하드디스크 플레터가 두 장이면 같은 rpm이라도 읽기 속도가 빠르겠죠?

Default Widget

This is Sidebar 1. You can edit the content that appears here by visiting your Widgets panel and modifying the current widgets in Sidebar 1. Or, if you want to be a true ninja, you can add your own content to this sidebar by using the appropriate hooks.