In all, SCSI hard disks are always more superior to IDE due to their external controller design. IDE drives place the controller module on to the actual drive, resulting in cheaper HDD's and cheaper motherboards, as no special controller chips are needed. Just a simple bus master controller. SCSI, on the other hand, uses a separate controller chip that is either embedded into motherboards or placed onto SCSI controller cards.
When testing the Cheetah, I noticed that the drive was not only heavy but hit a whopping 56 degrees Celcius. This is why they state the need to have cooling for these 10K RPM drives. While being heavy and hot, it was the quietest drive that I have ever had the pleasure of using. I could not hear the drive above my system fan on the P4; and that is saying a bit.
When all is said and done, SCSI HDD's aren't really for the average users. While fast, they cost nearly 2x more than a IDE HDD of the same size and run a lot hotter, requiring case cooling for the drive. Not all cases have cooling bays on the 3.5" drives.
Cheap for entry level server drive
Rather expensive for the average user
Runs very hot.
Rating - 8/10
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