One of the largest selling dedicated servers is single hop servers. This dedicated server comes with a data transfer of 3000 GB and a hard drive space of 320 GB. The single hop server uses the RAM speed of 3 GB. One more reason for attaining greater speed of operation is the usage of quad core dedicated server . The rent for dedicated server is much higher than the shared servers. But still the dedicated servers are much preferred as it gives higher security. In the case of dedicated servers, maintaining the hardware and up gradation of the hardware are all carried out by the service providers.