Unverified85% confidenceDecision RuleTime unknown
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
1
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85%
Confidence
Medium-term (~90 days)
Relevance
-
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Unverified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83% 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82% 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81% similarUnverified电源额定功率应为整机满载功耗的1.5-2倍留余量：搭载RTX 4070级别显卡建议650W金牌，RTX 4080/4090建议850W-1000W金牌及以上80% similarUnverified游戏主机的电源功率应≥显卡TDP+CPU TDP+150W冗余，例如RTX 4070(200W)+i5-13600K(125W)建议配650W金牌电源，RTX 4080及以上建议850W79% similar
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