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大容量SSD固态硬盘要不要分区,分区和不分区性能影响对比!

更新时间:2026-08-22 23:31:52 | 编辑:桑稚 | 信息来源:互联网

现在的固态硬盘越来越大,平民能使用的SSD也到达了TB级别,之前步编建议大家小容量的如128G,256G不分区也是可以!那么如果是1000G的固态硬盘呢?要不要分区,分区对硬盘性能有没有影响?可以分区的话又分为多少比较好,下面小编带来实际的评测看看,这样就最清楚不过了。
 

测试目标:1TB的M.2 SSD

我们用一块1TB的M.2 SSD来进行测试,它采用PCIe ×4通道,官方标称读写速度为2100MB/s和1600MB/s。下面咱们先看看不分区的表现。


 

嗯,基本上是中规中矩,和官方标称差不多,4K写入速度比读取还快,说明它有效率很高的缓存,很可能是独立的内存颗粒。下面咱们把它分成两个同样大小的分区来试试。

两个500GB的分区表现类似,在持续读写的理论速度上差别很小,4K读写还有些超出,这是因为每个分区后读写测试只涉及一半的容量,但缓存大小没变,所以高速缓存适合的小文件读写上,性能还是一样甚至有点超出。

所以我们从上面可以看到,分区后对大体积的文件读写还是有一定的影响的,但是影响没有很大,所以大容量的固态硬盘是可以分区的,毕竟管理起来方便,但是没有必要分很多区,分区越多硬盘性能影响越大。


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