Unverified88% confidenceDecision RuleTime unknown
分辨率与存储成正比：2K(3MP)摄像头24小时录制约占用40-60GB/天，4K约120GB+/天，选64GB存储卡实际连续录制不足2天，长期录像应选支持NVR或云存储的机型
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88%
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Long-term
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Unverified分辨率与存储/带宽成正比：4K摄像头单日录像量约为1080P的4倍，长期连续录制需搭配大容量存储卡（≥256GB）或NVR，纯移动侦测录制场景2K已足够识别人脸细节89% similarUnverified存储容量估算公式：单路2K摄像头（400万像素）H.265编码约需30-40GB/天，4路7×24小时录像存30天需选4TB硬盘；8路需8TB起步87% similarUnverified分辨率越高越清晰但对存储和带宽压力越大：4K摄像头本地录像1天可占用60-100GB，需搭配256GB以上SD卡或付费云存储，普通家庭2K已足够辨认人脸87% similarUnverified硬盘容量估算：单路400万像素摄像头24小时录像日均约30-40GB，8路系统连续录30天需约8-10TB，建议NVR支持双盘位便于RAID冗余或扩容87% similarUnverified监控存储容量估算：单路1080P摄像头H.265编码约占12-20GB/天，4路7天全天录像需约500GB，配2TB硬盘可循环存储约3-4周87% similar
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