Most SCSI hard drives that adhere to 'AV' specifications will work with the VS-1680. Keep in mind, drives that do not meet 'AV' specs, though not recommended for recording and playback, are often still reliable for data storage. The
VS-1680 can format a compatible drive in either 1 GB or 2 GB partitions and can also access up to eight partitions. Therefore, up to 16 gigabyte drives can be fully utilized by the VS-1680.

Suggested specifications for external SCSI hard drives is as follows:

13 ms Access Time
No or Intelligent Recalibration
Active Termination
1:1 Interleave
Slip Sectoring
Macintosh Compatible