Leading PSU manufacturer Seasonic is shipping a modular cable that confirms NVIDIA's proprietary 12-pin graphics card power connector for its upcoming GeForce "Ampere" graphics cards. Back in July we did an
in-depth analysis of the connector, backed by confirmation from various industry sources about the connector being real, being a proprietary design by NVIDIA (and not a PCI-SIG or ATX standard), and its possible power output limit being 600 W. Seasonic's adapter converts two versatile 12 V 8-pin PSU-side connectors into one 12-pin connector, which tends to back the power output information. On typical Seasonic modular PSUs, cables are included to convert one PSU-side 8-pin 12 V connector into two 6+2 pin PCIe power connectors along a single cable. HardwareLuxxx.de
reports that it's already received the Seasonic adapter in preparation for its "Ampere" Founders Edition reviews.
NVIDIA leaker with an extremely high hit-rate, kopite7kimi, however
predicts that the 12-pin connector was designed by NVIDIA exclusively for its Founders Edition (reference design) graphics cards, and that custom-design cards may stick to industry-standard PCIe power connectors. We recently spied a
custom-design RTX 3090 PCB, and it's shown featuring three 8-pin PCIe power connectors. This seems to be additional proof that a single 12-pin connector is a really fat straw for 12 V juice. The label on the box for the Seasonic cable reads that it's recommended to use the cable with PSUs with at least 850 W output (which could very well be a system requirement for the RTX 3090). Earlier this weekend, pictures of the RTX 3090 Founders Edition surfaced, and
it is huge.