When a GPU manufacture recommends 450W minimum it's not the GPU take that much, but it's recommended for a computer running it.
They do take a typical CPU for the GPU's pricerange and RAM, motherboard and harddrive into a count.
Even though all of it together properly wont pass 300W at load, doesn't mean that you just need a 350W PSU.
You see a PSU runs best below 80%. The more % of it's total capability it uses, the less efficient it gets.
So if your computer at load uses 300W i'll recommend at least a 500W bronze validated PSU. Or a 400W gold validated PSU.
I don't think his system will pass 250. so the PSU Craig suggested should do the trick.
They do take a typical CPU for the GPU's pricerange and RAM, motherboard and harddrive into a count.
Even though all of it together properly wont pass 300W at load, doesn't mean that you just need a 350W PSU.
You see a PSU runs best below 80%. The more % of it's total capability it uses, the less efficient it gets.
So if your computer at load uses 300W i'll recommend at least a 500W bronze validated PSU. Or a 400W gold validated PSU.
I don't think his system will pass 250. so the PSU Craig suggested should do the trick.
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