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SMUGDESK

SMUGDESK 2 x 8Pin to 16Pin 12VHPWR Power Splitter Cord

SKU CH-0NV5-665X6

Converts dual PCIe 8-pin PSU cables into a single 12VHPWR 16-pin connector for RTX 3090, 4070, 4080 and 4090 graphics cards

  • Supplies high current to RTX 3090 4070 4080 4090 cards
  • Converts two PSU 8pin ports into one 16pin 12VHPWR connector
  • Thick tinned copper wires minimise voltage drop under heavy load
  • Reinforced strain relief housing protects fragile 12VHPWR interface from bending
  • Latching locking tabs secure both ends preventing loose connections and shutdowns

Power Splitter for RTX 4090 and 4080

This SMUGDESK cord converts two PCIe 8-pin outputs from a power supply into a single 12VHPWR 16-pin connector. It is built for owners of RTX 3090Ti, 4070Ti, 4080 and 4090 graphics cards who need a direct, high-current link without the small plastic adapter brick. Heavy-duty tinned copper conductors and a heat-resistant jacket reduce voltage drop under sustained full-load operation. The reinforced strain-relief housing on the 16-pin end lowers mechanical stress that can damage the fragile native interface.

Replaces the Bundled Adapter Dongle

The factory-supplied adapter often forces sharp bends and adds an extra junction that can melt under heavy draw. This splitter removes that weak point by running a single continuous cable from the PSU rails to the GPU. The upgrade is worth it when the stock dongle does not reach cleanly, when cable routing is tight, or when a builder wants a more secure latching connection on both 8-pin and 16-pin ends. Each 8-pin plug must attach to a separate native PSU rail for correct current balance.

Build Integration for High-End GPUs

The cord fits ATX, mid-tower and large gaming cases and simplifies internal routing by eliminating the adapter brick entirely. Locking tabs on both connector types prevent accidental dislodging during transport or vibration. It frees up space around the graphics card power inlet and reduces clutter from the extra pigtail wires of the original adapter. Users must ensure their power supply provides two independent PCIe 8-pin cables rather than a single daisy-chained lead.

Highlights

  • Supplies high current to RTX 3090 4070 4080 4090 cards
  • Converts two PSU 8pin ports into one 16pin 12VHPWR connector
  • Thick tinned copper wires minimise voltage drop under heavy load
  • Reinforced strain relief housing protects fragile 12VHPWR interface from bending
  • Latching locking tabs secure both ends preventing loose connections and shutdowns

Specifications

No published specifications for this item yet.

Questions about this item

What PSU connectors does the 2 x 8Pin to 16Pin 12VHPWR splitter require?

It needs two separate native PCIe 8‑pin power rails from the power supply unit.

Which step during installation is most often missed with this 12VHPWR cable?

Connecting each 8‑pin plug to its own PSU rail instead of a daisy‑chained lead.

What part of the 16‑pin 12VHPWR connector should be checked periodically?

The reinforced strain‑relief housing and latching tabs for secure seating.

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