1. Apple 13" RGB Monitors, side by side, 1" foam all around.     2. 4 rack spaces w/ rails front and back, and small extra space below to accomodate odd rack increments. 3. 2 spaces for manuals or other items, carpeted inside. Also fits small Audix, Sony, or Fostex audio monitors. 4. Full depth pullout keyboard shelf, carpeted. 5. Large carpeted space, fits small mixer or other. Could also be foamed in to house larger CPU 6. CPU space, originally fit Macintosh Quadra 700 or Mac IIci. 7. 2 spaces for battery backup units or other items, carpeted inside. Originally fit APC Back-Ups 600 units 8. 4 rack spaces w/ rails front and back   9. full length/depth drawer, carpeted inside.