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内置存储无法更换或扩容，一旦存储芯片损坏需整机送修，相比SD卡方案在数据救援上风险更高

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Unverified内置eMMC固定存储，无法扩展SD卡，存储空间用满后自动循环覆盖，不支持更换存储介质77% similar Unverified存放重要且唯一的数据不建议只靠单块移动固态盘，固态存储长期断电有数据衰减风险，冷备份应搭配机械硬盘或云存储做3-2-1备份75% similar Unverified重要数据存储必须选硬件RAID(独立RAID芯片)，软件RAID依赖主机CPU且换电脑/系统崩溃后阵列可能无法直接重组，硬件RAID换机箱同型号即可读回73% similar Unverified存储卡容量并非越大越好：单张256GB以上卡一旦损坏或丢失，数据损失巨大，专业拍摄建议用2-3张128GB分散风险73% similar Unverified重要数据存储不建议只依赖单个移动SSD做唯一备份：闪存长期断电不通电存在数据衰减风险，冷备份档案应配合机械硬盘或云存储形成多副本72% similar

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