Unverified85% confidenceDecision RuleTime unknown
SATA SSD已无升级价值——速度上限550MB/s且逐渐停产，除非老平台无M.2接口，否则新装机一律选NVMe M.2
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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UnverifiedSATA SSD老电脑升级方案：确认无M.2口→买2.5寸TLC SSD(系统盘512GB)→用硬盘盒/迁移软件克隆原HDD系统→装机后开AHCI模式并开启TRIM，即可获得接近NVMe的开机与响应体验82% similarUnverified老电脑或作为大容量冷存储升级，SATA SSD(约550MB/s)相比NVMe性价比更高且兼容性广；只有系统盘或专业负载才需NVMe，纯存仓无需为NVMe溢价78% similarUnverified老平台或无M.2插槽的旧主机升级才选SATA SSD；若主板有M.2 NVMe插槽，同价位应直接买NVMe硬盘，性能翻数倍而价格差距已很小78% similarUnverifiedM.2 NVMe硬盘盒不兼容M.2 SATA固态，选购前需确认自己的SSD协议；多数TB硬盘盒仅支持2280长度，2242/2260规格需查看是否附带定位螺柱73% similarUnverifiedSATA接口理论带宽为6Gbps，实际持续读写被锁死在约550MB/s，无论主控和颗粒多好都突破不了这个上限，追求更高速度必须换NVMe协议72% similar
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