RTX 5090 Modder Claims to Have Solved Melting Power Connectors with Auxiliary 8-Pin Board
DallasGrave says the mod spread power across three cable sets and kept cable temperatures under 40 degrees Celsius during a 48-hour, 550-watt test.
- A Reddit user, DallasGrave, has developed a hardware mod for the Nvidia RTX 5090 GPU to address persistent power-related issues by distributing connector load across three cables instead of one.
- Grave argues the connector is "simply rated too high" and should never have been approved beyond 350 watts, a design flaw contributing to documented melting issues in the RTX line.
- The mod utilizes a pickup PCB soldered to the original header; testing at full load for 48 hours showed cable temperatures never climbed above 40 degrees Celsius, demonstrating effectiveness.
- Grave plans to offer a "relatively affordable" conversion service with full warranty; as a PNY partner, the modder intends to eventually sell modified cards directly to customers.
- While YouTube channel TecLab previously demonstrated a direct-to-PCB fix lacking aesthetic appeal, this solution is intended as a cleaner, universal option functioning across multiple GPU brands.
15 Articles
15 Articles
For years, 8-pin connectors were the life-long plug of graphics cards. Nvidia pushed them away in its most powerful models in favor of a single 16-pin connector, more compact, which has starred in not a few melted plastic photos. What if the old held up better than the ... Continue reading "Change the controversial 16-pin connector from a RTX 5090 by three of 8 and take it to 900 watts without burning"
RTX 5090 modder claims to have solved melting power connectors with auxiliary 8-pin board
Over on Reddit, user DallasGrave outlined the approach taken when developing the mod. In short, the fix utilizes a pickup PCB soldered to the contacts of the original 12VHPWR header that feeds an auxiliary dual eight-pin board. This effectively spreads the load across three sets of cables, which significantly reduces...Read Entire Article
Modder parallels RTX 5090 power connector with dual 8-pin auxiliary board, holds 40°C at 550W
An enthusiast modder has published a DIY solution for mitigating GeForce RTX 5090 power connector heat concerns, soldering an auxiliary power distribution board directly onto the card's 12V-2x6 PCB pads to split the load across two additional conventional 8-pin PCIe connectors, with testing reportedly showing cable ...
A modder shows an additional board for the Geforce RTX 5090, which connects a 12VHPWR connector via two 8-pin connectors and thus distributes the load.
NVIDIA GeForce RTX 5090 Gets Two 8-Pin Connectors Added to Its 16-Pin PCB Header and Testing Shows All Wires Staying Below 40°C Under Load
An individual has come up with their own solution for the melting 12VHPWR/12V-2×6 cable issue by adding two 8-pin connectors to the 16-pin header. Reddit user DallasGrave has modded their MSI GeForce RTX 5090 by adding a PCB with two 8-pin connectors, with its wires then soldered onto the same header as the card’s 16-pin […]
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