Format A

Format: "TT-WWHH-B"
Examples: ET-0405-U, ET-0405-R, GD-0405-U, GD-1218-U, etc.
Key:
- TT: Technology (GD=Intuos, XD=Intuos 2, ET=Graphire)
- WW: Approximate width of active area in inches
- HH: Approximate height of active area in inches
- B: Bus (U=USB, R=RS232)

Format B

Format: "MXT-WGR"
Examples: PTZ-430, CTT-460
Key:
- M: Market (M=???, C=Consumer, P=Professional)
- X: ??? Always "T"?
- T: Technology
  - Z=Intuos3
  - K=Intuos4
  - E=???
  - F=???
  - T=touch sensor
  - L=pen sensor
  - H=pen and touch sensor
- W: Approximate width of active area in inches
- G: Hardware generation
  - 3=Intuos3, Graphire3
  - 4=Intuos4, Graphire4
  - 5=Intuos5, 1st-gen Bamboo
  - 6=Intuos Pro, 2nd-gen Bamboo
  - 7=3rd-gen Bamboo
  - 8=Intuos
  - 9=2nd-gen Intuos
  - 10=3rd-gen Intuos
- R: Hardware revision (0=1st revision, 1=2nd revision, etc.)

Format: "DXT-SYZ"
Examples: DTH-2700, DTU-1141B
Key:
- D: Display tablet
- X: ??? Always "T"?
- T: Technology
  - Z=Intuos3
  - K=Intuos4
  - F=???
  - U=???
  - H=pen and touch sensor
- S: Approximate diagonal size of screen
- Y: ???
- Z: ???