4tb硬盘是什么意思

1TB=1024GB=2^40字节。4tb硬盘的意思是存储容量为4096GB的硬盘。

最小的基本单位是Byte应该没多少人不知道吧，存储单位先按从小到大顺序：Byte、KB、MB、GB、TB、PB、EB、ZB、YB、DB、NB。

扩展资料

Byte = 8 Bit

1 KB = 1,024 Bytes　

1 MB = 1,024 KB = 1,048,576 Bytes　

1 GB = 1,024 MB = 1,048,576 KB = 1,073,741,824 Bytes

1 TB = 1,024 GB = 1,048,576 MB = 1,073,741,824 KB = 1,099,511,627,776 Bytes

1 PB = 1,024 TB = 1,048,576 GB =1,125,899,906,842,624 Bytes

1 EB = 1,024 PB = 1,048,576 TB = 1,152,921,504,606,846,976 Bytes

1 ZB = 1,024 EB = 1,180,591,620,717,411,303,424 Bytes

1 YB = 1,024 ZB = 1,208,925,819,614,629,174,706,176 Bytes

参考资料来源：百度百科-TB