Unverified88% confidenceDecision RuleTime unknown
家用1-4路摄像头选2TB-4TB即可满足15-30天循环覆盖，无需盲目上6TB以上，多余容量在循环录像模式下被反复覆盖并不能延长实际保存天数
1
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88%
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Long-term
Relevance
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Unverified容量估算按经验公式：单路1080P摄像头H.265编码约2-4GB/天，4路摄像头存30天约需1-2TB，8路存30天建议4TB起，若开24小时不间断录制需在此基础上翻倍85% similarUnverified监控录像循环覆盖需要计算保留天数：8路1080P录满30天约需8-10TB，选盘位时预留RAID冗余后仍应满足此容量，4盘位配4块4TB(RAID5约12TB)可满足84% similarUnverified硬盘容量估算：单路4MP摄像头24小时录像约需0.3-0.5TB/月，4路7×24全天录像半年建议配4TB，开启移动侦测录像可节省50%-70%空间83% similarUnverified计算硬盘需求：单路400万像素摄像头24小时录制约占用25-35GB/天，8路满负荷录制需保留30天则需约7-8TB，建议直接上单盘8TB监控盘避免频繁覆盖82% similarUnverified硬盘录像存储估算：4MP摄像头H.265编码约占2-4GB/天/路，4路摄像头连续录像存30天约需1-2TB硬盘；纯移动侦测录像可减少50%以上占用82% similar
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