Unverified88% confidenceDecision RuleTime unknown
只用SD卡（UHS-II，最高约300MB/s）的用户无需上Thunderbolt，一个支持UHS-II的USB-C（USB 3.2 Gen1/Gen2）读卡器即可跑满，避免为用不上的接口多花钱
1
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88%
Confidence
Long-term
Relevance
-
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UnverifiedThunderbolt读卡器速度快但成本高、需主机支持TB接口，且不向下无损兼容纯USB设备；仅拍SD卡照片的用户USB-C UHS-II读卡器已足够，无需为TB多花钱84% similarUnverified接口速度越快（Thunderbolt 4 40Gbps）价格越贵且发热更明显，若日常只用UHS-I的SD卡（≤104MB/s），选USB-A 3.0读卡器即可，无需为高速接口付费84% similarUnverified接口类型选择：USB-C（USB 3.2 Gen2, 10Gbps）足够跑满UHS-II SD卡（300MB/s）和普通CFast，只有CFexpress Type B需要Thunderbolt才不受限，为SD卡专门买Thunderbolt读卡器是浪费83% similarUnverifiedThunderbolt读卡器速度最快但价格高且需要电脑有雷电口，若相机只用UHS-I SD卡则完全没必要，一个USB-C的UHS-I读卡器就够用80% similarUnverified偶尔拷贝手机microSD或普通SD卡的轻度用户不建议买Thunderbolt高端读卡器，性能严重过剩，几十元的UHS-I读卡器即可满足80% similar
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