Unverified82% confidenceTradeoffTime unknown
容量越大单位存储成本越低但一旦损坏丢失数据越多,监控场景建议用128G左右单卡而非单张512G,兼顾回看天数与故障风险分散;重要监控更应搭配云存储或NVR做双备份
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82%
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Long-term
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