Petition to Require Removal of the 16-Pin “12VHPWR” Connector from Future Graphics Card & Power Supply Hardware Designs

To:
• The Board of Directors, PCI‑SIG (PCI Express Special Interest Group)
• The Board of Directors, NVIDIA Corporation & Advanced Micro Devices, Inc. (and all major GPU manufacturers)
• The consumer product safety regulators in the United States (e.g., Consumer Product Safety Commission / CPSC) and equivalent international bodies
• Major power supply unit (PSU) manufacturers and graphics card OEMs
• Consumer advocacy groups and PC hardware builders & modders

Subject: Removal and prohibition of the 16-pin “12VHPWR” connector standard in all future GPU and PSU hardware designs, and a mandated transition to safer, proven power-delivery methods.

 
Whereas:

1. The 16-pin “12VHPWR” connector (sometimes referred to as the Gen5/ATX 3.0 high-power GPU connector) was introduced to allow a single compact power plug capable of delivering up to ~600 W (or more) to a graphics card. 
2. Numerous documented incidents have occurred of the 16-pin connector or its associated adapters overheating, melting, or otherwise failing in real-world usage, including deformed plastic housings, burned pins, property damage claims, and a risk of fire, even when used by experienced builders.
3. The standards body and manufacturers themselves acknowledge safety concerns: for example, the PCI-SIG has reminded its members that they are responsible for assuring end-user safety, and that the original 12VHPWR implementation showed a “serious electrical and fire hazard” in alleged litigation. 
4. Independent testing and analysis suggest that the connector design suffers from low safety margin, poor load balancing across its power pins, vulnerability to cable bend stress, and high risk of mis-installation or incomplete insertion—factors which materially increase the probability of overheating and failure. OC3D+1
5. Consumers and system builders are required to adopt strict handling instructions—such as ensuring no bend within 35-40 mm of the plug, ensuring full insertion, and avoiding cable strain—which are impractical in many mass-market systems and inconsistent with mainstream user expectations.
6. The continued use or endorsement of the 16-pin connector standard carries a tangible risk of liability, damage to user hardware, property loss, potential injury or fire hazard, erosion of consumer trust, and may lead to increased warranty/recall events.
7. The alternative of using multiple standard 8-pin PCIe/ATX connectors (or other proven power delivery systems) is viable, established, and widely supported by PSUs and card vendors, and thus removal of the 16-pin standard would not impose undue disruption, given a transitional timeframe.

Therefore, we, the undersigned, respectfully petition as follows:

1. Immediate Cessation of Future Use

We call for the complete removal of the 16-pin 12VHPWR connector (and its variants or adapters) from all future GPU and PSU hardware designs sold to consumers. No new product should rely on this connector as the primary power interface for high-wattage graphics cards.

2. Mandatory Transition Program

We request that GPU manufacturers and PSU vendors introduce a publicly announced transition plan, with a timeline for phasing out the 16-pin connector, migrating to safer, fully tested power delivery methods (for example, dual standard 8-pin connectors, or a revised alternative with demonstrably higher safety margin and robustness).

3. Enhanced Safety Certification and Public Disclosure

We urge that any connector used for >400 W GPU power delivery must undergo independent third-party safety testing (including thermal stress, imbalance loading, partial-insertion tolerance, cable-bend tolerance, contact resistance testing, and long-term reliability under real-world usage). Results of these tests and known incident history must be publicly disclosed in clear form.

4. Recall and Consumer Compensation

We propose that an industry-wide review be undertaken to identify legacy hardware using the 16-pin standard that remains in active use, especially where third-party adapters or non-native cables are involved, and that manufacturers offer recall, upgrade, or replacement programs for units with known safety issues. For example, the recall of angled 12VHPWR adapters by CableMod demonstrates the precedent. Tom's Hardware+1

5. Regulatory Oversight and Standards Revision

We petition regulatory bodies and the PCI-SIG standard committee to revise the connector standard requirements to include robust safety margins, mandatory insertion verification mechanisms, temperature/overcurrent monitoring features, and clearly defined safe-bend radius instructions. The spec must not rely upon installer diligence alone as a safety mechanism.

6. User Education and Warranty Safeguards

We request that manufacturers include clear and visible warnings on product packaging and documentation for any hardware that uses the 16-pin connector, stating the correct installation procedure, the risks of improper seating or bending, and the user’s responsibility for proper cable routing. Additionally, warranty terms should not penalise users unfairly when failures stem from connector design limitations rather than user misuse.

 
Conclusion:

In light of the documented incidents, the apparent design and implementation shortcomings, and the demonstrable risk of damage, fire, and consumer harm, the continued blanket use of the 16-pin 12VHPWR connector standard is unjustifiable from a product-safety perspective. We believe that collective industry action—including phasing out the connector, introducing safer alternatives, publicly reporting on safety testing, and actively protecting consumers—is both necessary and urgent.