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Black 16AWG 12VHPWR extension cable, 17cm, male to female 16-pin connector

Vszerda

Vszerda ATX 3.0 PCIe 5.0 12VHPWR 16-pin extension cable 17cm

SKU CH-1KWR-AT78A

Male-to-female 12VHPWR extension adds 17 cm of reach for ATX 3.0 PCIe 5.0 graphics cards up to 600 W

  • ATX 3.0 PCIe 5.0 ready for modern GPUs
  • 12VHPWR 16-pin connector supplies up to 600W power
  • 17 cm length keeps cable routing tidy
  • 16 AWG conductors handle high current safely
  • Male-to-female extension fits RTX 3080 and 3090 Ti cards

12VHPWR extension for PCIe 5.0 graphics cards

This Vszerda cable extends the 12VHPWR connection between an ATX 3.0 power supply and a compatible graphics card. It uses a male-to-female layout with a 12-pin power section plus a 4-pin signal section. The 17 cm length suits compact routing inside a case.

600 W limit of the 12VHPWR standard

The connector is rated for up to 600 W of power delivery under the PCI-SIG 12VHPWR H+ specification. Builders pairing a high-draw GPU with a PSU that already has a native 12VHPWR output can use this extension without exceeding the interface limit. It does not add extra current capacity beyond the standard.

16 AWG wire gauge for current handling

The cable uses 16 AWG conductors to support the rated load across the 17 cm run. This gauge determines whether the extension can sustain the full 600 W without excessive voltage drop. Buyers needing a longer reach or a different wire gauge should look for an alternative cable.

Highlights

  • ATX 3.0 PCIe 5.0 ready for modern GPUs
  • 12VHPWR 16-pin connector supplies up to 600W power
  • 17 cm length keeps cable routing tidy
  • 16 AWG conductors handle high current safely
  • Male-to-female extension fits RTX 3080 and 3090 Ti cards

Specifications

No published specifications for this item yet.

Questions about this item

Which length and gauge version of the 12VHPWR extension should I pick for a tidy build?

The cable is 17 cm long and uses 16 AWG conductors, giving a short reach that keeps cable routing clean inside compact cases.

What does the 600 W rating mean when the cable is connected to a graphics card?

The 12VHPWR connector is specified for up to 600 W delivery, so it can fully supply RTX 40-series or RDNA 3 cards that draw the maximum allowed power.

How does the PCIe 5.0 12VHPWR interface limit power in practice?

The 12+4 pin H+ connector follows the ATX 3.0 PCIe 5.0 standard, capping power delivery at 600 W through the 12 power pins while the 4 signal pins handle sideband communication.

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