I am in the market to purchase a 600-800w PSU in the coming week. I currently have a Cooler Master Elite 360 case, so PSU size matters to me a lot. The current PSU I have installed is the Cooler Master eXtreme Power Plus 500W. It has 2 - 12V rails at 18A each. I upgraded the computer with many new parts recently, and I am currently on the edge of the PSU's power limits. Let me tell you what I've got. And then I have a stupid question to follow, LOL.
AMD Phenom X4 965 BE C3 OC to 3.8GHz on air cooling.
Asus M4A88T-M/USB3
4 x 2GB Kingston DDR3-1333
2 x 1TB WD Caviar Blue SATA2 HD
1 x Pioneer DVD-DL Burner SATA
1 x Zotac GTX465 1GB GDDR5 Memory
The Cooler Master PSU calculator says my system pushes approximately 488W, and I am running a 500W PSU... so I want to upgrade with something that has much more wattage and greater efficiency. But I have a problem with my current case. Right now with this tiny case, and this large video card, I have only 1/4 inch space between the video card and the PSU (luckily the video card power connectors are on the side and not the back or it would never fit). So I have been looking at other Cooler Master PSU's like the GX 750W, because it's size is exactly the same as my current PSU. The dimensions are 5.9 x 5.5 x 3.4 inch (150 x 140 x 86 mm). Anything LONGER will not fit, period.
Also I must mention that I am an American living in China, and I cannot find any PSU locally over 500W... they think 750W is insane or something and have to order it. So I will likely be ordering this from the Chinese NewEgg. The Chinese NewEgg only carries 1 Antec and it is too large to fit. They carry most of the Cooler Masters and Coolmax brand. So keep this in mind with regard to any recommendations you may have for me. My brand selection is quite limited as is my size.
Now for the stupid question. Is it more important to have one large rail? Or 2,3, or 4 +12V rails. In all my years of building PCs, this is the first one that required me to ask this question because of the large power requirement of this particular video card. I never ran SLI or Crossfire systems, and up to now I never had anything over the 9800GT. So stability and rails have never entered my mind. I always just pick something 100-200 watts more than they system will draw.
My current PSU has 2 +12 rails, but the one I am considering has one large +12v rail (+3.3V@25A, +5V@25A, +12V@60A, -12V@0.5A, +5VSB@2.5A)
What is most important for the voltage stability and system performance? Raw wattage on one rail? Or wattage equally distributed on several rails? I do not plan on running more than one video card this board only supports one anyways.
Any ideas would be greatly appreciated!
AMD Phenom X4 965 BE C3 OC to 3.8GHz on air cooling.
Asus M4A88T-M/USB3
4 x 2GB Kingston DDR3-1333
2 x 1TB WD Caviar Blue SATA2 HD
1 x Pioneer DVD-DL Burner SATA
1 x Zotac GTX465 1GB GDDR5 Memory
The Cooler Master PSU calculator says my system pushes approximately 488W, and I am running a 500W PSU... so I want to upgrade with something that has much more wattage and greater efficiency. But I have a problem with my current case. Right now with this tiny case, and this large video card, I have only 1/4 inch space between the video card and the PSU (luckily the video card power connectors are on the side and not the back or it would never fit). So I have been looking at other Cooler Master PSU's like the GX 750W, because it's size is exactly the same as my current PSU. The dimensions are 5.9 x 5.5 x 3.4 inch (150 x 140 x 86 mm). Anything LONGER will not fit, period.
Also I must mention that I am an American living in China, and I cannot find any PSU locally over 500W... they think 750W is insane or something and have to order it. So I will likely be ordering this from the Chinese NewEgg. The Chinese NewEgg only carries 1 Antec and it is too large to fit. They carry most of the Cooler Masters and Coolmax brand. So keep this in mind with regard to any recommendations you may have for me. My brand selection is quite limited as is my size.
Now for the stupid question. Is it more important to have one large rail? Or 2,3, or 4 +12V rails. In all my years of building PCs, this is the first one that required me to ask this question because of the large power requirement of this particular video card. I never ran SLI or Crossfire systems, and up to now I never had anything over the 9800GT. So stability and rails have never entered my mind. I always just pick something 100-200 watts more than they system will draw.
My current PSU has 2 +12 rails, but the one I am considering has one large +12v rail (+3.3V@25A, +5V@25A, +12V@60A, -12V@0.5A, +5VSB@2.5A)
What is most important for the voltage stability and system performance? Raw wattage on one rail? Or wattage equally distributed on several rails? I do not plan on running more than one video card this board only supports one anyways.
Any ideas would be greatly appreciated!