SCSI
IBM SCSI Adapters (Tribble, Spock, Patriot, Corvette, Corvette Turbo)
Other SCSI Adapters (Adaptec, FD, Mylex, etc.)
Fast/Wide RAID "Passplay" and Mylex DAC960M
Fast/Wide Streaming RAID (Cheetah, external port)

IBM
5.25" External Drive Adapter
ESDI / MFM
3363 Optical Disk Drive Adapter

ARCO (CMS)
AC-1070/75

Kingston
DataCard 16/32

Mountain
Mountain Mach-2 Tape Controller (Mach2 Compression)

Sigma Data
QED-68xx IDE card
QED-70 Riser for Model 70

Tape
6157 Streaming Tape Adapter