The new Nvidia GeForce RTX 40 lineup includes some of the most power-hungry graphics cards on the market. Because of that, you may be wondering if you’ll need a new power supply in order to support the borderline monstrous capabilities of the RTX 4090.
The RTX 4090 has a TGP of 450W, the same as the RTX 3090 Ti, and calls for a minimum 850W PSU. The RTX 4080 16GB takes things down a few notches with a 320W TGP and a 750W power supply. Lastly, the RTX 4070 in disguise, also known as the RTX 4080 12GB, draws 285W and calls for a 700W PSU. Similarly, Nvidia doesn’t expect there to be any problems when it comes to 8-pin to PCIe Gen 5 16-pin adapter compatibility. As said by Nvidia on its FAQ page: “The adapter has active circuits inside that translate the 8-pin plug status to the correct sideband signals according to the PCIe Gen 5 spec.”
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Source: DigitalTrends - 🏆 95. / 65 Read more »