PM981和PM981a的區別_可選

【PM981和PM981a的區別】PM981和PM981a的區別是：
1、寫入速度不同：PM981、為2300MB/S，PM981a為3000MB/S 。
2、高速緩存效率不同：PM981為64層堆疊NAND ， PM981a為96層堆疊NAND 。

3、可選容量不同：PM981有512G、1TB、2TB三種容量，PM981a有512G、1TB兩種容量。