50000M*1000/1024*1000/1024*1000/1024=46566.129M 格式化后电脑实际显示大小:465.7 G
================================ 常用移动硬盘实际大小表:
80G ----- 74.5 G 100G ----- 93.1 G 120G ----- 111.7 G 160G ----- 149 G 320G ----- 298 G 250G ----- 232.8 G 500G ----- 465.7 G 1T = 931G 2T -------1862.64G