Unverified85% confidenceTradeoffTime unknown
Thunderbolt 3/4读卡器(40Gbps)相比USB读卡器更贵，但仅在CFexpress这类超高速卡上有意义；纯SD卡用户(UHS-II上限约300MB/s)用USB 3.0读卡器已足够，无需为Thunderbolt付费
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
UnverifiedThunderbolt读卡器比同规格USB-C版本贵1倍以上，但对SD/microSD卡（最高约300MB/s）没有速度优势，只有读CFexpress时才能发挥Thunderbolt的40Gbps价值92% similarUnverifiedUSB4/Thunderbolt3硬盘盒理论带宽40Gbps，实际NVMe持续读写约2800-3000MB/s，受协议开销无法达到PCIe直连速度，但已远超USB3.2 Gen2的1000MB/s85% 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81% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/477294API
curl https://kongchang.com/api/v1/knowledge/claims/477294MCP
get_claim(id=477294)