Unverified75% confidenceDecision RuleTime unknown
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
1
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified云存储订阅便宜但长期支出累积，本地存储（SD卡/网关）免月费但断电断网风险，安防要求高建议本地+云双备份92% similarUnverified云存储订阅是长期隐性成本，很多AI功能和事件回放依赖付费云；预算有限或介意订阅费的，务必选支持SD卡本地存储且本地即可用移动侦测的型号90% similarUnverified云存储月租费长期累积成本高，优先选支持本地存储(microSD卡或家用主机)的机型；对隐私敏感者尤其应避免仅支持云端的产品90% similarUnverified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89% similarUnverified云存储越大越安心但需持续付费订阅，本地SD卡一次投入但存在被盗或损坏丢失风险，折中方案是选支持'本地SD卡+关键事件云备份'双存储的机型89% similar
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