Floppy information is on System Components page.

CD Rom
CD Install (SCSI) 
  CD Rom Burning (work in progress) 

ARCO (CMS)
AC-1070/75

IBM
3117 High Speed Adapter
4869 External Diskette Drive (360K / 1.2MB)
5.25" External Drive Adapter
ESDI / MFM 
PCMCIA
127 / 230 MB MO
3363 Optical Disk Drive Adapter

Kingston 
DataCard 16/32 

Microtech
PCD-47B

Mountain 
Mountain Mach-2 Tape Controller (Mach2 Compression) 

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

IDE Pinouts 
XT/MCA/ATA IDE 

Tape 
6157 Streaming Tape
ITBU