Unverified80% confidenceFactTime unknown
Lightning接口受协议限制,实际读写速度通常被压制在30-40MB/s左右,无论存储芯片本身多快,因此备份大量4K视频时Lightning款体验明显不如USB-C款
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80%
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Unverified苹果Lightning接口本身速率受限,即使内部为高速闪存,Lightning端读写实测多在30-40MB/s,USB-A端才能跑满盘的真实速度82% similarUnverified受Lightning接口带宽限制,实际传输速度远低于USB 3.0读卡器,大量大文件传输时等待时间较长80% similarUnverified拍摄RAW连拍或4K/8K视频且用CFexpress Type B卡时,必须选Thunderbolt 3/4读卡器,USB 3.2 Gen2(10Gbps)会成为瓶颈,无法跑满CFexpress卡1700MB/s以上的读取速度78% similarUnverified读写速度接近雷电3带宽上限,适合视频剪辑师直接在外置盘上剪辑4K/6K素材,但这一速度优势只有在雷电接口下才能体现78% similarUnverifiedCFexpress Type B卡的读取速度可达1700MB/s以上,只有Thunderbolt 3/4接口读卡器才能完全释放速度,USB 3.2 Gen2(10Gbps)接口会将速度瓶颈锁死在约1000MB/s76% similar
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