Unverified80% confidenceTradeoffTime unknown
读写速度约2800MB/s属于Thunderbolt 3移动SSD的主流水平,但相比同容量普通USB 3.2 PSSD价格高出数倍,预算有限且对速度要求不极端的用户性价比不高
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UnverifiedThunderbolt 3/4硬盘盒实际持续读写受限于协议协议开销,即便搭载PCIe 4.0 SSD也通常只能跑到2800-3000MB/s左右,无法发挥PCIe 4.0固态的7000MB/s极限性能85% similarUnverified移动SSD若走USB 3.2 Gen2(10Gbps)接口,实测读写可达1000MB/s;而USB 3.0(5Gbps)会成为瓶颈,SSD速度被压制到约450MB/s,买高速SSD必须搭配Gen2及以上主机接口77% similarUnverified标称USB 3.2 Gen2的便携SSD实测顺序读写约1000MB/s,Gen2x2可达2000MB/s,但需主机接口和线材同规格才能跑满;接口是USB3.2 Gen1(即3.0)时上限仅约450MB/s,买再快的SSD也被限速77% similarUnverified移动固态盘(SSD)读写速度500-1000MB/s甚至更高,机械盘(HDD)仅约100-130MB/s;频繁拷贝大文件、视频剪辑素材直读优先选SSD,纯冷备份存档选HDD更划算77% similarUnverified移动固态硬盘(PSSD)读写速度普遍在500-1050MB/s(USB 3.2 Gen2),传统2.5寸机械硬盘仅约120-150MB/s;频繁拷贝大文件(视频、素材库)必选PSSD76% similar
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