Unverified90% confidenceCautionTime unknown
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
1
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90%
Confidence
Long-term
Relevance
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Unverified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86% 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85% similarUnverified电源功率不能只看CPU+显卡额定功耗之和，需预留30%余量并选80PLUS铜牌以上；RTX40系高端卡瞬时功耗尖峰高，低质电源会触发保护关机83% 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82% similarUnverified电源额定功率应按显卡TDP的1.5-2倍预留：RTX 4060(115W)配550W金牌，RTX 4070Ti(285W)配750W，RTX 4080/4090配850-1000W，杂牌电源标注'峰值功率'而非'额定功率'时实际能力打6-7折81% similar
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