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A month ago we hearing rumors of upcoming Nvidia Ampere RTX 30 series graphics cards use 12 pin power connector. This rumor almost conformed because recently, we got some photographs of 12 pin power connectors from Seasonic. We also get Nvidia 30 series GPU photograph to use 12 Pin power connector.
Recently Seasonic post in the Chinese media portal, Bilibili, and also posted via HXL @9550pro, the picture shows a box that contains the NVIDIA 12-pin PCIe Molex Micro-Fit 3.0 connector.
— HXL (@9550pro) August 23, 2020
The Molex connector is packaged within a cardboard box and contains the 1 x 12-Pin power connector adapter which makes use of two 8-pin connectors directly from the PSU.
The 2x 8-pin to 1x 12-pin power connector features a length of 750mm ( 75cm ) which should be enough for most high-end systems. Seasonic also mentions on the cardboard box – It is recommended to use a power supply rated 850w or higher with this cable.
Based on the looks of it, it seems like the higher-end NVIDIA ampere GeForce RTX 30 series GPUs might only feature a single 12-pin power connector considering it is drawing power from 2 x 8-pin connectors which should put the max power draw to around 300W (150 Watt per 8-pin connector). The PCIe interface itself delivers 75W of power to the GPU.
Seasonic also claims that it is currently only used for testing.
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The @aschilling was shared more pictures of the NVIDIA 12-pin power adapter. The name Micro-Fit does suit the power connector considering its smaller size compared to a standard 8-pin power connector. The 12-pin power connector also has different dimensions & sizes as comper to the standard 6-pin power connectors so don’t expect that you can plug in just two 6-pin plugs to your graphics card and call it a day rather than using the proper Micro-Fit connectors.
NVIDIA 12-Pin PCIe Molex Micro-Fit 3.0 (above) vs 2x 8-Pin (below) pic.twitter.com/khwfyDgdt6
— Andreas Schilling (@aschilling) August 23, 2020