Unverified80% confidenceTradeoffTime unknown
Thunderbolt 3/4扩展坞性能强但兼容性挑剔，价格高，仅在需要40Gbps带宽（如外接高速SSD、双4K屏、eGPU）时才值得，普通用户USB3.2 Gen1的扩展坞足够
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80%
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Unverified预算有限且仅需临时投屏/传数据时不建议买Thunderbolt 4扩展坞，其溢价主要为40Gbps带宽和菊花链，普通用户USB-C 3.2 Gen2扩展坞完全够用87% similarUnverifiedThunderbolt速度虽高于USB，但外置SSD在USB 3.2 Gen2(10Gbps/约1000MB/s)下已能满足绝大多数4K剪辑，Thunderbolt的溢价主要为RAID阵列和多设备菊花链，单盘用户USB更划算85% similarUnverifiedThunderbolt 3/4接口的PCIe带宽仅为x4（约32Gbps实际约22Gbps可用），会导致高端显卡损失10%-30%性能，故不建议为RTX4090/5090等旗舰卡配eGPU78% similar
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