PM981和PM981a的区别有什么，PM981和PM981a的区别

PM981和PM981a的区别为：

1、写入速度不同：PM981、为2300MB/S，PM981a为3000MB/S；

2、高速缓存效率不同：PM981为64层堆叠NAND，PM981a为96层堆叠NAND；

3、可选容量不同：PM981有512G、1TB、2TB三种容量，PM981a有512G、1TB两种容量。