There are new connectors called 12VHPWR for power transmission according to ATX 3.0, which will probably be used for the first time in the Geforce RTX 4000 and Radeon RX 7000. The connections can transmit between 150 and 600 watts and are not compatible with the previous standard.
It seems that the details of the PCI Express 5.0/ATX 3.0 power sockets have been leaked: they can provide 150, 300, 450 and 600 watts. The material comes from Intel and should therefore be reliable. The plug does not change optically or mechanically, but depending on the configuration, the power supply supports different power levels. The data also shows how the desired service is requested. With ground on S1 and S2, for example, 375 watts and 600 watts are initially provided with the software configuration.
It is also confirmed here that the plugs are not compatible with the previous standards (6 and 8 pin). The 12VHPWR is wired differently and does not fit mechanically either, for example due to different pin spacing. This is to prevent misuse – adapters will be needed. The 12VHPWR has a 3mm pin-to-pin spacing, while previous 2×3 or 2×4 aux connectors have a 4.2mm spacing. The new connectors have 12 contacts for power transmission and an additional 4 contacts for signals. A maximum of 9.2 amps is allowed on each of the power transmission contacts and they are temperature protected.
At the moment, it is assumed that the introduction of the 12VHPWR will be accelerated by the new generations of GPUs: Geforce RTX 4000 and Radeon RX 7000. Of course, this has not been confirmed yet, but Nvidia had already used a different connector with the Founders. Edition and says that the postponed RTX 3090 Ti Founders Edition will be the first card to use 12VHPWR after ATX 3.0. Meanwhile, the energy supply providers are preparing the first products. If you want to upgrade or convert, you must take into account the change in your plans.
Source: Twitter (@momomo_us)
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