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速度等级为U1/Class10，仅能稳定支持1080P录制，需要2K/4K高码率行车记录仪的用户应选U3/V30及以上规格

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Related Claims

UnverifiedV30/U3速度等级满足主流1080P行车记录仪的写入要求，不会因卡速成为瓶颈85% similar Unverified监控卡认准速度等级C10 + U1（U1即写入10MB/s）即可满足1080P/2K持续录制，追求高帧率或4K可选U3；不必为监控盲目追求V30/V90等高端视频等级，这些主要面向连拍摄影和高码率视频拍摄85% similar Unverified监控专用卡速度等级选择U1（10MB/s）即可满足1080P录像，2K/4K摄像头建议U3或V30（30MB/s），无需盲目追求V60/V90（那是视频拍摄卡的规格，对监控是浪费）84% similar UnverifiedV90速度等级为SD卡最高视频等级，可稳定支持高码率4K乃至8K视频录制82% similar

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curl https://kongchang.com/api/v1/knowledge/claims/616284

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get_claim(id=616284)