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06-19-2011, 04:16 PM,
#16
RE: Another "Comment on New Build'
I've read around a bit, it just seems that SeaSonic waaaay underrates their power supplies.
Case: Cooler Master HAF 932 Advanced CPU: Intel Core i7 2600K CPU Cooler: Thermalright Silver Arrow CPU TIM: Thermalright Chill Factor III GPU: Sapphire Radeon 6970 VGA Cooler: Arctic Cooling Accelero Xtreme Plus SSD: Crucial M4 256GB HDD: Samsung F3 1TB Motherboard: ASRock P67 PRO3 RAM: 4x4GB (16GB) Kingston HyperX DDR3 1600MHz Optical Drive: ASUS 24X PSU: 550W Kingwin Lazer 80 Plus Platinum Fan Controller: Scythe Kaze Q12 Sound Card: Asus Xonar Essence STX Keyboard: Rosewill RK-9000 Cherry MX Blue Mouse: Logitech G500 Monitor: Sceptre 27"
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