Unverified88% confidenceDecision RuleTime unknown
搭载RTX 4070Ti以上级别显卡需选择原生12VHPWR(12V-2x6)接口且符合ATX 3.0规范的电源，可承受两倍瞬时功率尖峰，避免用转接线导致接口过热熔毁
1
Sources
88%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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Related Claims
UnverifiedRTX 40系及以上显卡建议选择原生12VHPWR/12V-2x6接口且支持ATX3.0/PCIe5.0规范的电源，可承受200%瞬时功率尖峰，避免转接线接触不良导致烧毁92% similarUnverified电源功率需按显卡留足余量：RTX 4070级别建议650W以上，4080/4090建议850W以上并选ATX 3.0/原生12VHPWR接口，避免转接线烧毁风险89% similarUnverified配高端显卡（RTX 4080/4090）不建议搭配额定功率＜850W的电源，且必须选80Plus金牌以上，杂牌电源可能导致12VHPWR接口烧毁或整机不稳定80% similarUnverified电源额定功率应为整机峰值功耗的1.3-1.5倍留余量，RTX 4070Ti/4080需650W-750W金牌电源，RTX 4090需850W-1000W并优先ATX3.0原生12VHPWR接口79% similarUnverified电源功率选择应按显卡TDP+150W预留，如RTX 4070Ti（285W）建议750W金牌电源，RTX 4080/4090建议850W-1000W，避免瞬时功耗触发OCP保护重启77% similar
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