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Black 180-degree 16-pin 12VHPWR angled adapter with CNC aluminum shell

RIITOP

RIITOP 12VHPWR 180° Angled Adapter 16-Pin 600W Type B

SKU CH-Z5B5-EHQ8A

180-degree angled 16-pin 12VHPWR adapter rated for 600 W with a 7 mm low-profile aluminium shell for tight chassis clearance

  • ColorBlack

Style 180 Degree - Stype B

  • 180° angled connector reduces cable strain and protects the GPU power port
  • CNC aluminium shell dissipates heat while supporting up to 600 W power delivery
  • Low 7 mm profile adds clearance for wide cards in narrow cases
  • ATX 3.0 PCIe 5.0 12+4 pin design fits RTX 3090 Ti, 4070 Ti, 4080, 4090 Type B GPUs
  • Works with existing power cables so no new PSU leads are required

What this adapter does

This is a 12VHPWR 180-degree angled adapter with a 16-pin 12+4 connector built to the ATX 3.0 and PCIe 5.0 specifications. It is rated for up to 600W and uses a CNC-machined aluminium shell for heat dissipation. The right-angle design lets the cable exit parallel to the card, reducing strain on the port and adding clearance between the GPU and the side panel.

Who it suits and who it does not

It suits builders fitting a GeForce RTX 3090 Ti, 4070 Ti, 4080 or 4090 that uses the Type B connector orientation and needs a low-profile power entry. It is not for cards whose backplate extends more than 3 mm beyond the power port, nor for GPUs that require the alternative Type A orientation or a straight connector.

What to verify before ordering

Confirm your graphics card uses the Type B 12VHPWR orientation by comparing the port layout with the product images. Measure the backplate overhang at the connector; if it exceeds 3 mm the adapter will not fit. Ensure your power supply provides a native 12VHPWR cable or a compatible 12+4 pin source rated for the card's power draw.

Highlights

  • 180° angled connector reduces cable strain and protects the GPU power port
  • CNC aluminium shell dissipates heat while supporting up to 600 W power delivery
  • Low 7 mm profile adds clearance for wide cards in narrow cases
  • ATX 3.0 PCIe 5.0 12+4 pin design fits RTX 3090 Ti, 4070 Ti, 4080, 4090 Type B GPUs
  • Works with existing power cables so no new PSU leads are required

Specifications

ColorBlack

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Questions about this item

What power supply connector must I already have to plug this 12VHPWR adapter into my GPU?

Your power supply must provide a native 12VHPWR 16-pin cable or a PCIe 5.0 12+4 pin output that matches the ATX 3.0 specification for 600 W delivery.

Will the 180-degree Type B orientation clear the backplate on my RTX 4080 if the backplate extends 2 mm past the port?

Yes — the adapter protrudes only 7 mm and is compatible as long as the backplate does not exceed the port by more than 3 mm.

How can I confirm the adapter is seated correctly and delivering full power after installation?

The 12+4 pins should click firmly into the GPU socket with no visible gap, the aluminum shell should sit flush, and the system should boot and run a 600 W load without throttling or connector heat warnings.

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