320GB硬盘， 为什么只显示298GB。。。。H elp!!!

各位大侠：
昨天买了一个外置硬盘， 是320GB。等联到PC上却只显示298GB。我应该去换吗？还是本来就这样。请电脑专家赐教。

所有跟帖： 

• 正常 -vtcc- ♂ (0 bytes) () 10/25/2007 postreply 13:22:59

• 298x1024x1024x1024 -vtcc- ♂ (22 bytes) () 10/25/2007 postreply 13:25:09

• in addition, an interest link -vtcc- ♂ (56 bytes) () 10/25/2007 postreply 13:35:17

• sorry, the content is here... -vtcc- ♂ (1339 bytes) () 10/25/2007 postreply 13:38:31

• Very good. I understand now. Thank you so much! -东岳独尊- ♂ (42 bytes) () 10/25/2007 postreply 14:53:38

• 回复：298x1024x1024x1024 -东岳独尊- ♂ (107 bytes) () 10/25/2007 postreply 14:47:59

• 打个例子，哦，不，举个比方 -燕赵悲歌- ♂ (207 bytes) () 10/25/2007 postreply 21:02:09

• 我倾向于硬盘生产者的说法 -燕赵悲歌- ♂ (92 bytes) () 10/25/2007 postreply 21:05:34

• You are really an expert. Thanks a lot!!! -东岳独尊- ♂ (0 bytes) () 10/26/2007 postreply 16:45:58