NVIDIA tells board partners to collect GeForce RTX 4090 cards affected by melting 16-pin power adapter

Date:

NVIDIA Requests Board Partners to Collect and Ship Damaged RTX 4090 Cards to HQ

Igor’sLAB reports that NVIDIA has informed all AICs (Add-in-Card) partners to pick up the RTX 4090 affected by ‘fused’ 16-pin power connectors and ship it directly to headquarters.

NVIDIA is ramping up its response to the new power adapter issues. A story exploded earlier this week after many users reportedly had problems with RTX 4090 cards dying after 16-pin/PCIe Gen5/12VHPWR power connectors and adapters melted, in some cases destroying the cards in the process.

Of course, this doesn’t look good for NVIDIA, whose logo is on every 4x 8-pin to 16-pin power adapter that comes with the cards. The problem of overheating and, in some cases, the melting power connector seems to affect all board partners, so the problem had to be escalated within NVIDIA.

Igor Walllossek confirmed with people familiar with the matter that NVIDIA has requested that all affected cards be sent to headquarters for analysis. It’s not clear if this means NVIDIA HQ or AIC HQ, but it shouldn’t really matter as both parties are able to figure out the root cause of this problem.

nVIDIA notified all AIC this morning… Any damaged cards should be sent directly to HQ for failure analysis, this is the first time… Even a few years ago when 2080 Ti got a problem with Micron they did not this.

— Igor’sLAB

Igor believes that this problem is not caused by excessive bending of the power cable, nor is it due to exceeding the recommended usage cycles. The problem could be the power adapter itself, which is of poor quality.

NVIDIA 12VHPWR (PCIe Gen5 Adapter), Source: Igor’sLAB

The adapter is said to have incendiary design flaws. Wobbly contacts and unsafe solder may be the reason so many adapters see heat spikes. The biggest concern is NVIDIA’s proprietary power adapter, other brands may not be affected by the issue.

Why NVIDIA’s 12VHPWR Adapter Has Problems:

  • The problem is not the 12VHPWR connection as such, nor the repeated plugging in or out.
  • Standard compliant power cables from brand manufacturers are NOT affected by this so far.
  • The current trigger is NVIDIA’s own adapter to 4x 8-pin in the accessories, the inferior quality of which can lead to malfunctions and in some cases has already caused damage.
  • Splicing each of the four 14AWG wires on each of the 6 pins in the adapter’s 12VHPWR connector by soldering them to bridges that are too thin is dangerous because the ends of the wires can break off at the solder joint (e.g., or bent several times).
  • Bending or kinking the wires directly at the adapter connector puts too much pressure on the solder joints and bridges, causing them to break.
  • The inner bridge between the pins is too thin (resulting cross section) to compensate for the current on two or three instead of four connected 12V lines.
  • NVIDIA has already been notified in advance and the data and photos have also been provided by be quiet! directly to the R&D department.

NVIDIA has confirmed to The Verge that it is actively investigating the issue. The company already promised to replace the first reported card. Other users don’t need to worry about replacement, but it is recommended to pay more attention to the cards while gaming.

Source: Igor’sLAB (statement), Igor’sLAB (analysis)



The Valley Voice
The Valley Voicehttp://thevalleyvoice.org
Christopher Brito is a social media producer and trending writer for The Valley Voice, with a focus on sports and stories related to race and culture.

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