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ATX 3.0 PCIe 5.0 600W Triple 8 Pin to 12VHPWR 16 Pin Adapter Cable

SKU: TD447  |  Brand / Compatible with: MODDIY
$24.99 $29.99 SAVE $5.00
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Product Description

This adapter is made with 12 dedicated high-current wires connected to top-quality single-seam terminals, using standard and proper power wire crimping method. There is no soldering, no bridging, no splitting, no sharing, no double-seam.

NEW Premium Single-Sleeved Custom Tailor-Made ATX 3.0 PCIe 5.0 600W Triple 8 Pin to 12VHPWR 16 Pin Adapter Cable

Individually Sleeved Modular Cable, Built for the new ATX 3.0 PCIe 5.0 12V HPWR Mini 12+4 pin PSUs

All cables are 100% tailor-made, heatshrinkless, using high-current single-split 4-spring (leaf-spring) terminals, premium connectors, with True Sense Pin Implementation, and 100% tested prior to shipping.

Cable Type

  • Extension Adapter Cable (for converting regular PCIe power cables to the new 12VHPWR 16-pin port)

Connector

  • Triple 8 Pin PCIE from PCIe cables to 12VHPWR Mini 12+4 Pin (16 Pin)
    (suitable for any PCIe 5.0 GPUs with 12VHPWR 16-Pin port, e.g. RTX3090it/RTX4090)

Cable Length

  • 10cm to 100cm 

Cable Style

High-Density Single Sleeved
This is the most popular and elegant style with individual high-density sleeving over each wire with the best protection while maintaining the cable softness and flexibility.

  • Ultra-Soft Silicone Wire (no sleeving)
    This style gives you the most flexible cables in the world using premium ultra-soft silicone wires, most suitable for mini-PC, ITX, SFF builds with minimal spacing.
  • Ultra-Soft Embossed Wire (no sleeving)
    This new soft-textured embossed cable, meticulous like woven texture, enhances the aesthetic. It offers both advantages of the texture of sleeving, and the softness of silicone wire.
  • Premium Silver Wire (no sleeving)
    This style is the simplicity and elegant style using premium high-performance silver-plated wires with the best interference protection, most suitable for Audio Grade PC.

Cable Color

Cable Combs (optional)

PSU Model

  • Suitable for any PCIe 5.0 GPUs with 12VHPWR 16-Pin port, e.g. RTX3090/RTX4090

Alternative Product Names

  • MODDIY Premium 600W PCIe 8Pin to 12VHPWR Adapter Cable

Main Features

Why MODDIY?

Key Advantages MODDIY 12VHPWR Cables Other 12VHPWR Cables
5-Star Stellar Reputation
Trusted by Professionals
100% Satisfaction Guarantee
Custom Cable Length
Custom Cable Style
Custom Cable Color
Custom Comb Color
Custom Connector Color
New 12V-2X6 H++ Connector
True Sense Pin Implementation
Premium Aesthetic
Premium Branded Connectors
Premium 4-Spring Terminals
All PSU Brands and Models
Free Shipping Worldwide
Top-Tier Instant Support
Fast Turnaround Time 1 to 3 days 1 to 3 months
Warranty 2-Year Various

Keywords: 4090 adapter cable, 12vhpwr adapter cable, ATX 3.0 PCIe 5.0 600W Triple 8 Pin to 12VHPWR 16 Pin Adapter Cable
Write a Review

Product Reviews

  1. Andrew C

    quick and easy. we shall see when i receive the product and how good the quality is.

    06 Feb 2026

  2. alex m

    I have used MODDIY for PC parts for some time, Items have always functioned and delivered promptly. Components hard to find elsewhere are here. In this case I ordered right angle risers to meet certain PC mod requirements. Every item ordered met exactly the description and capabilities of the items as advertised. Overall very happy with everything.

    05 Feb 2026

  3. Alex P

    Make it fast. Make it groovy.

    05 Feb 2026

  4. Vadim K

    Great !

    04 Feb 2026

  5. Robert

    Easy to find what's needed. Recommended if you need any custom power cables for your Egpu setup. The customer service replies promptly and the cables are really high quality. Recommended with no doubts.

    04 Feb 2026

  6. A Reviewer

    Found a very specific cable that I couldn;t find anywhere else. Well done and thank you.

    04 Feb 2026

  7. Christopher Sean E

    it was a fun seeing all of the stuff you do have and best of all did love finding what I needed

    04 Feb 2026

  8. William W

    moddiy.com was perfect in what they offered. My only complaint is with the shipping company that held my order up for 10 days extra.

    04 Feb 2026

  9. Steven

    Easy to use thank you

    04 Feb 2026

  10. Mike P

    Really looking forward to my cables arriving to get them into my new ITX build. The shorter cables are going to safe so much space!

    03 Feb 2026

Previous | Showing reviews 11-14 of 14

  1. drsen57

    I have yet to try the cable itself yet, but the customer service was great enough that I thought I would leave a review already. Can't wait to get it!

    2022-10-29

  2. james-610

    Great to work with ModDIY's customer service, who answered my question promptly and they are going to make some custom PCI-E power adapters for us. If you don't see it on their website, then be sure to contact them at support@moddiy.com - they probably can make it for you!

    2022-10-29

  3. Bas

    These guys are so friendly and helpful. Had an answer within 10 min. They helped me choosing between all there’s products and they know there products very well

    2022-10-23

  4. Unknown

    This cable neatly replaces the triple 8-pin PCI-E cables connecting to a 12VHPWR adapter. Tidies up what was an ugly mess of cables at the bottom of my case.

    As others have said - took a couple of weeks to arrive from Hong Kong, but it was well worth the wait!

    2022-10-15

Previous | Showing reviews 11-14 of 14