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NVIDIA GeForce RTX 5090 Features 16+6+7 Phase Power Delivery on 14-Layer PCB

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Natural progression of the video card. 3090 was hot! 4090 hotter and 5090 is hottest(so far).
 
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PCIe 5.0 makes things even more complicated. Given the memory chip layout, some lanes probably run under the memory chips and/or other lanes. This is quite unfavourable because these wires require a specific geometry (distance to ground, to other lanes etc).
Well there is a good amount of layers on the PCB for that but I agree PCI Gen5 doesn't make it easy. Basically 90% of the IOs have a very high bandwidth, which is actually not so frequent.
 
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