RTX 5090 Melting Worries: Can a DIY Dual 8-Pin Mod Actually…
分流改造为RTX 5090用户提供了一种降低线材过热风险的思路，但接头端隐患仍在，可能推动显卡厂商未来采用双供电接口设计。
分流改造为RTX 5090用户提供了一种降低线材过热风险的思路，但接头端隐患仍在，可能推动显卡厂商未来采用双供电接口设计。
Key points - Reddit用户DallasGrave为微星RTX 5090加装转接电路板，额外接入2组8 Pin PCIe供电。 - 改造后显卡供电变为12V-2x6加2组8 Pin的混合设计，用于分流负载。 - 以550W功耗连续运行48小时，所有导线与接头温度均低于40°C。 - 单一12V-2x6满载温度通常为50-60°C，负载失衡时可能超过100°C。 - 有网友质疑烧毁多发生在接头端，电流最终仍汇集于12V-2x6接头。
Timeline - n/a: Reddit用户DallasGrave分享对微星RTX 5090的供电改造方案。 - n/a: 该用户以550W功耗进行48小时长时间高负载测试。 - n/a: 测试结果显示所有导线与接头温度维持在40°C以下。
FAQ
Q: 这个改造真的能防止12V-2x6烧毁吗？ A: 能降低线材端过热风险，但接头端问题仍未完全解决，电流最终仍经过12V-2x6插头。
Q: 改造后温度能降到多少？ A: 据实测，550W满载48小时下所有导线与接头均低于40°C，远低于单一接口的50-60°C。
Q: 为什么RTX 5090特别容易出现烧毁问题？ A: 其瞬间最大负载已达12V-2x6的600W极限，功耗把接口逼到极限，负载不均时容易过热。
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