Which is used to connect a SATA hard disk, which is a serial connection all advantages which are energy-saving and space-saving design and cooling within the case.
Which is used to connect a SATA hard drive, a serial connection. Which are both energy-efficient and space-saving advantages. Moreover, the heat inside the case, too.
Which is used in connection SATA hard disk, which is connected in series. Which has advantages of both energy saving and space saving. It also makes the heat inside the case well.