The I Class printer is available in three models, I-4208, I-4308, and I-4210. The I-4208 has a print speed of 8" per/sec, 203 dpi and 1MB Flash & 8MB of SDRAM memory. The I-4308 has a print speed of 8" per/sec, 300dpi and 2MB of Flash & 16MB of SDRAM memory. The I-4210 has a print speed of 10" per/sec, 203dpi and 2MB Flash & 16MB of SDRAM memory. Features for all models include 4" print width, large print roll capacity, optional thermal transfer, heavy duty metal cabinet with side window and various communication interfaces. Options include peel & present, internal rewind, I/O expansion card and much more.