How much power supply would I need to run a 8800gts?
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System Requirements Minimum of a 400 Watt power supply.
(Minimum recommended power supply with +12 Volt current rating of 26 Amps.)
So if you have a mini-ATX system, it is doubtful that you have anything more than 300Watts. It will be difficult to find a power supply for mini-ATX that will work for you. If you have a FULL ATX case, that uses a standard power supply, might I suggest that you look for a 500Watt power supply.
Be aware that some motherboards use the 20 pin connector and others use the 24 pin connector. If you get a power supply with 24 pins, be sure that it can be split at the 20 pin section.
Good luck and Happy Computing!
1.15 gigawatts
1000 watts becuase it takes a lot of power. it also depends on the rest of your setup: CPU, Ram, HD, etc.
400 Watt is recommended by NVidia but I recommend a 500 Watt or better. Good Luck HTH
450w a least.500 will be good 550-600 better...
it really all depends on what else you have hooked up to the psu that drawing power.you have to look at the whole pc.
they are marked with power requirements. I run 2 8800gts ko acs3 cards with an 850w but i believe for a single you can get away with a
System Requirements
* - Minimum of a 400 Watt power supply.
(Minimum recommended power supply with +12 Volt current rating of 26 Amp Amps
please dont forget that... more peripherals you have the more power supply you will require. Antec has a very nice case out that comes with a dual psu design, one psu for the cpu ect, the other for the board/cards ect.
i run an 8800GTS with a 500w PSU. i have an ATX mid case (antec 900) which has 6 fans. i have plenty of power.
ps. i recommend a good amount of cooling for this beast, it gets pretty hot.
Most, if not all, 8800GTS' have a separate 6 pin power connector so your first order of business would be to buy a PSU that has this connector. After that, the wattage of the PSU you need would depend on what else you plan to run in the computer. The graphics card alone uses about 160w idle and 250w under load. On top of that you'll need 15-30 watts for each hard drive, 15 watts per gig of memory, 50-100 watts for the motherboard, 50-125 watts for the cpu, 20--30 watts for any optical drives, 3 watts for each case fan, about 10 watts for any pci card (sound card, wireless adapters, etc.), and minimal wattage for any USB devices you plan to attach. If your speakers aren't powered they'll draw a little too.
The other thing to remember when buying a PSU for this GPU is that it will require 26 amps on the 12v rail. Check the specs to make sure the 12v rail has at least 26amps, or if it has dual or more 12v rails, that they add up to at least 26 amps.
The vendors recommend a minimum PSU rated at 400w but if your running multiple hard drives and optical devices, and or a high performance mobo, I'd get at least a 600w PSU.
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