Unverified85% confidenceDecision RuleTime unknown
Pi 5高负载时CPU可达80℃以上触发降频，长期运行的项目必须配主动散热（风扇），仅贴散热片无法压制Pi 5的持续满载发热
1
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85%
Confidence
Long-term
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Unverified散热是5G CPE长期稳定运行的关键，长时间高负载下降频会导致速率下降和断流；金属机身或带主动散热的机型比纯塑料被动散热机型更适合7x24小时作为固定宽带使用75% similarUnverified供电相数与散热直接影响CPU持续性能：搭配i7/R7及以上不带核显的CPU，建议供电≥12+2相且带实心装甲散热片，否则高负载易触发降频73% similarUnverified散热方案与CPU发热匹配：i5/R5用双热管风冷即可，i7/R7建议6热管风冷或240水冷，i9/R9满载功耗高应上240/360水冷，风冷选购需确认机箱限高（多数塔式风冷高155-165mm）71% similarUnverified中端CPU（i5/R5、TDP≤125W）选240mm冷排即可满足散热，上360mm属于性能过剩，多花的钱换来的温差通常＜5度71% similarUnverified散热配置需匹配CPU功耗：i5/R5级别（65-125W）风冷即可；i7/R7以上或K系列（150W+）建议240水冷；i9/R9（250W+）需360水冷否则满载会撞温度墙降频70% similar
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