Startech com hsb430satbk 4 drive tray less sata hot swap enclosure startech com hsb430satbk p this 4 bay sata mobile rack from startech com allows you to swap between 3 5in serial ata sata sata ii sata iii 6gbps hard drives in seconds p p a time saving storage solution this mobile rack offers four trayless sata hard drive bays allowing you to hot swap serial ata hard drives but avoiding the need to mount the drives to trays for deployment or unfasten them for replacement p p to m