Gateway Fx6800
The supply of energy that I need to support dual video cards?
I have a Gateway FX6800-01 and PC game, but I'm planning to update the board NVIDIA GeForce GTS 250 cards. He has a source of 500W power it now, but I know that is not enough to support two video cards (only one needs at least one source of 475W power). Here are the specs of my PC: * Motherboard: Intel X58 * Processor: Intel i7-920@2.67 GHz X4 * Memory: 12 GB (DDR3) * Hard Drive: 750 GB @ 7200 rpm I'll be playing some heavy games on it, like Crysis at the highest possible settings, a resolution of 1920×1080, so I need to make sure the power supply can keep up. how many watts should be in the power supply to support this PC?
Not the watts .. It is how many amps on the +12 V rail, because that is where all these components draw more of its power. Here's the breakdown their power requirements: – The Core i7 920 is a 130-watt CPU according to your description of the product: http://www.newegg.com/Product/Product.aspx?Item=N82E16819115202 130 Watts / 12 Volts = 11 Amps. – The GTS 250 draws a maximum of 150 watts, according to nVidia: http://www.nvidia.com/object/product_geforce_gts_250_us.html (it On the under specification). 150 watts / 12 volts = 12.5 amps. Two of these cards would be 25 amps. – The rest of your system (1 HDD, 1 ODD, MOBO, RAM, fans) will pull another 5 amps. Add it all up, and your system pulls a maximum of 41 amps on a rail PSU 12 V, when everything is maximum at the same time (the rarely happens). Then check the PSU and see how many amps your +12 V rail can provide. If you can supply more than 41 amps, it should work. If not, I recommend This PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005 It has 52 amps on your +12 V rail and will run the setup with two GTS250s in SLI very well. This is already a generous headroom of 11 amps above the maximum 41 amps your configuration needs. Hope this helps.
Gateway FX6800 Desktop Computer
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