Cables are eliminated with a new GPU power connector, which delivers more than 600W

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 Official documentation for a new customized HPCE power connection standard designed to transmit more GPU power across the motherboard has been made available by @momomo_us on X (Twitter). The new connector's paperwork shows all of its important technical details, including its capacity to deliver more than 600W of power even more power than the current 12VHPWR connector offers.

The HPCE power connector functions very much like a PCI Express connector, according to the documentation. There are four groups of pins in total, including 12 pins for signaling or communication between the mainboard and the graphics card and 16 pins for power delivery. The size of the connector is comparable to a PCIe x1 connector.

The HPCE power connector, when installed on a motherboard, sits beneath the primary PCIe x16 slot, where the motherboard chipset heatsink typically goes. This makes the installation procedure simpler by enabling the graphics card to be inserted into both the x16 connector and HPCE connector. The x16 slot's built-in locking mechanism is sufficient to hold the graphics card in place, hence the official documentation advises against installing a locking mechanism on the HPCE connector itself.

It is claimed that this new connector can send more than 600W to the graphics card. Although there is no upper limit stated in the datasheet, it emphasizes the need to transmit more power than 600W in order to support future graphics cards. Although 600W is a lot of power, RTX 4090s of the current generation can already outperform that threshold with special firmware. Like the HoF cards, RTX 4090s made for LN2 overclocking are also capable of using more power than 600W, which is why they include two 12VHPWR power connectors.

The first time we noticed this connector was at Computex, where a number of prototype motherboards and graphics cards were displayed. By eliminating all extra power connections from the graphics card and supplying power directly from the motherboard, the new connector aims to enhance cable management and aesthetics. In this manner, wire management beneath the motherboard tray is much simpler and the graphics card seems incredibly tidy without any power lines getting in the way.

The fact that this new connector is not an original creation is an intriguing fact. Instead, it is a revision of the widely adopted High Power Card Edge (HPCE) standard for servers. Theoretically, this means that the new HPCE connector for consumers won't subject to similar




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