We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black modular cable with dual 8-pin connectors merging into a single 16-pin 12VHPWR plug

SMUGDESK

SMUGDESK Dual ATX 8Pin to 12VHPWR 16Pin GPU Power Cable

SKU CH-PSKN-GX2V2

Dual ATX 8-pin to 12VHPWR 16-pin cable meets ATX 3.0 and PCIe 5.0 specs for RTX 3080 and 3090 graphics cards

  • ATX 3.0 and PCIe 5.0 compliant for stable high-power GPU delivery
  • Dual 8-pin input draws power from two PSU ports for RTX 3080 and 3090
  • Works with major modular PSUs for plug-and-play installation
  • Thickened wire gauge ensures safe, steady current to 16-pin connector
  • Optimised length enables clean cable routing in gaming PC builds

Dual 8-Pin to 12VHPWR Adapter

This cable converts two ATX 8-pin connectors from a modular power supply into a single 12VHPWR 16-pin (12+4P) plug. It targets builders upgrading to high-power graphics cards such as the RTX 3080 or RTX 3090TI without replacing their existing PSU. The design follows ATX 3.0 and PCIe 5.0 specifications for stable delivery.

Suits modular PSU owners needing 12VHPWR

Ideal for users with a modular power supply that lacks a native 12VHPWR output but provides two free 8-pin ports. Not suitable for systems running non-modular PSUs, units with only one 8-pin connector available, or graphics cards that retain legacy 8-pin power inputs instead of the 16-pin standard.

ATX 3.0 and PCIe 5.0 compliant wiring

The cable meets the 12VHPWR 16-pin specification defined by ATX 3.0 and PCIe 5.0, enabling the higher current levels required by modern RTX 3080 and 3090TI models. Thickened conductors reduce voltage drop, while the optimised length aids clean routing inside typical gaming or workstation chassis.

Highlights

  • ATX 3.0 and PCIe 5.0 compliant for stable high-power GPU delivery
  • Dual 8-pin input draws power from two PSU ports for RTX 3080 and 3090
  • Works with major modular PSUs for plug-and-play installation
  • Thickened wire gauge ensures safe, steady current to 16-pin connector
  • Optimised length enables clean cable routing in gaming PC builds

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the dual 8pin to 12VHPWR 16pin cable and which step is often missed?

Plug both 8pin connectors firmly into the modular PSU ports, then seat the 12+4P plug fully into the RTX graphics card until it clicks; the step most often missed is inserting the second 8pin, leaving the GPU underpowered.

What maintenance or replacement will this cable need over time?

No scheduled maintenance is required; inspect the connectors and wire insulation during routine PC cleaning and replace the cable only if you see damaged pins, melted plastic or frayed conductors.

What limit appears first when the cable runs under sustained load?

The 12VHPWR 16pin connector is rated for the ATX3.0 and PCIE 5.0 power envelope; the first practical limit is the dual 8pin PSU ports or the GPU's own power target, not the cable itself.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.