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Black 16-pin 12VHPWR connector splitting to four 8-pin PCIe plugs on braided cables

SMUGDESK

SMUGDESK PCIe 5.0 12VHPWR 16Pin to 4x8Pin GPU Power Adapter Cable 600W

SKU CH-CV9S-1ZDNV

Converts four PSU 8-pin outputs into a PCIe 5.0 12VHPWR 16-pin connector for RTX 3090 Ti, 4080 and 4090 cards, delivering 600 W through 16 AWG tinned copper

  • Delivers 600W to flagship RTX cards via PCIe 5.0 12VHPWR 16Pin connector
  • Heavy-duty 16AWG tinned copper wire ensures stable high-current power transfer
  • Reinforced alloy copper terminals resist overheating and poor contact under load
  • Converts four independent PSU 8Pin ports to a single 12VHPWR graphics interface
  • Plug-and-play compatibility with full-modular PSUs from major brands

PCIe 5.0 12VHPWR 16Pin Adapter Cable

This PCIe 5.0 12VHPWR 16Pin to 4x8Pin GPU power adapter cable converts four standard PCIE 8Pin power supply outputs into a single 12VHPWR graphics card connector. It is built for high-end NVIDIA RTX 3090Ti, RTX 4080 and RTX 4090 graphics cards used in gaming PCs and workstations. The cable uses 16AWG tinned copper wire and reinforced alloy copper terminals for reliable heavy-current transfer. Plug-and-play installation requires no software or drivers.

600W Continuous Power Capacity

The single specification that decides fit is the 600W continuous power rating delivered through the 12VHPWR interface. Each of the four 8Pin inputs must connect to an independent native PSU cable from a fully modular unit; daisy-chaining multiple GPU ports on one cable is prohibited. The adapter is compatible with fully modular power supplies from ASUS, EVGA, Seasonic, Super Flower, Gigabyte and Thermaltake. It is not compatible with non-modular or semi-modular power supplies.

Builders with Fully Modular PSUs

This suits builders pairing a fully modular PSU with an RTX 3090Ti, RTX 4080 or RTX 4090 that requires a 12VHPWR connection and who can route four separate PSU cables. It does not suit owners of non-modular or semi-modular power supplies. Buyers whose PSU lacks four independent PCIE 8Pin ports or who cannot avoid daisy-chained cables should look at alternative power solutions.

Highlights

  • Delivers 600W to flagship RTX cards via PCIe 5.0 12VHPWR 16Pin connector
  • Heavy-duty 16AWG tinned copper wire ensures stable high-current power transfer
  • Reinforced alloy copper terminals resist overheating and poor contact under load
  • Converts four independent PSU 8Pin ports to a single 12VHPWR graphics interface
  • Plug-and-play compatibility with full-modular PSUs from major brands

Specifications

No published specifications for this item yet.

Questions about this item

How much power can the 12VHPWR connector actually draw from four 8-pin cables?

The adapter is rated for 600W continuous output when each 8-pin input connects to an independent PSU cable.

Does the PCIe 5.0 12VHPWR 16-pin interface limit performance on an RTX 4090?

The connector follows the PCIe 5.0 12VHPWR standard and supplies up to 600W, matching the card's power specification.

What clearance does the 16-pin plug need behind the graphics card?

The 12+4-pin connector fits the native 12VHPWR socket on RTX 3090Ti, 4080 and 4090 cards without extra brackets.

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