Unverified80% confidenceCautionTime unknown
完全依赖云存储不建议：断网即失效、长期是持续付费、隐私上传云端有泄露风险；核心录像应选支持本地SD卡（≥128G）的机型，云端作为异地备份补充
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified云存储虽方便但需长期付费且依赖网络，断网即无录像；关键安防场景不应只依赖云存储，务必配本地TF卡或NVR双备份90% similarUnverified长期用云存储的隐性成本可能超过设备本身，若接受本地存储可优先选支持大容量SD卡+局域网直连回看的型号，避免被云服务持续绑定89% similarUnverified云端存储需长期订阅费且断网即失效，本地SD卡一次性投入但摄像头被盗即数据丢失，重要场所建议云端+本地双备份88% similarUnverified云存储便捷但需长期订阅费且画面上传云端有泄露风险，本地存储免费私密但SD卡易损坏/被盗且无异地容灾；两者不可兼得需按用途取舍87% similarUnverified云端存储方便远程回看但需持续付费且依赖厂商服务器不倒闭，本地存储免月费但录像仅存于家中、SD卡损坏即丢失，长期看护建议本地+云双备份87% similar
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