How is a Server Different From a Desktop?
Server Hardware

One of the best choices for a small business is a dedicated server built from the ground up as a file server to provide features and expansion options that a desktop computer lacks. Some server hardware decisions you will need to make include the following:
1. Form Factor: For small businesses, the best choice is a dedicated entry-level server in a tower configuration.
2. Processor: Choose a server-specific processor to boost performance and data throughput.
3. Memory: Buy as much memory as you can afford and look for expansion slots for future upgrades.
4. Storage: Look for SATA or SCSI hard disks, not IDE.

