Stands for Small Computer System Interface.Stands for Integrated Drive Electronics.
Supports a maximum of 7 or 15 devices per channel.Supports a maximum of 2 devices per channel.
More expensive.Less expensive.
It can be more difficult as compared to IDE.It is a much easier product to set up than SCSI.
Faster than IDE.Slower than SCSI.
SCSI drives running at 10,000 RPM.IDE drives running at 7200 RPM.
Faster data transfer rate.Slower data transfer rate.
Requires an interface expansion card in most cases.Additional drives are needed no additional resources need to be taken.

By Arun

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