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March 3, 2022 10:13 am GMT
The 12VHPWR connector has 12 electrical pins and 4 side-band pins, for a total of 16 pins. The side-band pins enable low-fi communication between the power-supply and the graphics card, and two of these pins, labeled "SENSE0" and "SENSE1," let the graphics card know what kind of connector is plugged in, so it can accordingly adjust its power-management. There are four variants of the 16-pin connector based on the electrical capability offered by the PSU. These include 600 W, 450 W, 300 W, and 150 W. The arrangement of the two SENSE pins is how the graphics card tells the four apart.
Original Link: https://www.techpowerup.com/292563/intel-atx-3-0-16-pin-power-connector-for-pcie-gen5-is-smart-has-four-power-delivery-variants
Intel ATX 3.0 16-pin Power Connector for PCIe Gen5 is Smart, Has Four Power-Delivery Variants
Intel is reforming the ATX specification in a big way with ATX 3.0, and power supplies shipping with new 16-pin power connectors for the next generation PCI-Express Gen 5 graphics cards. The 16-pin 12VHPWR (12-Volt High Power). The need for a new connector standard is arising from the growing power demand from graphics cards, as contemporary high-end GPUs crossing the 375 W barrier (two 8-pin PCIe inputs), and some of today's high-end cards even shipping with typical board power values of 450 W at stock frequencies. Custom-design cards based on these GPUs create cable-spaghetti in your case, as they come with three or more 8-pin connectors. To solve these problems and more, Intel innovated the 12VHPWR.The 12VHPWR connector has 12 electrical pins and 4 side-band pins, for a total of 16 pins. The side-band pins enable low-fi communication between the power-supply and the graphics card, and two of these pins, labeled "SENSE0" and "SENSE1," let the graphics card know what kind of connector is plugged in, so it can accordingly adjust its power-management. There are four variants of the 16-pin connector based on the electrical capability offered by the PSU. These include 600 W, 450 W, 300 W, and 150 W. The arrangement of the two SENSE pins is how the graphics card tells the four apart.
Original Link: https://www.techpowerup.com/292563/intel-atx-3-0-16-pin-power-connector-for-pcie-gen5-is-smart-has-four-power-delivery-variants
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