Ultra Wide SCSI drives have a reputation for being the fastest. I don't think so. Comments Now don't email me that the test was unfair.
Test drives are hard to come by.
Disk cache was set to 512K to purposely nullify the effects of disk caching on results. Then I timed how long it took to duplicate the three 27MB docs on the same drive. Then I timed how long it took to duplicate it on the same drive. The ATTO disk benchmark was run using Express-Pro Tools 2.2 benchmark test with 8MB maximum file size and system disk cache disabled. Sustained Rate is displayed in the charts.