If you host your websites on a dedicated hosting machine, you would expect that they'll perform extremely fast and that the access speed to them will depend entirely on the Internet connection of the website visitors. However, this won't be the case in case the server has poor network connectivity or employs a network card, which simply just can't cope with high volume of traffic. If this is the case, it will take a long time for your internet sites to load if a lot of people open them simultaneously or visitors could see error messages. Consequently you could lose customers as most probably many people will never revisit your site in the event that they have experienced problems or slow loading speeds. That is why you need to pay attention to the network components of any new hosting server you buy and not just to the main hardware like Processor, Random access memory or hard drive.