Custom Design Wins and Applications < Back to: Home > Custom Projects > 1U Custom SCSI Drive Chassis 1U Custom SCSI Drive Chassis An aerospace company needed a 1U chassis to hold 2 removable SCSI drives or a mix of removable drives and tape drives. The chassis had to be 16 inches deep and 16.75 inches wide which precluded an off-the-shelf solution. Good cooling was required.