Celsius R630: This is the model name of the tower system.
Tower System: This indicates the form factor of the system, which is designed to be housed in a tower case.
Dual 2.8GHz: This specifies the processor configuration of the system. It includes two processors, each running at a clock speed of 2.8 gigahertz. This suggests that the system utilizes dual-core processors or possibly dual-socket configuration.
2GB RAM: This indicates the amount of random-access memory (RAM) installed in the system. In this case, the system has 2 gigabytes of RAM.
RoHS: This stands for Restriction of Hazardous Substances. It indicates that the tower system complies with environmental regulations restricting the use of certain hazardous materials in electronic products.