By Greg Schulz
Also, the ports can support more than one channel. In fact, some SATA adapters and controllers support multiple logical channels, sometimes referred to as "lanes" over a cable connector such as the molex iPASS cabling system. So, when looking at SATA as well as SAS components, it's important to understand whether you are dealing with physical ports or logical ports, as well as whether they are internal or external.
14 Mar 2007